124-694: The Henry Holland Buckman Bridge carries I-295 West Beltway traffic over the St. Johns River in Jacksonville, Florida . It was named for Henry Holland Buckman , a prominent legislator and attorney who was instrumental in establishing the Florida state road system. Before the opening of the bridge (1970), road travel across the St. Johns River from Orange Park to Mandarin was longer and more complex. One route involved driving north to downtown Jacksonville, crossing
248-646: A beltway around central Jacksonville, Florida , United States. The 61.04-mile-long (98.23 km) beltway consists of two segments, the West Beltway (formerly signed as simply I-295) and the East Beltway (formerly signed as State Road 9A [ SR 9A ]), with I-95 serving as the dividing line between the two. The entire highway carries a hidden designation as SR 9A by the Florida Department of Transportation (FDOT). The West Beltway
372-433: A humid subtropical zone. In summer months, the temperature ranges from 74 and 92 °F (23 and 33 °C), and between 50 and 72 °F (10 and 22 °C) in the winter, although drops may occur in winter months to below freezing approximately a dozen times. Water temperatures in the river correlate to the air temperatures. The average range of water temperatures is between 50 and 95 °F (10 and 35 °C), rising in
496-710: A 0.5 miles (0.80 km) of either end of the bridge, rush-hour backups are typical. Downtown Jacksonville and Naval Air Station Jacksonville are visible from the bridge to the north. On a clear day, the Seminole Electric power plant in Palatka can be seen to the south of the bridge. While rarely closed for weather, two situations have made shutdown necessary: Tropical Storm Fay and prolonged freezing conditions. During tropical storms or hurricanes, sustained winds of over 40 miles per hour (64 km/h) are considered hazardous and warrant closure. On December 23, 1989
620-468: A 46,000-acre (190 km ) basin spreading across Putnam , Lake, and Marion Counties , and the western part of Volusia County. Slightly north of the Wekiva River is Blue Spring, the largest spring on the St. Johns, producing over 64,000,000 US gallons (240,000,000 L) a day. Florida springs stay at an even temperature of 72 °F (22 °C) throughout the year. Because of this, Blue Spring
744-556: A St. Johns tributary, where sport fishers concentrate on king mackerel ( Scomberomorus cavalla ), cobia ( Rachycentron canadum ), dolphin ( Coryphaena hippurus ) and Wahoo ( Acanthocybium solandri ). The home stadium for the Jacksonville Jaguars faces the river, as does most of the commercial center of downtown. Seven bridges span the St. Johns at Jacksonville; all of them allow tall ships to pass, although some restrict passing times when train or automobile traffic
868-746: A chain of lakes, the largest of which is Lake Apopka in Lake County, and the Green Swamp near Haines City in Polk County , drained by the Palatlakaha River . The Silver River, fed by one of Florida's most productive springs expelling 54,000,000 US gallons (200,000,000 L) daily, is located about midway along the 96-mile (154 km) Ocklawaha. Confederate Captain John William Pearson named his militia after
992-415: A chemical spill in 1980 that dumped DDE in it. It has experienced chronic algal blooms caused by citrus farm fertilizer and wastewater runoff from nearby farms. The proliferation of largemouth bass ( Micropterus salmoides ), black crappie ( Pomoxis nigromaculatus ), and bluegill ( Lepomis macrochirus ) in central Florida is a major attraction for fishermen from all over the country. The St. Johns
1116-581: A concrete block landed on the hood of his moving car, causing it to crash; his body was not identified for several weeks. Another motorist, Debra Lewis, received a bullet wound to the face, and several other injuries occurred. The incidents spurred Governor Lawton Chiles to dispatch the Florida National Guard to patrol the roadway and the American Automobile Association (AAA) to issue a rare travel warning for
1240-583: A connector road in St. Johns County began on September 8, 2015, and completed on August 8, 2018. I-795 signage along the route has yet to occur. In 1992, a series of sniper shootings and concrete block- and brick-throwing attacks occurred on the West Beltway. Of the 36 confirmed attacks, "5 [were] shootings from moving vehicles, 15 shootings from overpasses or the side of the road, 15 cases in which concrete, bricks or rocks were thrown at vehicles and 1 instance in which shooting and concrete-throwing were combined". At least one motorist, William Klinedinst, died after
1364-462: A day into the St. Johns. Near this confluence are the towns of DeBary and Deltona . Forests surrounding the Wekiva River are home to the largest black bear ( Ursus americanus floridanus ) population in Florida; several troops of Rhesus monkeys ( Macaca mulatta ) have adapted to live near the river as well. The monkeys' introduction to Florida is unclear; they were reportedly brought either to serve in backdrop scenes of Tarzan movies filmed around
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#17327754996761488-578: A dramatic effect on its geomorphology. Florida was once part of the supercontinent Gondwana . Lying underneath the visible rock formations is a basement of igneous granite and volcanic composition under a sedimentary layer formed during the Paleozoic era 542 to 251 million years ago. During the Cretaceous period (145 to 66 million years ago), the basement and its sedimentary overlay were further covered by calcium carbonate and formations left by
1612-425: A food source for fish and birds. Insect larvae use water for breeding, feeding upon smaller copepods and amphipods that live in microscopic algae and periphyton formations. Mosquitos , born in water, are in turn the favorite food of 112 species of dragonflies and 44 species of damselflies in Florida. These animals are water hardy and adaptable to dry conditions when water levels fluctuate from one season to
1736-500: A guide. In 1795, Florida was transferred back to Spain which lured Americans with cheap land. A former loyalist to Britain who left South Carolina during the American Revolutionary War , a planter and slave trader named Zephaniah Kingsley seized the opportunity and built a plantation named Laurel Grove near what is now Doctors Lake , close to the west bank of the St. Johns River, south of where Orange Park
1860-407: A major connection in the southern part of Jacksonville. At the western end of the river, I-295 continues west, serving as the border between Clay and Duval counties running just north of the town of Orange Park with interchanges at US Route 17 (US 17)/ SR 15 ( Roosevelt Boulevard ) and SR 21 (Blanding Boulevard), serving NASJAX and Clay County. Before turning north through
1984-403: A northerly direction, the upper basin is located in the headwaters of the river at its southernmost point. Indian River County is where the river begins as a network of marshes, at a point west of Vero Beach aptly named the St. Johns Marsh in central Florida. The St. Johns River is a blackwater stream , meaning that it is fed primarily by swamps and marshes lying beneath it; water seeps through
