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110-538: The Great Wicomico is a small tidal tributary on the western shore of the Chesapeake Bay . It is fed by the freshwater Crabbe Mill Stream and Bush Mill Stream. The Great Wicomico flows into a trap-type estuary on Ingram Bay, with a history of significant natural spat settlement and seed oyster production. Oyster production is risky, given the high risk of disease. There are three sentinel sites present. The reefs were constructed in 1996 and 1998. The western shore of

220-509: A buffer zone between the left and center lanes was created. As a result, motorists can no longer switch between the left and center lanes, whether or not two-way operations are in effect. Two-way traffic may occur on the eastbound span during overnight roadwork or during emergency situations that close the westbound span, on which two-way traffic is more common. When the MDTA closes either span for overnight roadwork, it implements two-way traffic on

330-626: A distinctive white Cadillac convertible flying huge American and Maryland flags. On November 9, 1967, the bridge was dedicated to Governor Lane, who had died earlier that year, and officially renamed the "William Preston Lane Jr. Memorial Bridge". In 1967, due to increasing traffic volume, the Maryland General Assembly authorized three possible new crossings, all suggested during the 1964 Chesapeake Bay crossing study . These included one further north near Baltimore , one in southern Maryland , and an additional span to be added to

440-644: A number of species, adding oxygen to the water and improving water clarity." Other vegetation that makes its home in other parts of the bay are wild rice , various trees like the red maple , loblolly pine and bald cypress , and spartina grass and phragmites . Invasive plants have taken a significant foothold in the bay. Plants such as Phragmites, Purple loosestrife and Japanese stiltgrass have established high levels of permanency in Chesapeake wetlands. Additionally, plants such as Brazilian waterweed , native to South America, have spread to most continents with

550-677: A task force being formed to investigate the possibility of building a third span. The bridge is often confused with the Chesapeake Bay Bridge–Tunnel , a bridge–tunnel linking the Eastern Shore of Virginia with the Hampton Roads region and the rest of Virginia . It is possible that studies may have been conducted as early as the 1880s into the possibility of a bridge across the Chesapeake Bay. However,

660-776: A village location at the bay's mouth." The Chesapeake Bay is an estuary to the North Atlantic, lying between the Delmarva Peninsula to the east and the North American mainland to the west. It is the ria , or drowned valley, of the Susquehanna River , meaning that it was the alluvial plain where the river flowed when the sea level was lower. It is not a fjord , because the Laurentide Ice Sheet never reached as far south as

770-639: Is 11,684 miles (18,804 km), circumnavigating a surface area of 4,479 square miles (11,601 km ). Average depth is 21 feet (6.4 m), reaching a maximum of 174 feet (53 m). The bay is spanned twice, in Maryland by the Chesapeake Bay Bridge from Sandy Point (near Annapolis ) to Kent Island and in Virginia by the Chesapeake Bay Bridge–Tunnel connecting Virginia Beach to Cape Charles . Known for both its beauty and bounty,

880-541: Is a near threatened species that inhabits the wetlands. Larger fish such as Atlantic sturgeon , varieties of sharks, and stingrays visit the Chesapeake Bay. The waters of the Chesapeake Bay have been regarded as one of the most important nursery areas for sharks along the east coast. Megafaunas such as bull sharks , tiger sharks , scalloped hammerhead sharks , and basking sharks and manta rays are also known to visit. Smaller species of sharks and stingrays that are known to be regular to occasional residents in

990-479: Is a growing industry in the bay. Oyster aquaculture is passive in that the bay provides all the natural oyster food needed, making it an environmentally friendly practice in contrast to other kinds of fish farming. Oyster farms provide jobs as well as a natural effort for filtering excess nutrients from the water in an effort to reduce the effects of eutrophication pollution (too much algae). The Chesapeake Bay Program promotes oyster restoration projects to reduce

1100-414: Is a main feature for tourists who visit Maryland and Virginia each year. Fishing, crabbing, swimming, boating, kayaking, and sailing are extremely popular activities enjoyed on the waters of the Chesapeake Bay. As a result, tourism has a notable impact on Maryland's economy. One report suggested that Annapolis was an appealing spot for families, water sports and boating. Commentator Terry Smith spoke about

1210-415: Is approximately 20 miles (32 km) long; it has trestle bridges as well as two stretches of two-mile-long (3.2 km) tunnels that allow unimpeded shipping; the bridge is supported by four 5.25-acre (21,200 m ) man-made islands. The Chesapeake Bay Bridge – Tunnel was opened for two lanes in 1964 and four lanes in 1999. Tides in the Chesapeake Bay exhibit an interesting and unique behavior due to

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1320-663: Is approximately 200 miles (320 km) long from its northern headwaters in the Susquehanna River to its outlet in the Atlantic Ocean. It is 2.8 miles (4.5 km) wide at its narrowest (between Kent County's Plum Point near Newtown in the east and the Harford County western shore near Romney Creek) and 30 miles (48 km) at its widest (just south of the mouth of the Potomac River which divides Maryland from Virginia). Total shoreline including tributaries

1430-671: Is the largest estuary in the United States. The bay is located in the Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula , including parts of the Eastern Shore of Maryland , the Eastern Shore of Virginia , and the state of Delaware . The mouth of the bay at its southern point is located between Cape Henry and Cape Charles . With its northern portion in Maryland and