2108-549: A population increase followed. When European explorers arrived in north Florida, they met the Timucua , numbering about 14,000, the largest group of indigenous people in the region. The later Seminole people called the river Welaka or Ylacco . These forms may derive from the Creek wi-láko , "big water", a compound usually applied to large rivers that run through lakes; the St. Johns forms and borders numerous lakes. Alternately,
2232-559: A railroad, and a creek, and then continues into Northern Duval. North of the I-10 interchange, the western beltway loops around the northwest side of Jacksonville with full interchanges located at both Commonwealth Avenue and Pritchard Road, before curving northeast to an interchange at US 1 / US 23 (New Kings Road). The road then crosses the Trout River before crossing SR 104 (Dunn Avenue), where this northern portion of
2356-408: A sharp turn west near Sanford for a few miles—which is referred to as the St. Johns River offset , but shortly changes direction to flow north again. Geologists hypothesize that the west-flowing offset may have formed earlier than the north flowing portions, possibly during the late Tertiary or early Pleistocene era 66 to 12 million years ago. Some fracturing and faulting may also be responsible for
2480-510: A total area of 2,600 square miles (6,700 km ) in Putnam, St. Johns , Clay , and Duval Counties. Twelve tributaries empty into the river in the lower basin. The St. Johns River widens considerably on the north end of Lake George; between Lake George and Palatka the river ranges between 600 and 2,640 feet (180 and 800 m) wide. Between Palatka and Jacksonville, that widens further to between 1 and 3 miles (1.6 and 4.8 km). This portion of
2604-412: A variety of people have lived on or near the St. Johns, including Paleo-indians , Archaic people , Timucua , Mocama , Mayaca , Ais , French, Spanish, and British colonists, Seminoles , slaves and freemen, Florida crackers , land developers, tourists and retirees. It has been the subject of William Bartram 's journals, Harriet Beecher Stowe 's letters home, and Marjorie Kinnan Rawlings ' books. In
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#17327754996762728-642: A wide variety of tools constructed around this time, archeologists note the transition into Archaic people . The Archaic people made tools from bone, animal teeth, and antlers. They wove fibers from plants such as cabbage palms and saw palmettos. A few burial sites have been excavated—including the Windover Archaeological Site in Brevard County near Titusville —that provide evidence of burial rituals. Archaic peoples interred their dead in shallow peat marshes , which preserved much of
2852-577: Is characterized as brackish water. Near the center of Jacksonville, average measures have been collected at 11.40 ppt. Farther south at the Buckman Bridge, joining the south side of Jacksonville to Orange Park, it decreases to 2.9 ppt and falls again to 0.81 ppt at the Shands Bridge near Green Cove Springs . Dissolved oxygen in fresh water is measured to indicate the health of plant and animal life. It enters water through
2976-863: Is discharged, which is dependent upon season and rainfall. The greatest discharge is from first magnitude springs that emit at least 100 cubic feet (2.8 m ) of water per second. There are four first magnitude springs that feed the St. Johns River: Silver Springs in Marion County, emitting between 250 and 1,290 cubic feet (7.1 and 36.5 m )/second; Silver Glen Spring straddling Marion and Lake Counties, emitting between 38 and 245 cubic feet (1.1 and 6.9 m )/second; Alexander Springs in Lake County, emitting between 56 and 202 cubic feet (1.6 and 5.7 m )/second; and Blue Spring in Volusia County, emitting between 87 and 218 cubic feet (2.5 and 6.2 m )/second. The St. Johns River lies within
3100-458: Is forbidden. Bordering to the north of Blue Spring State Park is Hontoon Island State Park , accessible only by boat. In 1955 an extremely rare Timucua totem representing an owl was found buried and preserved in the St. Johns muck off of Hontoon Island . The figure may signify that its creators were part of the owl clan. Representing different clans of the Timucua, two more totems—in all,
3224-559: Is heavy. Tides cause seawater to enter the mouth of the St. Johns River and can affect the river's level into the middle basin. As a result, much of the river in Jacksonville is part seawater, making it an estuarine ecosystem. The animals and plants in these systems can tolerate both fresh and salt water, and the fluctuations in saline content and temperatures associated with tidal surges and heavy rainfall discharge. Marine animals such as dolphins and sharks can be spotted at times in
3348-738: Is home to 183 species of fish, 55 of which appear in the main stem of the river. One, the southern tessellated darter ( Etheostoma olmstedi ) is found only in the Ocklawaha. Some are marine species that either migrate upriver to spawn or have found spring-fed habitats that are high in salinity, such as a colony of Atlantic stingrays ( Dasyatis sabina ) that live in Lake Washington in the upper basin. Ocean worms, snails, and white-fingered mud crabs ( Rhithropanopeus harrisii ) have also been found far upriver where tidal influences are rare. In contrast, American eels ( Anguilla rostrata ) live in
3472-446: Is in Jacksonville , Duval County . St. Johns River The St. Johns River ( Spanish : Río San Juan ) is the longest river in the U.S. state of Florida and it is the most significant one for commercial and recreational use. At 310 miles (500 km) long, it flows north and winds through or borders twelve counties. The drop in elevation from headwaters to mouth is less than 30 feet (9 m); like most Florida waterways,
3596-637: Is of beam-type construction, approximately 3.1 miles (5.0 km) in length, and travels roughly east–west. The eastbound (carrying I-295 South traffic) and westbound (carrying I-295 North traffic) lanes are built on separate bridge structures. Average daily traffic in 1996 was estimated at 78,000 vehicles. In 1995, the bridge was expanded from two lanes in each direction with partial breakdown lanes to four lanes in each direction with full breakdown lanes. A Florida Department of Transportation study in September 1997 counted 110,743 vehicles. With busy exits within
3720-446: Is rare. All plants in these basins must tolerate water fluctuation, both flooding and drought. Sweetbay ( Magnolia virginiana ), cypress ( Taxodium ), and swamp tupelo ( Nyssa biflora ) trees often find great success in this region on raised land called hammocks . Trees that live in water for long periods usually have buttressed trunks, tangled, braided roots, or protrusions like cypress knees to obtain oxygen when under water, but
3844-565: Is separated into three major basins and two associated watersheds for Lake George and the Ocklawaha River , all managed by the St. Johns River Water Management District . Although Florida was the location of the first permanent European settlement in what would become the United States, much of Florida remained an undeveloped frontier into the 20th century. With the growth of population, the St. Johns, like many Florida rivers,
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3968-643: Is the winter home for West Indian manatees ( Trichechus manatus latirostris ), and they are protected within Blue Spring State Park . Manatees are large, slow-moving herbivorous aquatic mammals whose primary threats are human development and collisions with swiftly moving watercraft. Many parts of the St. Johns and its tributaries are no-wake zones to protect manatees from being critically or fatally injured by boat propellers. Human interaction with manatees in Blue Spring State Park
4092-494: Is today Jacksonville and another on Drayton Island at the north end of Lake George. Kingsley later married three other freed women in a polygamous relationship; Spanish-controlled Florida allowed interracial marriages, and white landowners such as James Erwin, George Clarke, Francisco Sánchez, John Fraser, and Francis Richard Jr.—early settlers along the river—all were married to or in extramarital relationships with African women. The first years following Florida's annexation to
4216-470: Is today. Three years later, Kingsley took a trip to Cuba and purchased a 13-year-old Wolof girl named Anna Madgigine Jai . She became his common-law wife, and managed Laurel Grove while Kingsley traveled and conducted business. The plantation grew citrus and sea island cotton ( Gossypium barbadense ). In 1814, they moved to a larger plantation on Fort George Island , where they lived for 25 years, and owned several other plantations and homesteads in what
4340-508: The Caloosahatchee River , and later to drain lands in the central part of the state for agriculture. Disston was furthermore persuaded to purchase 4,000,000 acres (16,000 km ) of land in central Florida for $ 1 million, which at the time was reported to be the largest purchase of land in human history. Disston was ultimately unsuccessful in his drainage attempts, but his investment sparked the tourist industry and made possible
4464-521: The Fuller Warren Bridge , then driving south, a distance of nearly 30 miles (48 km) and an hour of travel time. Another option was to drive south to Green Cove Springs and across the wooden planks of the Shands Bridge , almost twice the distance of the northern route. The first public hearing about the bridge was held in July 1963. In April 1964, after intense discussion, the decision
4588-718: The Ocklawaha River called the Ocklawaha Rangers in the American Civil War . Prior to the civil war, Pearson ran a successful health resort in Orange Springs . After the civil war Pearson's Orange Springs resort declined in popularity due to the increasing attention to nearby Silver Springs —the source of the Silver River—at the turn of the 20th century, popularizing the Ocklawaha. Georgia-born poet Sidney Lanier called it "the sweetest waterlane in
4712-475: The Silver River in the 1930s, or to lend an air of authenticity to "jungle cruises" provided by an enterprising boat operator around the same time. Of most vital importance to marshes are invertebrate animals, the foundation of food webs . Amphibious invertebrates such as apple snails ( Pomacea paludosa ), crayfish , and grass shrimp consume plant material, hastening its decomposition and acting as
4836-505: The University of North Florida . The next interchange, SR 202 (J. Turner Butler Boulevard), is a freeway to freeway turbine interchange, finished in 2008. After interchanges with Gate Parkway and SR 152 (Baymeadows Road) and a partial interchange with SR 9B (future I-795 ), I-295 curves to the west, it crosses US 1 ( Philips Highway ) before completing the loop at I-95 in south Jacksonville. The northern part of
4960-444: The 1860s, weekly trips between Jacksonville, Charleston , and Savannah were made to transport tourists, lumber, cotton, and citrus. The soil along the St. Johns was considered especially successful for producing sweeter oranges. Florida's involvement in the U.S. Civil War was limited compared to other Confederate states because it had a fraction of the populations of states that had been developed. Florida provided materials to
5084-417: The Buckman Bridge near exit 5 at San Jose Boulevard ( SR 13 ) to I-95 (exit 61) at the southern end of Jacksonville opened after several years of construction. On April 9, 2022, two express lanes in each direction stretching from I-795/ SR 9B (exit 58) to J. Turner Butler Boulevard ( SR 202 , exit 53) at the southeastern end of Jacksonville opened to traffic. Extending from
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5208-456: The Buckman bridge as well as between J. Turner Butler Boulevard (SR 202) and I-795/SR 9B. The Blanding Boulevard/Collins Road interchange complex also includes a collector–distributor system . The current version of I-295 appeared on maps in 1967, as a loop around central Jacksonville, with the first section between I-95 in south Duval County to SR 134 (exit 16) in 1970, and
5332-751: The Confederacy by way of steamboats on the St. Johns, although the river and the Atlantic coasts were blockaded by the U.S. Navy. One action in Florida's role in the Civil War was the sinking of the USS ; Columbine , a Union paddle steamer used for patrolling the St. Johns to keep materials from reaching the Confederate Army. In 1864, near Palatka, Confederate forces under the command of Capt. John Jackson Dickison captured, burned, and sank
5456-596: The Econlockhatchee River, and the Wekiva River causes the average discharge to increase by 940 cubic feet (27 m ) per second between Lake Harney and DeLand, representing the greatest annual average increase of streamflow along the St. Johns. As distance between the mouth of the St. Johns and the middle and upper basins increases, the salinity in the river gradually decreases. Marine water measures at 35 parts per thousand (ppt) or more while fresh water measures below 2 ppt. What ranges in between
5580-568: The Harbor), the mission established at the river's mouth following the demise of the French fort. The name first appeared on a Spanish map created between 1680 and 1700. The Timucua, as other groups of indigenous people in Florida, began to lose cohesion and numbers by the 18th century. A tribe located in modern-day Georgia and Alabama called the Creeks assisted with this; in 1702, they joined with
5704-634: The I-295 loop, from Commonwealth Avenue just north of I-10 in the west to Town Center Parkway just north of J. Turner Butler Boulevard (SR 202) in the east consists of two general purpose lanes in each direction (with the exception of the Dames Point bridge which contains three lanes in each direction). The southern part of the loop consists of three general purpose lanes (except for the Buckman bridge which contains four lanes in each direction), plus two express toll lanes in each direction between I-95 and