1540-724: The Claiborne–Annapolis Ferry Company added a new route, one running from Annapolis to Matapeake , a significantly shorter distance. The auto and passenger ferries were taken over by the State Roads Commission in 1941 (reorganized into today's State Highway Administration of the Maryland Department of Transportation in 1973). Two years later, the commission moved the western terminus of the old Annapolis–Matapeake ferry to Sandy Point (later adjacent to Sandy Point State Park ), shortening

1650-467: The Washington, D.C. , area. The bridge is busy and often congested with traffic , particularly during peak hours and summer months. The bridge's role in transportation was filled by ferries before the first span's construction. The bridge has fostered the state's economic growth, particularly of Queen Anne's County and Ocean City. Further expansion of the bridge has been discussed since 2004, with

1760-521: The "Across the Bay 10K". The inaugural event occurred November 9, 2014. The Race Director is Dave McGillivray , who has served in that capacity for the BAA Boston Marathon since 1988. The Across the Bay 10K has several charity beneficiaries, including bay research, bay restoration, and breast cancer research. The IRONMAN Foundation took over the race's organization in 2016. In 2019, the race

1870-770: The "Battle of the Capes", Cape Charles and Cape Henry ) in 1781, during which the French fleet defeated the Royal Navy in the decisive naval battle of the American Revolutionary War . The French victory enabled General George Washington and his French allies under the Comte de Rochambeau to march down from New York and bottle up a British army under Lord Cornwallis from the North and South Carolinas at

1980-414: The 1930s. Ferries were used as the main mode of transportation across the bay from the colonial period until the completion of the 1952 bridge. The first service ran from Annapolis to Broad Creek on Kent Island , roughly where the bridge is today. In 1919, the Claiborne–Annapolis Ferry Company began running ferries between Annapolis and Claiborne , a community near St. Michaels . In July 1930,

2090-652: The 52nd Governor of Maryland launched its construction in the late 1940s after decades of political indecision and public controversy. The bridge is part of U.S. Route 50 (US 50) and US 301 , and serves as a vital link in both routes. As part of cross-country US 50, it connects the Baltimore–Washington Metropolitan Area with Ocean City, Maryland , Rehoboth Beach, Delaware , and other coastal tourist destinations. As part of US 301, it serves as part of an alternative route for Interstate 95 travelers, between northern Delaware and

2200-515: The Atlantic Ocean near Norfolk, Virginia , and the capes of Charles and Henry , there is a distinct semi-diurnal tide throughout the lunar month, with small amplitude modulations during spring (new/full moon) vs. neap (one/three quarter moon) tidal periods. The main forcing of the CBBT tides are typical, semi-diurnal ocean tides that the East Coast of the United States experiences. Baltimore, in

2310-594: The Baltimore–Washington suburbs has led Queen Anne's County to be listed as part of the Baltimore–Washington Metropolitan Area . The bridge has also given easier access to Ocean City from the Western Shore, which has caused Ocean City to grow from a small town to one that is said to become the second largest city in Maryland during the summer. In 1948, the impending completion of the bridge gave rise to an extension of US 50 to Ocean City. The route

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2420-547: The Bay Bridge Commuter Plan paid $ 2.10 (raised from $ 1 on July 1, 2013). Tolls were collected in both directions until April 1989, when tolls were doubled and only collected in the Eastbound direction. All-electronic tolling began on May 12, 2020, with tolls payable through E-ZPass or Video Tolling , which uses automatic license plate recognition . The MDTA previously provided transportation across

2530-831: The British landed on the west side of the Patuxent at Benedict, Maryland , the Chesapeake Flotilla was scuttled, and the British trekked overland to rout the U.S. Army at Bladensburg and burn the U.S. Capitol in August 1814. A few days later in a "pincer attack", they also sailed up the Potomac River to attack Fort Washington below the National Capital and raided the nearby port town of Alexandria, Virginia . There were so-called " Oyster Wars " in

2640-438: The CBBT site) this can be seen as a lowest intertidal range. Two interesting points that arise from comparing these two sites at opposite ends of the bay are their tidal characteristics - semi-diurnal tide for CBBT and mixed tide for Baltimore (due to resonance in the bay) - and the differences in amplitude (due to dissipation in the bay). The bay is well-known for its seafood, especially blue crabs , clams , and oysters . In

2750-568: The Chesapeake Bay Trust in support of the bay. The first walk was held in 1975, when a Towson Boy Scout leader asked Governor Marvin Mandel if his troop could walk across the bridge during maintenance. The annual walk was canceled for the first time in 1980 due to poor weather conditions, and later saw frequent cancellations throughout the 2000s. During this period the walk was canceled in: Following its cancellation in 2005,

2860-573: The Chesapeake Bay between the Rappahannock River and the Great Wicomico River is generally low with no prominent features. Dolphins are occasionally sighted in the river estuary. The Dameron Marsh area near the river mouth is said to be a good area for fishing, especially stripers and trout and Spanish mackerel during the summer months. Large numbers of menhaden afflicted with lesions are periodically caught in

2970-464: The Chesapeake Bay include shad , cobia , croaker , and redfish , winter flounder , and summer flounder . Recently, non-native blue catfish have proliferated in tributaries like the James River and may be moving to other areas of the bay. A commercial fishery exists for menhaden , too oily for human consumption but instead used for bait, fish oil, and livestock feed. The Chesapeake Bay