5828-672: The Interstate and direct its customers to avoid its use. A taskforce was set up by the Jacksonville Sheriff's Office to investigate the incidents, and, though charges were filed, they were eventually dropped. The taskforce was disbanded at the end of 1992, and the incidents remained unsolved to this day. As of 2022 , FDOT is conducting a study on widening the section between the Dames Point Bridge and J. Turner Butler Boulevard (SR 202). The entire route
5952-540: The Lake George watershed, with slash pines ( Pinus elliottii ), saw palmetto ( Serenoa repens ), and over 100 species of groundcover or herbal plants that grow in poor, sandy soil. Flatwoods pine forests stay relatively dry, but can withstand short periods of flooding. Larger land animals such as wild turkeys ( Meleagris gallopavo ), sandhill cranes ( Grus canadensis ), and the largest population of southern bald eagles ( Haliaeetus leucocephalus leucocephalus ) in
6076-520: The Seminole name may derive from walaka (from wi-alaka , "water" and "coming"), perhaps a reference to the river's slow discharge and the tidal effects on it. The name is sometimes rendered as "Chain of Lakes" in English. Though the first European contact in Florida came in 1513 when Juan Ponce de León arrived near Cape Canaveral , not until 1562 did Europeans settle the north Atlantic coast of
6200-574: The Seminoles gradually moved into Florida and began to break ties with the Creeks to become a cohesive tribe of their own. The St. Johns provided a natural boundary to separate European colonies on the east bank and indigenous lands west of the river. After Florida came under the Kingdom of Great Britain 's jurisdiction in 1763, Quaker father and son naturalists John and William Bartram explored
6324-423: The Seminoles who called him "Puc Puggy" (flower hunter). William's visit took him as far south as Blue Spring, where he remarked on the crystal clear views offered by the spring water: "The water is perfectly diaphanous, and here are continually a prodigious number and variety of fish; they appear as plain as though lying on a table before your eyes, although many feet deep in the water." Bartram's journals attracted
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#17327754996766448-542: The Spanish to maintain control of the river. The French and Spanish continued to spar over who would control the natural resources and native peoples of the territory. The Timucua, who had initially befriended the French, were not encouraged to make the Spanish allies because of colonial governor Pedro Menéndez de Avilés ' abhorrence of French Protestantism and his view that the Timucuan beliefs were "Satanic". By 1573,
6572-612: The St. Johns and Ocklawaha and spawn in the Sargasso Sea in the middle of the Atlantic Ocean. After a year living in the ocean, many of them find their way back to the St. Johns to live, then, prompted by the phases of the moon, make the return journey to spawn and die. From the intersection of the Ocklawaha River, 101 miles (163 km) to the Atlantic Ocean, the St. Johns lies within the lower basin, draining
6696-458: The St. Johns at Jacksonville as can manatees. Fish such as mullet ( Mullidae ), flounder ( Paralichthys lethostigma ), shad ( Alosa sapidissima ), and blue crabs ( Callinectes sapidus ) migrate from the ocean to freshwater springs upriver to spawn. Although freshwater invertebrates inhabiting and comprising algae and periphyton make the foundation of food webs in the middle and lower basin, zooplankton and phytoplankton take that role in
6820-514: The St. Johns has a very slow flow speed of 0.3 mph (0.13 m/s), and is often described as "lazy". Numerous lakes are formed by the river or flow into it, but as a river its widest point is nearly 3 miles (5 km) across. The narrowest point is in the headwaters, an unnavigable marsh in Indian River County . The St. Johns drainage basin of 8,840 square miles (22,900 km ) includes some of Florida's major wetlands. It
6944-646: The St. Johns is black, owing to the tannins in leaf litter and decaying aquatic plants. Spring fed streams, on the other hand, are remarkably clear and visibility is very high, even when the river bottom is dozens of feet below. Humans arrived on the Florida Peninsula about 12,000 years ago when the ocean was about 350 feet (110 m) lower than today, and the peninsula was double its current size. These earliest people are called Paleo-Indians . They were primarily hunter–gatherers who followed large game, such as mastodons , horses, camels, and bison. Much of
7068-417: The St. Johns or its tributaries reported at or below these minimums in the 1990s, including the mouth of the Wekiva River, the St. Johns at the town of Christmas , and in the early 2000s at Blue Spring and Blackwater Creek. Sustained low levels of dissolved oxygen may create algal blooms, which may also cause a further decrease in dissolved oxygen. Like all blackwater streams in Florida, the color of most of
7192-793: The St. Johns was significantly lowered in the 1920s with the establishment of the Melbourne Tillman drainage project. This drained the St. Johns' headwaters eastward to the Indian River through canals dug across the Ten-Mile Ridge near Palm Bay . As of 2015, these past diversions are being partially reversed through the first phase of the Canal 1 Rediversion project. The river is at its narrowest and most unpredictable in this basin. Channel flows are not apparent and are usually unmarked. The most efficient way to travel on this part of
7316-477: The St. Johns, were created by past beach ridges which were often divided by swales . As ocean water retreated, lagoons formed in the swales, which were further eroded by acidic water. Barrier islands , furthermore, formed along the Atlantic Coast, surrounding the lagoon with land and forming a freshwater river. From its origins to approximately the area of Sanford, the St. Johns flows north. It takes
7440-444: The Timucua were in outright rebellion, testing the governor's patience and forcing Spanish settlers to abandon farms and garrisons in more interior parts of Florida; the Spanish could not persuade the Timucua to keep from attacking them. Over a hundred years later, missionaries had more success, setting up posts along the river. Spanish Franciscan missionaries gave the river its current name based on San Juan del Puerto (St. John of
7564-599: The USS Columbine , making her perhaps the only ship commandeered by the Confederacy. The same year and farther downriver, Confederates again sank a Union boat, the Maple Leaf , which struck a floating keg filled with explosives and settled into the muck near Julington Creek , south of Jacksonville. Part of the shipwreck was recovered in 1994, when it was discovered that many Civil War-era artifacts, including daguerreotypes and wooden matches, had been preserved in
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#17327754996767688-488: The United States in 1821 were marked with violent conflicts between white settlers and Seminoles, whose bands often included runaway African slaves. The clashes between American and Seminole forces during the establishment of the Florida territory are reflected in the towns and landmarks along the St. Johns named for those who were directly involved. Even before Florida was under U.S. jurisdiction, Major General Andrew Jackson
7812-611: The Westside of Duval County, the freeway also has a full interchange at east–west connector Collins Road to serve the Argyle and Oak Leaf areas in addition to NASJAX. Continuing north, with full interchanges at SR 134 (103rd Street), SR 208 (Wilson Boulevard), and SR 228 (Normandy Boulevard), I-295, the west half of Jacksonville's Beltway reaches its interchange with I-10 approximately six miles (9.7 km) west of Downtown, then crosses over US 90 (Beaver Street),
7936-594: The Yamasee and attacked some of the Timucua, forcing them to seek protection from the Spanish who forced them into slavery. The Creeks began assimilating other people and spread farther south until they were known by 1765 as Seminoles by the British, a term adapted from cimarrones that meant "runaways" or "wild ones". The Seminoles employed a variety of languages from the peoples the Creeks had assimilated: Hitchiti , Muskogee , as well as Timucua. Between 1716 and 1767,
8060-428: The airport were under construction, new lanes and a flyover ramp were constructed to help improve the interchange. This was completed in late September 2010. On December 4, 2011, the two halves of the Jacksonville beltway changed over to their current designations: the West Beltway (formerly the whole of I-295) and the East Beltway (formerly SR 9A). The East Beltway was officially given the I-295 designation, making
8184-531: The atmosphere and from aquatic plant photosynthesis, and is affected by water pressure and temperature. Rapid decomposition of organic materials will decrease the amount of dissolved oxygen in the river, as will nutrients added to the water artificially by wastewater treatment runoff or drainage from fertilized agricultural fields. The U.S. Environmental Protection Agency and the State of Florida recommend no less than 5 mg of oxygen per liter. Several locations on
8308-628: The attention of such prominent Americans as James Madison and Alexander Hamilton . The success of these journals inspired other naturalists such as André Michaux to further explore the St. Johns, as he did in 1788, sailing from Palatka south to Lake Monroe, and gave names to some of the plants described by the Bartrams' journals. Michaux was followed by William Baldwin between 1811 and 1817. Subsequent explorers, including John James Audubon , have carried William's Travels Through North & South Carolina, Georgia, East & West Florida with them as
8432-408: The central part of the state north, along the Atlantic Coast lived people in the St. Johns culture , named for the most significant nearby natural formation. Around 750 CE , the St. Johns culture learned to cultivate corn, adding to their diet of fish, game, and gourds. Archeologists and anthropologists date this agricultural advancement to coincide with a spread of archeological sites, suggesting that
8556-410: The city of Sanford . It is at this point that the St. Johns' navigable waterway, dredged and maintained by the U.S. Army Corps of Engineers with channel markers maintained by the U.S. Coast Guard , begins. Lake Monroe, a large lake at 15 square miles (39 km ) with an average depth of 8 feet (2.4 m), drains a surrounding watershed of 2,420 square miles (6,300 km ). Sanford has adapted to
8680-427: The city. Mayport is home to approximately 20 shrimping vessels that use the mouth of the St. Johns to access the Atlantic Ocean. Lying within a coastal plain , the St. Johns River passes through an area that was at one time barrier islands, coastal dunes, and estuary marshes. The Florida Peninsula was created primarily by forces and minerals from the ocean. It lies so low that minor fluctuations in sea levels can have
8804-465: The confining layer is fractured to allow breaches of water to percolate down to recharge the layer below. The Floridan Aquifer , underneath the confining layer, underlies the entire state and portions of Georgia, Alabama, Mississippi, and South Carolina. It is particularly accessible in the northern part of Florida, serving as the fresh water source of metropolitan areas from St. Petersburg north to Jacksonville and Tallahassee . Acidic rainwater erodes
8928-415: The contiguous U.S., find it easier to live in the flatwoods. Typical mammals that live in these ecosystems, such as raccoons ( Procyon lotor ), opossums ( Didelphis virginiana ), bobcats ( Lynx rufus ), and white tailed-deer ( Odocoileus virginianus ), are ones that prefer dry, flat areas with good ground cover and available nesting sites. The Ocklawaha River flows north and joins the St. Johns as
9052-482: The counties of Indian River north to Duval produces rain that is drained by the St. Johns River. Tropical Storm Fay in 2008 deposited 16 inches (410 mm) of rain in a 5-day period, most of it located near Melbourne . The St. Johns near Geneva in Seminole County rose 7 feet (2.1 m) in four days, setting a record. The river near Sanford rose 3 feet (1 m) in 36 hours. Fay caused severe flooding in
9176-527: The early 19th century, frustrated when trying to navigate through floating islands of macrophytes , or muck and weeds, as the islands changed location with the creeping flow. Lakes Washington , Winder , and Poinsett are located further along this stretch of the river. The northernmost points of the upper basin contain the Tosohatchee Wildlife Management Area , created in 1977 to assist with filtration of waters flowing into
9300-529: The entire beltway I-295, and SR 9A remained the hidden designation for the entire beltway for FDOT purposes. In February 2011, construction began for a new interchange at Collins Road, just west of the congested Blanding Boulevard exit. The $ 63.4-million (equivalent to $ 81.8 million in 2023 ) project was completed in December 2013, earlier than the originally projected 2014 date. On May 18, 2019, two express toll lanes in each direction stretching from
9424-483: The estuarine habitat. Mollusks gather at the St. Johns estuary in large numbers, feeding on the bottom of the river and ocean floors. The abundance and importance of oysters ( Crassostrea virginica ) is apparent in the many middens left by the Timucua in mounds many feet high. Oysters and other mollusks serve as the primary food source of shorebirds. The large trees that line the river from its source to south of Jacksonville begin to transition into salt marshes east of
9548-485: The evaporation of water called evaporites . What covers the peninsula is the result of simultaneous processes of deposits of sands, shells, and coral, and erosion from water and weather. As ocean water has retreated and progressed, the peninsula has been covered with sea water at least seven times. Waves compressed sands, calcium carbonate, and shells into limestone ; at the ocean's edge, beach ridges were created by this depositional forming. North–south axis rivers, such as