3080-680: The Chesapeake Bay ;... I planned to spend my days boating, eating as many Chesapeake Bay blue crabs as possible and making a little study of Eastern Shore locals. For city folk like me, they're interesting, even exotic –the weather-beaten crabbers and oystermen called "watermen," gentlemen-farmers and sharecroppers, boat builders, antiques dealers – all of whom sound like Southerners with mouthfuls of marbles when they talk. — Susan Spano, Los Angeles Times , 2008 The Chesapeake Bay plays an extremely important role in Maryland, Virginia, and Pennsylvania's economies, in addition to

3190-509: The Governor William Preston Lane, Jr. Memorial Bridge) between the state capital of Annapolis, Maryland and Matapeake on the Eastern Shore , crossing Kent Island , was constructed 1949–1952. A second, parallel, span was added in 1973. The Chesapeake Bay Bridge–Tunnel , connecting Virginia's Eastern Shore with its mainland (at the metropolitan areas of Virginia Beach , Norfolk , Portsmouth , and Chesapeake ),

3300-545: The Great Wicomico, and a fish kill of at least 100,000 was observed by scientists in September, 2001. The Great Wicomico River Light was a screwpile lighthouse erected in 1889 at the mouth of the Great Wicomico River. The original structure was deactivated in 1967; the lighthouse superstructure was dismantled and replaced with an automated skeleton tower mounted on the original pile foundation. In September 2015

3410-663: The MDTA considered decreasing the annual frequency of the event, citing traffic, fiscal, manpower, and security concerns. The most recent event (held in 2006) cost over $ 350,000, and the cost estimate for 2012 was almost $ 400,000. In late 2011, a non-profit group, the Greater Washington Sports Alliance (GWSA), approached the MDTA Capital Committee to propose sponsoring the event, along with a concert at Sandy Point State Park, at no cost to

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3520-603: The MDTA. While the Capital Committee unanimously recommended that the MDTA Board approve the proposal contingent upon an agreement between the GWSA and the MDTA, the 2012 event was ultimately cancelled. After increasingly consistent cancellations of the walking event, the MDTA, along with Queen Anne's County , contracted with an outside company to have a professional 10K race across the bridge, which has been labeled

3630-491: The United States. Several weather-related incidents have caused complete closures of the bridge. The bridge has been closed four times due to extreme weather. The first time was September 18, 2003, during Hurricane Isabel and its high winds. On August 27, 2011, the bridge was closed to all traffic due to the impact of Hurricane Irene . Then-Governor Martin O'Malley ordered the bridge closed when sustained winds exceeded 55 miles per hour (89 km/h). On October 29, 2012,

3740-515: The aforementioned 1973 completion of the second Bay Bridge span, the extension of the US ;50 freeway eastward to the US 50/US 301 split in Queenstown , and the construction of a freeway bypass around the north side of Salisbury in 2002. Additionally, the road has been upgraded and realigned over the years from its original two-lane configuration to a four-lane divided highway , with

3850-427: The amount of nitrogen compounds entering the bay. The bay is famous for its rockfish, a regional name for striped bass . Once on the verge of extinction, rockfish have made a significant comeback because of legislative action that put a moratorium on rockfishing, which allowed the species to re-populate. Rockfish can now be fished in strictly controlled and limited quantities. Other popular recreational fisheries in

3960-518: The area now known as South Hampton Roads in the U.S. state of Virginia. They occupied an area that is now the Norfolk, Portsmouth, Chesapeake, and Virginia Beach areas. In 2005, Algonquian linguist Blair Rudes "helped to dispel one of the area's most widely held beliefs: that 'Chesapeake' means something like 'great shellfish bay'. It does not, Rudes said. The name might have actually meant something like 'great water', or it might have just referred to

4070-460: The assertion that it was as far north as the Chesapeake; most place it in present-day Georgia 's Sapelo Island . In 1573, Pedro Menéndez de Márquez , the governor of Spanish Florida, conducted further exploration of the Chesapeake. In 1570, Spanish Jesuits established the short-lived Ajacan Mission on one of the Chesapeake tributaries in present-day Virginia. The arrival of English colonists under Sir Walter Raleigh and Humphrey Gilbert in

4180-441: The bay and its tributaries, which contain sea grasses that are part of the manatee's diet. Loggerhead turtles are known to visit the bay. The Chesapeake Bay is also home to a diverse flora, both land and aquatic. Common submerged aquatic vegetation includes eelgrass and widgeon grass . A report in 2011 suggested that information on underwater grasses would be released, because "submerged grasses provide food and habitat for

4290-555: The bay at some point during the year or live there year-round. There are over 300 species of fish and numerous shellfish and crab species. Some of these include the Atlantic menhaden , striped bass , American eel , eastern oyster , Atlantic horseshoe crab , and the blue crab . Birds include ospreys , great blue herons , bald eagles , and peregrine falcons , the last two of which were threatened by DDT ; their numbers plummeted but have risen in recent years. The piping plover

4400-726: The bay between 1607 and 1609, resulting in the publication in 1612 back in the British Isles of "A Map of Virginia" . Smith wrote in his journal: "Heaven and earth have never agreed better to frame a place for man's habitation." The Captain John Smith Chesapeake National Historic Trail , the first designated "all-water" National Historic Trail in the US, was established in 2006 by the National Park Service . The trail follows