9672-805: The human tissue. Further climate change between 5,000 and 3,000 years ago led to the Middle Archaic period; evidence suggests that human habitation near the St. Johns River first occurred during this era. Populations of indigenous people increased significantly at this time, and numerous settlements near the St. Johns have been recorded from this era; the banks of the St. Johns and its arteries are dotted with middens filled with thousands of shells, primarily those of Viviparus georgianus —a freshwater snail—and oysters. The advent of regional types of pottery and stone tools made of flint or limestone marked further advancements around 500 BCE . The Archaic people transitioned into settled groups around Florida. From
9796-429: The lake by building some of its downtown area on the waterfront; citizens use boat transportation and Sanford's public dock to commute into town. Optimally an 8-foot (2.4 m) deep channel about 100 yards (91 m) wide after leaving Lake Monroe, the St. Johns meets its most significant tributary in the middle basin, the spring-fed Wekiva River , discharging approximately 42,000,000 US gallons (160,000,000 L)
9920-509: The land was far from water—most fresh water was contained in glaciers and polar ice caps. As a result, Florida was an arid landscape with few trees, dominated by grasslands and scrub vegetation. Around 9,000 years ago, the climate warmed, melting much of the polar ice caps and many glaciers, creating a wetter environment and submerging half the peninsular shelf. As Paleo-Indians now did not have to travel as far to find water, their camps became more permanent, turning into villages. With evidence of
10044-455: The larger St. Johns. Wetlands in the upper and middle basin are fed by rainwater, trapped by the structure of the surrounding land. It is an oxygen- and nutrient-poor environment; what grows usually does so in peat which is created by centuries of decaying plant material. Water levels fluctuate with the subtropical wet and dry seasons. Rain in central and north Florida occurs seasonally during summer and winter, but farther south rain in winter
10168-511: The largest tributary, and one of significant historical importance. The Ocklawaha (also printed as Oklawaha) drainage basin expands through Orange, Lake, Marion, and Alachua Counties, comprising a total of 2,769 square miles (7,170 km ). Ocala , Gainesville , and the northern suburbs of the Orlando metropolitan area are included in this basin. There are two headwaters for the Ocklawaha:
10292-565: The length of the river while visiting the southeastern United States from 1765 to 1766. They published journals describing their experiences and the plants and animals they observed. They were charged by King George III to find the source of the river they called the Picolata or San Juan, and measured its widths and depths, taking soil samples as they traveled southward. William returned to Florida from 1773 to 1777 and wrote another journal about his travels, while he collected plants and befriended
10416-501: The limestone and can form caverns. When the overlay of these caverns is particularly thin—less than 100 feet (30 m)— sinkholes can form. Where the limestone or sand/clay overlay dissolves over the aquifer and the pressure of the water pushes out, springs form. The upper and middle basins of the St. Johns River are located in a portion of the peninsula where the aquifer system is thinly confined, meaning springs and sinkholes are abundant. Springs are measured in magnitude of how much water
10540-481: The local Timucua and Mocamas were friendly. The colony was unable to support itself; some of the French deserted. Those who remained were killed in 1565 by the Spanish, led by Pedro Menéndez, when they marched north from St. Augustine and captured Fort Caroline. The river was renamed San Mateo by the Spanish in honor of the Apostle Matthew, whose feast was the following day. Capturing Fort Caroline allowed
10664-572: The local economy and supports 10,000 jobs. The U.S. Navy has two bases in the Jacksonville area: Naval Station Mayport , at the mouth of the river, serves as the second largest Atlantic Fleet operation and home port in the country. Naval Air Station Jacksonville is one of the service's largest air installations, home to two air wings and over 150 fixed-wing and rotary-wing aircraft, and the host for one of only two full-fledged Naval Hospitals remaining in Florida. If I could have, to hold forever, one brief place and time of beauty, I think I might choose
10788-517: The loop turns east, with interchanges at SR 115 (Lem Turner Road), SR 243 (International Airport Boulevard)/Duval Road, and I-95, all just south of Jacksonville International Airport , where the East Beltway begins. East of the I-95 interchange near the airport, I-295 continues east as the East Beltway, with the next interchange being US 17 (North Main Street). I-295 starts to curve to
10912-449: The loop was constructed initially as a super-two highway with traffic lights in the late 1980s and was not up to Interstate Highway standards . The Dames Point Bridge was signed as I-295 in 1990, but this designation was removed in 1993 and replaced by SR 9A. The final sections of SR 9A were completed in 2006, creating a complete loop around central Jacksonville. Several sections not under Interstate compliance were upgraded, and
11036-545: The majority of plant life is aquatic. Wetland staples include the American white waterlily ( Nymphaea odorata ), pitcher plants , and Virginia iris ( Iris virginica ). In the southernmost points of the river, Cladium , or sawgrass, grows in vast swaths of wet prairie that at one time extended into the Everglades . These wetland flora are remarkably successful in filtering pollutants that otherwise find their way into
11160-415: The middle basin due not only to the deluge but the flat slopes of the river. Typically, however, the St. Johns basin receives between 50 and 54 inches (1,300 and 1,400 mm) of rain annually, half of it in summer months. The rate of evapotranspiration corresponds to rainfall, ranging between 27 and 57 inches (690 and 1,450 mm) a year, most of it occurring in the summer. The entire river lies within
11284-448: The mouth at Mayport averages 15,000 cubic feet (420 m ) per second, but with tides it exceeds 50,000 cubic feet (1,400 m ) per second, and following heavy rains combined with tides can top 150,000 cubic feet (4,200 m ) per second. Farther upriver, the discharge rate ranges from 1,030 cubic feet (29 m ) per second near Lake Poinsett to 2,850 cubic feet (81 m ) per second near DeLand. The confluence of numerous springs,
11408-505: The nearly flat Pamlico terrace, giving it an overall gradient of 0.8 inches (2.0 cm) per mile (km); it is one of the flattest major rivers on the continent. Its proximity to the ocean in the lower basin affects its rise and fall with tides and salinity. Tides regularly affect water levels as far south as Lake George; when combined with extreme winds, the river's tidal effects can extend to Lake Monroe 161 miles (259 km) away and have on occasion reached Lake Harney. Tides typically raise
11532-469: The next or through drought and flood cycles. Of vertebrates, numerous species of frog, salamander, snake, turtle, and alligator ( Alligator mississippiensis ) proliferate in marsh waters. Most of these animals are active at night. Frog choruses are overwhelming; during alligator mating season the grunts of bulls join in. The marshes around the St. Johns River upper basin teem with birds. A recent study counted 60,000 birds in one month, nesting or feeding in