4510-432: The bay has become "emptier", with fewer crabs, oysters and watermen (fishermen) since the mid-20th century. Nutrient pollution and urban runoff have been identified as major components of impaired water quality in the bay stressing ecosystems and compounding the decline of shellfish due to overharvesting . Restoration efforts that began in the 1990s have continued into the 21st century and show potential for growth of

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4620-409: The bay include the smooth dogfish , spiny dogfish , cownose ray , and bonnethead . Bottlenose dolphins are known to live seasonally/yearly in the bay. There have been unconfirmed sightings of humpback whales in recent years. Endangered North Atlantic right whale and fin , and minke and sei whales have also been sighted within and in the vicinity of the bay. A male manatee visited

4730-453: The bay several times between 1994 and 2011, even though the area is north of the species' normal range. The manatee, recognizable due to distinct markings on its body, was nicknamed "Chessie" after a legendary sea monster that was allegedly sighted in the bay during the 20th century. The same manatee has been spotted as far north as Rhode Island , and was the first manatee known to travel so far north. Other manatees are occasionally seen in

4840-736: The bay to cool its reactor. The Chesapeake Bay forms a link in the Intracoastal Waterway , of the bays, sounds and inlets between the off-shore barrier islands and the coastal mainland along the Atlantic coast connecting the Chesapeake and Delaware Canal (linking the bay to the north and the Delaware River ) with the Albemarle and Chesapeake Canal (linking the bay, to the south, via the Elizabeth River , by

4950-525: The bay's beauty: The water is glassy, smooth and gorgeous, his wake white against the deep blue. That's the problem with the Chesapeake. It's so damned beautiful. One account suggested how the Chesapeake attracts people: You see them everywhere on Maryland's Eastern Shore, the weekend sailors. They are unmistakable with their deep tans, their baggy shorts, their frayed polo shirts, their Top-Siders worn without socks. Some may not even own their own boats, much less win regattas, but they are inexorably drawn to

5060-417: The bay's dead zones were estimated to kill 75,000 tons of bottom-dwelling clams and worms each year, weakening the base of the estuary's food chain and robbing the blue crab in particular of a primary food source. Crabs are sometimes observed to amass on shore to escape pockets of oxygen-poor water, a behavior known as a "crab jubilee". Hypoxia results in part from large algal blooms , which are nourished by

5170-532: The bay, especially the Calvert County, Maryland , coastline, are lined by cliffs composed of deposits from receding waters millions of years ago. These cliffs, generally known as Calvert Cliffs , are famous for their fossils , especially fossilized shark teeth, which are commonly found washed up on the beaches next to the cliffs. Scientists' Cliffs is a beach community in Calvert County named for

5280-492: The bay. It is presumed that the Chesapeake Bay was once inhabited by Paleoindians 11,000 years ago. For thousands of years, Native American societies lived in villages of wooden longhouses close to water bodies where they fished and farmed the land. Agricultural products included beans, corn, tobacco, and squash. Villages often lasted between 10 and 20 years before being abandoned due to local resources such as firewood running out or soil depleting. To produce enough food, labor

5390-533: The bay. The salinity ranges from 1.87% to 3.6%. (3.6% is as salty as the ocean.) The climate of the area surrounding the bay is primarily humid subtropical , with hot, very humid summers and cold to mild winters. Only the area around the mouth of the Susquehanna River is continental in nature, and the mouth of the Susquehanna River and the Susquehanna flats often freeze in winter. It is rare for

5500-467: The bay. Water that was once clear for meters is now so turbid that a wader may lose sight of his feet while his knees are still dry. Chesapeake Bay Bridge The Gov. William Preston Lane Jr. Memorial Bridge (informally called the Chesapeake Bay Bridge and, locally, the Bay Bridge ) is a major dual-span bridge in the U.S. state of Maryland . Spanning the Chesapeake Bay , it connects

5610-480: The bridge due to the length of the bridge and its lack of shoulders . The MDTA will stop two-way traffic if westbound delays pile up, at which point westbound traffic will be prioritized. Any time contraflow traffic is implemented on either of the bridges, the speed limit for the contraflow lane is reduced to 40 mph while the other lanes remain at 50 mph. MDTA Police will momentarily stop traffic for MDTA crews to reposition traffic cones and barrels to close off

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5720-550: The bridge for nervous drivers , but that role is now filled by private companies. While there are no pedestrian facilities on the bridge, the Bay Bridge Walk and Governor's Bay Bridge Run used to afford an opportunity to cross the bridge on foot, usually on the first Sunday in May. The events took place on the eastbound span, which was closed to vehicles while two-way traffic shared the westbound span. Participants started on

5830-654: The bridge was closed due to the effects of Hurricane Sandy . On March 6, 2013, during the March 2013 nor'easter , high winds again caused the bridge to be closed. On August 10, 2008, a tractor trailer involved in a head-on collision near the west end fell from the bridge; the driver died in the crash. The incident highlighted concern that the bridge may not be structurally safe, but the Maryland Transportation Authority (MDTA) discounted any structural or engineering problems with it. Inspections of

5940-563: The bridge was expected to increase by 40% by 2025. The following year, a task force formed by Governor Bob Ehrlich met to again explore the possibility of establishing a new Chesapeake Bay crossing. The task force concluded that a bridge would be the best option for an additional crossing, and four geographic locations for such a bridge were explored: Anne Arundel County to Queen Anne's County (the existing location), Baltimore County to Kent County, Anne Arundel or Calvert County to Talbot County, and Calvert County to Dorchester County. In late 2006,

6050-402: The bridge's five lanes can be adjusted via its lane control system, which consists of overhead lane control signals on both spans and approaches. Typically, the two lanes on the south-most span are configured for vehicles traveling east on eastbound US 50/US 301, while the three lanes on the north-most span are configured for vehicles traveling west on westbound US 50/US 301;

6160-660: The cities of Norfolk and Portsmouth to the Albemarle Sound and Pamlico Sound in North Carolina and further to the Sea Islands of Georgia). A busy shipping channel (dredged by the U.S. Army Corps of Engineers since the 1850s) runs the length of the bay, is an important transit route for large vessels entering or leaving the Port of Baltimore , and further north through the Chesapeake and Delaware Canal to

6270-480: The course of each river. The bay's geology, its present form, and its very location were created by a bolide impact event at the end of the Eocene (about 35.5 million years ago), forming the Chesapeake Bay impact crater and much later the Susquehanna River valley. The bay was formed starting about 10,000 years ago when rising sea levels at the end of the last ice age flooded the Susquehanna River valley. Parts of

6380-713: The cross-bay trip. A 1938 proposal by the Maryland General Assembly was the first to call for a bridge at the Sandy Point–Kent Island location. Although the legislation authorizing the new bridge passed, the involvement of the United States in World War II delayed the bridge's construction. In 1947, with the war over, the Assembly, under the leadership of Maryland Governor William Preston Lane Jr. , (1892–1967), passed legislation directing

6490-416: The crossovers are during two-way traffic operations. MDTA crews will no longer have to manually open and close the crossovers for two-way traffic operations. The MDTA has used traffic cones and barrels to open and close crossovers, and to create tapers for the reversible lane. When two-way traffic is implemented, the MDTA momentarily stops traffic to reposition traffic cones and barrels to taper traffic into

6600-571: The depth of the bay is 21 feet (6.4 m), including tributaries; over 24 percent of the bay is less than 6 ft (2 m) deep. Because the bay is an estuary, it has fresh water, salt water and brackish water. Brackish water has three salinity zones: oligohaline, mesohaline, and polyhaline . The freshwater zone runs from the mouth of the Susquehanna River to north Baltimore . The oligohaline zone has very little salt. Salinity varies from 0.5  ppt (parts per thousand) to 10 ppt, and freshwater species can survive there. The north end of

6710-403: The desire to create a retreat for scientists when the community was founded in 1935. Much of the bay is shallow. At the point where the Susquehanna River flows into the bay, the average depth is 30 feet (9 m), although this soon diminishes to an average of 10 feet (3 m) southeast of the city of Havre de Grace, Maryland , to about 35 feet (11 m) just north of Annapolis. On average,

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6820-499: The development of the skipjack (such as the Helen Virginia ), the state boat of Maryland, which is the only remaining working boat type in the United States still under sail power. Other characteristic bay-area workboats include sail-powered boats such as the log canoe , the pungy , the bugeye , and the motorized Chesapeake Bay deadrise , the state boat of Virginia. In addition to harvesting wild oysters, oyster farming

6930-541: The east end of the bridge (on Kent Island) and proceeded west to the finish near the toll plaza. WMATA and MTA transit buses transported participants between outlying parking areas and the start and finish points. The run, a 10K race across the bridge, is held early in the morning before the walk. It is conducted by the Annapolis Striders, a local running organization, and controlled by the MDTA and Maryland Department of Natural Resources . Proceeds went to

7040-463: The eastbound bridge. The MDTA is replacing lane control signals on both bridges with those that have flashing strobe lights to indicate a lane closure or a lane with contraflow traffic, and is installing an automated gate system on the bridge to allow quicker implementation of two-way traffic on the bridge. The automated gate system will reduce traffic congestion when implementing two-way traffic. Illuminated pavement markings will be installed to show where

7150-912: The ecosystem. The nature-based recreation of wildlife, boating, and ecotourism are dependent on enforcement of the Clean Water Act (CWA), which regulates pollutant discharges and supports related pollution control programs. In 2006, "roughly eight million wildlife watchers spent $ 636 million, $ 960 million, and $ 1.4 billion in Maryland, Virginia, and Pennsylvania" according to the Chesapeake Bay Foundation . In colonial times, simple cooking techniques were used to create one pot meals like ham and potato casserole , clam chowder, or stews with common ingredients like oysters, chicken or venison. When John Smith landed in Chesapeake in 1608, he wrote: "The fish were so thick, we attempted to catch them with frying pans". Common regional ingredients in

7260-567: The entirety of the bay in about 3.3 days; by 1988 this time had increased to 325 days. The harvest's gross value decreased 88% from 1982 to 2007. One report suggested the bay had fewer oysters in 2008 than 25 years earlier. The primary problem is overharvesting . Lax government regulations allow anyone with a license to remove oysters from state-owned beds, and although limits are set, they are not strongly enforced. The overharvesting of oysters has made it difficult for them to reproduce, which requires close proximity to one another. A second cause for

7370-406: The exception of the number of lanes on each (two on the original span and three on the newer span) and differences owing to the design standards for the periods in which they were built, the spans are structurally similar. Both were designed by J. E. Greiner Company , which later became a part of AECOM through the company's acquisition of URS Corporation . Each span features: Traffic patterns on