11656-529: The night on that high lonely bank above the St. Johns River — Marjorie Kinnan Rawlings in Cross Creek Using an unofficial nickname of "The River City", Jacksonville has a culture centered on the St. Johns. An annual footrace named the Gate River Run accepts 18,000 participants who travel a course along and over the river twice. The largest kingfishing tournament in the U.S. is held on
11780-430: The offset. Although seismic activity in Florida is mostly insignificant, several minor earthquakes have occurred near the St. Johns River, caused by the trough created by Pangaean rifting . All of Florida's abundant fresh water is the result of precipitation that returns to the atmosphere in a process called evapotranspiration that involves evaporation and transpiration of moisture from plants. As rains fall, most of
11904-635: The only totems in North America to have been found outside of the Pacific Northwest—shaped like a pelican and otter were found in 1978 after being snagged by a barge at the bottom of the river. River otters ( Lutra canadensis ) can be found through the length of the St. Johns and its tributaries, living in burrows or in the roots of trees bordering waterways. They eat crayfish, turtles, and small fish, and are active usually at night, playful but shy of human contact. The St. Johns creeps into
12028-424: The peninsula. Early Spanish explorers named the river Rio de Corientes (River of Currents). The St. Johns River became the first place colonized in the region and its first battleground: when French explorer Jean Ribault erected a monument south of the river's mouth to make the French presence known, it alarmed the Spanish who had been exploring the southern and western coast of the peninsula for decades. Ribault
12152-550: The river and broad, shallow lakes. Two of the largest lakes in the middle basin are created by the river: Lake Harney and Lake Monroe. The shallow 9-square-mile (23 km ) Lake Harney is fed by the long narrow Puzzle Lake ; immediately north is the Econlockhatchee River , which joins to increase the volume of the St. Johns to where navigation becomes easier for larger boats. The river veers west, touching on Lake Jesup before it empties into Lake Monroe , passing
12276-467: The river has a long backwater . It ebbs and flows with tides that pass through the barrier islands and up the channel. Uniquely, it shares the same regional terrain as the parallel Kissimmee River , although the Kissimmee flows south. The St. Johns River is separated into three basins and two associated watersheds managed by the St. Johns River Water Management District . Because the river flows in
12400-478: The river is by airboat . Approximately 3,500 lakes lie within the overall St. Johns watershed; all are shallow, with maximum depths between 3 and 10 feet (1 and 3 m). The river flows into many of the lakes, which further confuses navigation. Eight larger lakes and five smaller ones lie in the upper basin; one of the first is named Lake Hell 'n Blazes (sometimes polished to read as Lake Helen or Hellen Blazes), referencing oaths yelled by boatmen and fishermen in
12524-452: The river is the most navigable and shipping is its primary use. The Army Corps of Engineers maintains shipping channels at least 12 feet (3.7 m) deep and 100 feet (30 m) wide. North of Jacksonville, the channels are expanded to 40 feet (12 m) deep and between 400 and 900 feet (120 and 270 m) wide. The towns and cities along the lower basin of the river are some of the oldest in Florida, and their histories have centered on
12648-508: The river level about 1.2 feet (0.37 m) at Jacksonville, decreasing some to 0.7 feet (0.21 m) at Orange Park where the river widens, and increasing back to 1.2 feet (0.37 m) at Palatka as it narrows. As a result of tidal effects, discharge measurements in the lower basin are often inaccurate. However, the estimated rate of discharge between the Ocklawaha River and the center of Jacksonville ranges from 4,000 to 8,300 cubic feet (110 to 240 m ) per second. The nontidal discharge at
12772-492: The river muck. Although the Spanish had colonized Florida for two centuries, the state remained the last part of the east coast of the United States to be developed and explored. Following the Civil War, the State of Florida was too far in debt to build roads and rail lines to further its progress. Florida Governor William Bloxham in 1881 appealed directly to a Pennsylvania-based industrialist named Hamilton Disston , initially to build canals to improve steamboat passage through
12896-436: The river's course runs through Jacksonville with a population of more than a million. Much of the economic base of Jacksonville depends on the river: 18,000,000 short tons (16,000,000 t) of goods are shipped in and out of Jacksonville annually. Exports include paper, phosphate, fertilizers, and citrus, while major imports include oil, coffee, limestone, cars, and lumber. The Port of Jacksonville produces $ 1.38 billion in
13020-450: The river. For 37 miles (60 km) the river passes through a 1,200-square-mile (3,100 km ) basin fed primarily by springs and stormwater runoff. This basin, spreading throughout Orange, Lake , Volusia , and Seminole Counties, is home to the greater Orlando metropolitan area, where two million people live and major tourist attractions are located. The topography of the middle basin varies between clearly distinguishable banks along
13144-404: The river. Both Palatka and Green Cove Springs have been popular tourist destinations in the past. Several smaller locations along the river sprang up around ferry landings, but when rail lines and then Interstate highways were constructed closer to the Atlantic Coast, many of the towns experienced significant economic decline, and ferry landings were forgotten. The final 35 miles (56 km) of
13268-573: The route was considered interstate ready in 2009. The I-295 East Beltway (formerly signed as SR 9A) was designated the Ronald Reagan Memorial Highway in an FDOT ceremony on August 27, 2009. After the Federal Highway Administration accepted the road as the eastern loop of I-295 in 2010, the state was no longer able to name the highway. Improvements to the I-95 interchange north close by
13392-500: The sandy soil and collects in a slight valley. The upper basin measures approximately 2,000 square miles (5,200 km ); the St. Johns transforms into a navigable waterway in Brevard County . The river touches on the borders of Osceola and Orange Counties , and flows through the southeast tip of Seminole County , transitioning into its middle basin a dozen miles (19 km) or so north of Titusville . The upper basin of
13516-409: The section from SR 134 to I-10 opened in 1973. The section from I-10 to Commonwealth Avenue (exit 22) opened in 1975, followed by the extension to I-95 in north Jacksonville in 1977, completing the western section of the loop. The eastern section, formerly signed as SR 9A, had its first section open from I-95 in north Jacksonville to US 17 (exit 36) in 1983. The eastern half of