7480-411: The existing bridge from Kent Island to Sandy Point; ultimately, the third option was chosen. Construction of the new parallel span began in 1969 to the north of the original bridge, and it was completed on June 28, 1973. Because of its height, the narrowness of the spans (there are no hard shoulders), the low guardrails, and the frequency of high winds, it is often cited as one of the scariest bridges in

7590-542: The first known proposal came about in 1907 and called for a crossing between Baltimore and Tolchester Beach . In 1927, local businesspeople were authorized to finance the construction of a Baltimore to Tolchester Beach crossing. Plans for the new bridge were made, but construction was canceled following the Wall Street Crash of 1929 with the collapse of the American economy and resulting Great Depression of

7700-408: The geometry of the bay permits for a resonant period of 1.46 days. A good example of how the different Chesapeake Bay sites experience different tides can be seen in the tidal predictions published by the National Oceanographic and Atmospheric Administration (NOAA) (see figure at right). At the Chesapeake Bay Bridge–Tunnel (CBBT) site, which lies at the southernmost point of the bay where it meets

7810-446: The habitat for much of the bay's animal life. Beds of eelgrass , the dominant variety in the southern Chesapeake Bay, have shrunk by more than half there since the early 1970s. Overharvesting, pollution, sedimentation and disease have turned much of the bay's bottom into a muddy wasteland. The principal sources of nutrient pollution in the bay are surface runoff from farms, as well as runoff from urban and suburban areas. About half of

7920-458: The help of aquarium owners, who often dump the contents of their aquariums into nearby lakes and streams. It is highly invasive and has the potential to flourish in the low-salinity tidal waters of the Chesapeake Bay. Dense stands of Brazilian waterweed can restrict water movement, trap sediment and affect water quality. Various local K-12 schools in the Maryland and Virginia region often have programs that cultivate native bay grasses and plant them in

8030-466: The last such section being in Vienna , bypassed in 1991. Previous plans to expand US 50's freeway portion and replace the aging Harry W. Kelley Memorial Bridge into Ocean City have been delayed. The bridge is often the site of suicides by jumpers. As of 1995, more than 75 people had committed suicide during the bridge's 43-year existence. In December 2004, a study concluded that traffic across

8140-583: The late 16th century to found a colony, later settled at Roanoke Island (off the present-day coast of North Carolina ) for the Virginia Company , marked the first time that the English approached the gates to the Chesapeake Bay between the capes of Cape Charles and Cape Henry . Three decades later, in 1607, Europeans again entered the bay. Captain John Smith of England explored and mapped

8250-524: The late 19th and early 20th centuries. Until the mid-20th century, oyster harvesting rivaled the crab industry among Chesapeake watermen, a dwindling breed whose skipjacks and other workboats were supplanted by recreational craft in the latter part of the century. In the 1960s, the Calvert Cliffs Nuclear Power Plant on the historic Calvert Cliffs in Calvert County on the Western Shore of Maryland began using water from

8360-540: The leadership of a central chief. In 1524, Italian explorer Giovanni da Verrazzano , (1485–1528), in service of the French crown , (famous for sailing through and thereafter naming the entrance to New York Bay as the " Verrazzano Narrows ", including now in the 20th century, a suspension bridge also named for him ) sailed past the Chesapeake, but did not enter the bay. Spanish explorer Lucas Vásquez de Ayllón sent an expedition out from Hispaniola in 1525 that reached

8470-407: The left lane leading up to the bridge in the event of inclement weather during contraflow traffic. Operated by the MDTA, the bridge has a one-way toll (eastbound) of $ 4.00 for two-axle vehicles; vehicles with a Maryland E-ZPass pay $ 2.50. Previously the bridge had a one-way (eastbound) toll of $ 6.00 for two-axle vehicles (raised from $ 4 on July 1, 2013); vehicles with E-ZPass that were enrolled in

8580-450: The local cuisine of Chesapeake included terrapins , smoked hams, blue crab, shellfish, local fish, game meats and various species of waterfowl. Blue crab continues to be an especially popular regional specialty. In the 1970s, the Chesapeake Bay was found to contain one of the planet's first identified marine dead zones , where waters were so depleted of oxygen that they were unable to support life, resulting in massive fish kills . In 2010

8690-544: The marine ecosystem. The word Chesepiooc is an Algonquian word referring to a village 'at a big river'. It is the seventh-oldest surviving English placename in the United States, first applied as Chesepiook by explorers heading north from the Roanoke Colony into a Chesapeake tributary in 1585 or 1586. The name may also refer to the Chesapeake people or the Chesepian, a Native American tribe who inhabited

8800-472: The middle of the 20th century, the bay supported 9,000 full-time watermen, according to one account. Today, the body of water is less productive than it used to be because of runoff from urban areas (mostly on the Western Shore) and farms (especially on the Eastern Shore and in the Susquehanna River watershed), over-harvesting, and invasion of foreign species . The plentiful oyster harvests led to

8910-522: The mouths of the Chesapeake and Delaware Bays . It may have been the first European expedition to explore parts of the Chesapeake Bay, which the Spaniards called "Bahía de Santa María" ("Bay of St. Mary") or "Bahía de Madre de Dios."("Bay of the Mother of God") De Ayllón established a short-lived Spanish mission settlement, San Miguel de Gualdape , in 1526 along the Atlantic coast . Many scholars doubt

9020-414: The native oyster population. The health of the Chesapeake Bay improved in 2015, marking three years of gains over a four-year period. Slight improvements in water quality were observed in 2021, compared to indicators measured in 2020. The bay is experiencing other environmental concerns, including climate change which is causing sea level rise that erodes coastal areas and infrastructure and changes to

9130-591: The nature of the topography (both horizontal and vertical shape), wind-driven circulation, and how the bay interacts with oceanic tides. Research into the peculiar behavior of tides both at the northern and southern extents of the bay began in the late 1970s. One study noted sea level fluctuations at periods of 5 days, driven by sea level changes at the bay's mouth on the Atlantic coast and local lateral winds, and 2.5 days, caused by resonant oscillations driven by local longitudinal winds, while another study later found that

9240-407: The northern portion of the bay, experiences a noticeable modulation to form its mixed tidal nature during spring vs. neap tides. Spring tides, when the sun-earth-moon system forms a line, cause the largest tidal amplitudes during lunar monthly tidal variations. In contrast, neap tides, when the sun-earth-moon system forms a right angle, are muted, and in a semi-diurnal tidal system (such as that seen at

9350-409: The northernmost point on the bay. North of Baltimore , the western shore borders the hilly Piedmont region of Maryland; south of the city the bay lies within the state's low-lying coastal plain , with sedimentary cliffs to the west, and flat islands, winding creeks and marshes to the east. The large rivers entering the bay from the west have broad mouths and are extensions of the main ria for miles up

9460-536: The nutrient pollutant loads in the bay are generated by manure and poultry litter. Extensive use of lawn fertilizers and air pollution from motor vehicles and power plants are also significant nutrient sources. One particularly harmful source of toxicity is Pfiesteria piscicida , which can affect both fish and humans. Pfiesteria caused a small regional panic in the late 1990s when a series of large blooms started killing large numbers of fish while giving swimmers mysterious rashes; nutrient runoff from chicken farms

9570-411: The nutrients phosphorus and nitrogen . The algae prevents sunlight from reaching the bottom of the bay while alive and deoxygenates the bay's water when it dies and rots. Soil erosion and runoff of sediment into the bay, exacerbated by devegetation, construction and the prevalence of pavement in urban and suburban areas, also block vital sunlight. The resulting loss of aquatic vegetation has depleted

9680-531: The old State Roads Commission to begin construction. Ground was broken in January 1949, and after a 3 + 1 ⁄ 2 -year construction project, the bridge opened to traffic on July 30, 1952, as both the longest continuous over-water steel structure, and the third longest bridge in the world. Before the opening, a parade of vehicles made the first official crossing, led by then current Governor Theodore Roosevelt McKeldin , (1900–1974), and other state officials in

9790-608: The oligohaline zone is north Baltimore and the south end is the Chesapeake Bay Bridge. The mesohaline zone has a medium amount of salt and runs from the Bay Bridge to the mouth of the Rappahannock River . Salinity there ranges from 1.07% to 1.8%. The polyhaline zone is the saltiest zone, and some of the water can be as salty as sea water. It runs from the mouth of the Rappahannock River to the mouth of

9900-403: The oyster depletion is that the drastic increase in human population caused a sharp increase in pollution flowing into the bay. The bay's oyster industry has also suffered from two diseases: MSX and Dermo . The depletion of oysters has had a particularly harmful effect on the quality of the bay. Oysters serve as natural water filters, and their decline has further reduced the water quality of

10010-517: The ports of Wilmington and Philadelphia on the Delaware River . During the later half of the 19th century and the first half of the 20th century, the bay was plied by passenger steamships and packet boat lines connecting the various cities on it, notably the Baltimore Steam Packet Company ("Old Bay Line"). In the later 20th century, a series of road crossings were built. One, the Chesapeake Bay Bridge (also known as

10120-742: The remaining structure was removed. Today, a lighthouse-shaped folly , not recognized as a navigational aid, marks the entrance of the river in Fleeton . Several wrecks are located in the Ingram Bay in the mouth of the rivers; of note are the Davidson , Old Texas and San Marcos wrecks. State Route 200 crosses the river several kilometres from the mouth near the Athena Vineyards and Winery. Chesapeake Bay The Chesapeake Bay ( / ˈ tʃ ɛ s ə p iː k / CHESS -ə-peek )

10230-436: The reversible lane. MDTA Police then escort traffic across the bridge in the reversible lane. The MDTA will not implement two-way traffic in certain weather conditions, including excess precipitation and high winds. The MDTA may stop all traffic when the wind speed exceeds 55 mph. Two-way traffic on the bridge requires all associated signage and systems to be operational. The MDTA has to monitor two-way traffic operations on

10340-531: The route of Smith's historic 17th-century voyage. Because of economic hardships and civil strife in the "Mother Land", there was a mass migration of southern English Cavaliers and their servants to the Chesapeake Bay region between 1640 and 1675, to both of the new colonies of the Province of Virginia and the Province of Maryland . The Chesapeake Bay was the site of the Battle of the Chesapeake (also known as

10450-562: The runoff of residential, farm and industrial waste throughout the watershed. A 2010 report criticized Amish farmers in Pennsylvania for raising cows with inadequate controls on the manure that they generate. Farms in Lancaster County, Pennsylvania generate large quantities of manure that washes into tributaries of the bay. The pollution entering the bay has multiple components that contribute to algal blooms, principally