13640-793: The southeast corner of the loop is I-795 , currently signed as SR 9B, an approximately 5.5-mile (8.9 km) expressway connecting to I-95 and proceeding southward into St. Johns County. In May 2008, the SR ;9B project was originally suspended by FDOT . The project was reinstated in 2009, and construction of Phase 1 began in June 2010 and opened on September 19, 2013. Construction of Phase 2, which extends SR 9B from US 1 to I-95, started in May 2013 and opened on June 13, 2016. Construction of Phase 3 extending south of I-95 to County Road 2209 (CR 2209) and Race Track Road via
13764-1005: The southeast, with interchanges at Pulaski Road and Alta Drive/Yellowbluff Road. Before orienting itself southward at the SR ;105 (Zoo Parkway/Heckscher Drive) area, the freeway crosses the Dames Point Bridge over the St. Johns River into the Fort Caroline area. Just south of the bridge, a partial interchange with SR 113 (Southside Connector) in the Regency area is followed by full interchanges with Merrill and Monument roads, providing access through Arlington between Jacksonville University and Naval Station Mayport . Continuing south, it has full interchanges with SR 10 (Atlantic Boulevard), St. Johns Bluff Road, US 90 / SR 212 (Beach Boulevard) and Town Center Parkway/University of North Florida Drive access to
13888-575: The southern tip of Lake George , the second largest lake in Florida at 72 square miles (190 km ), 6 miles (9.7 km) wide and 12 miles (19 km) long. The watershed surrounding Lake George expands through 3,590 square miles (9,300 km ), lying within Ocala National Forest and Lake George State Forest , that protect an ecosystem dominated by pine and scrub more than 380,000 acres (1,500 km ) and 21,000 acres (85 km ) in size, respectively. Flatwoods forests dominate
14012-445: The summer months. Where the river widens between Palatka and Jacksonville, wind becomes a significant factor in navigation, and both whitecap waves and calm surface waters are common. Rain occurs more frequently in late summer and early fall. Tropical storms and nor'easters are common occurrences along the Atlantic coast of Florida; the St. Johns River lies between 10 and 30 miles (16 and 48 km) inland, so any storm striking
14136-399: The temperature dropped to 26° and precipitation changed from rain to sleet to snow, which lasted for several days. All the bridges in Jacksonville were impassable and closed for more than 24 hours, except for the original St. Elmo W. Acosta Bridge , which was first opened to traffic in 1921. Interstate 295 (Florida) Interstate 295 ( I-295 ), an auxiliary route of I-95 , is
14260-492: The upper basin. Wading and water birds like the white ibis ( Eudocimus albus ), wood stork ( Mycteria americana ), and purple gallinule ( Porphyrio martinicus ) depend on the water for raising their young: they prey upon small fish and tadpoles in shallow water and puddles in the dry season. In successful seasons, their colonies can number in the thousands, creating a cacophony of calls and fertilizing trees with their droppings. The river turns north again as it rolls through
14384-428: The water is directed to lakes, streams, and rivers. However, a significant amount of fresh water is held underground but close to the surface in aquifers . A surficial aquifer consisting mostly of clay, shells, and sand is over a confining layer of denser materials. Wells are drilled in the surficial aquifer, which supplies better quality water in areas where the deepest aquifer has a high mineral content. Occasionally
14508-433: The world" in a travel guide he published in 1876. The river gave Marjorie Kinnan Rawlings access to the St. Johns from her homestead at Orange Lake . The region served as a major fishing attraction until a decline in water quality occurred in the 1940s, and since then further degradation of the river and its sources have occurred. In particular, Lake Apopka earned the designation of Florida's most polluted lake following
14632-525: The year 2000, 3.5 million people lived within the various watersheds that feed into the St. Johns River. Starting in Brevard County and meeting the Atlantic Ocean at Duval County , the St. Johns is Florida's primary commercial and recreational waterway. It flows north from its headwaters, originating in the direction of the Lake Wales Ridge , which is only slightly elevated at 30 feet (9.1 m) above sea level. Because of this low elevation drop,
14756-419: Was altered to make way for agricultural and residential centers, suffering severe pollution and redirection that has diminished its ecosystem . The St. Johns, named one of 14 American Heritage Rivers in 1998, was number 6 on a list of America's Ten Most Endangered Rivers in 2008. Restoration efforts are underway for the basins around the St. Johns as Florida's population continues to increase. Historically,
14880-551: Was constructed in the 1970s, with the East Beltway being built from the 1980s to the 2000s. Beginning at the I-95 interchange in southeastern Duval as the West Beltway, the beltway travels west, passes through the Mandarin area with interchanges at Old St. Augustine Road, and SR 13 (San Jose Boulevard). It then travels along the three-mile-long (4.8 km) Buckman Bridge crossing the St. Johns River immediately south of Naval Air Station Jacksonville (NASJAX) and serves as
15004-446: Was detained after he returned to Europe. In 1564, René Goulaine de Laudonnière arrived to build Fort Caroline at the mouth of the St. Johns River; they called the river Rivière de Mai because they settled it on May 1. An artist named Jacques LeMoyne documented what he saw among the Timucuan people in 1564, portraying them as physically powerful and not lacking for provisions. Fort Caroline did not last long, though relations with
15128-536: Was made to place the bridge in Duval County , just north of the Clay County line. Construction began, but the first concrete pilings exploded days after they were poured. Investigation revealed that the heat generated from the curing concrete increased Anaerobic digestion by bacteria in the brackish water and generated methane gas. The engineers were forced to change their construction method. The bridge
15252-657: Was responsible for removing the Alachua Seminoles west of the Suwannee River , either killing them or forcing them farther south towards Lake County, in 1818. Jackson's efforts became the First Seminole War , and were rewarded by the naming of a cattle crossing across a wide portion of the St. Johns near the Georgia border—previously named Cowford—to Jacksonville. The result of Jackson's offensive
15376-481: Was the transfer of Florida to the U.S. Following the Seminole Wars, a gradual increase in commerce and population occurred on the St. Johns, made possible by steamship travel. Steamboats heralded a heyday for the river, and before the advent of local railroads, they were the only way to reach interior portions of the state. They also afforded the citizens of Jacksonville a pastime to watch competing races. By
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