10560-623: The siege of Battle of Yorktown in Yorktown, Virginia . Their marching route from Newport, Rhode Island through Connecticut, New York State, Pennsylvania, New Jersey and Delaware to the "Head of Elk" by the Susquehanna River along the shores and also partially sailing down the bay to Virginia . It is also the subject of a designated National Historic Trail as the Washington–Rochambeau Revolutionary Route . The bay would again see conflict during War of 1812 . During

10670-507: The southern part in Virginia , the Chesapeake Bay is a very important feature for the ecology and economy of those two states, as well as others surrounding within its watershed. More than 150 major rivers and streams flow into the bay's 64,299-square-mile (166,534 km ) drainage basin , which covers parts of six states ( New York , Pennsylvania , Delaware , Maryland, Virginia, and West Virginia ) and all of Washington, D.C. The bay

10780-460: The span that remains open. During eastbound span closure, two-way traffic operates on the westbound span with the center lane closed. In January 2020, Governor Larry Hogan announced that the tollbooths on the eastbound side of bridge were being removed in preparation for all-electronic tolling on the Kent Island side of the eastbound bridge. The merged lanes tie directly into the two lanes on

10890-403: The spans are therefore referred to as the "eastbound span" and "westbound span", respectively. However, this pattern is adjusted during incidents or peak travel times: for instance, on the outset of weekends when there is a high volume of beach-bound traffic, one lane on the westbound span is configured for eastbound traffic. In 2006, pink markers were placed along the eastbound span to mark out

11000-418: The state's rural Eastern Shore region with its urban and suburban Western Shore, running between Stevensville and Sandy Point State Park near the capital city of Annapolis . The original span, opened in 1952 and with a length of 4 miles (6.4 km), was the world's longest continuous over-water steel structure. The parallel span was added in 1973. The bridge is named for William Preston Lane Jr. , who as

11110-472: The suggested following distance, similar to systems used in Minnesota and Pennsylvania . The markers are a part of the MDTA's "Pace Your Space" campaign to prevent vehicle collisions and traffic congestion due to tailgating on the bridge. In April 2013, changes were made to increase safety on the westbound span during two-way operations: signs, pavement markings, and rumble strips were modified, and

11220-470: The surface of the bay to freeze in winter, something that happened most recently in the winter of 1976–77. The Chesapeake Bay is the end point of over 150 rivers and streams. The largest rivers flowing directly into the bay, in order of discharge, are: For more information on Chesapeake Bay rivers, see the List of Chesapeake Bay rivers . The Chesapeake Bay is home to numerous fauna that either migrate to

11330-441: The task force released a report on the study but did not make a final recommendation; members of the task force requested additional time to continue the study. In 2020, it was announced that 11 of 14 potential sites for a third span had been rejected by the Maryland Transportation Authority following a $ 5 million study into the impacts of an additional span. Significant environmental and economic impacts were identified, with

11440-697: The two spans of the bridge form the longest fixed water crossing in Maryland. The bridge's western terminus is in Sandy Point State Park , located northeast of Annapolis in Anne Arundel County , and its eastern terminus is in Stevensville on Kent Island in Queen Anne's County . The two spans are relatively similar in height, with the older span at 354 feet (108 m) and the newer span at 379 feet (116 m). With

11550-711: The wall in the weeks following the accident revealed that there was deterioration in the form of corrosion of the steel reinforcements inside barriers; this prompted immediate repairs to the wall. On June 24, 2024, traffic on both spans was suspended for nearly 30 minutes in late morning as the cargo ship MV Dali passed under, escorted by tugboats , on its journey from the Port of Baltimore to Virginia International Gateway in Norfolk, VA . The Dali had collided with Baltimore 's Francis Scott Key Bridge on March 26, leading to that bridge's collapse . With shore-to-shore lengths of 3.83 and 4.03 miles (6.16 and 6.49 km),

11660-448: The year of 1813, from their base on Tangier Island , British naval forces under the command of Admiral George Cockburn raided several towns on the shores of the Chesapeake, treating the bay as if it were a "British Lake". The Chesapeake Bay Flotilla , a fleet of shallow-draft armed barges under the command of U.S. Navy Commodore Joshua Barney , was assembled to stall British shore raids and attacks. After months of harassment by Barney,

11770-409: Was blamed for the growth. While the bay's salinity is ideal for oysters and the oyster fishery was at one time the bay's most commercially viable, the population has in the last fifty years been devastated. Maryland once had roughly 200,000 acres (810 km ) of oyster reefs. In 2008 there were about 36,000 acres (150 km ). It has been estimated that in pre-colonial times, oysters could filter

11880-576: Was divided with men hunting while the women supervised the village's farming. All village members took part in the harvesting of fish and shellfish from the local bodies of water. As time went on, communities around the Chesapeake Bay formed confederations such as the Powhatan , the Piscataway , and the Nanticoke . Each of these confederations consisted of a collection of smaller tribes falling under

11990-646: Was extended along the corridor of Maryland Route 404 (MD 404) and a large portion of US 213 , cutting both of those routes back. During the 1950s, US 50 on the Western Shore was rerouted onto the long-proposed Annapolis–Washington Expressway (now known as the John Hanson Highway), which was built at the time in order to provide better access to the bridge. As the Eastern Shore, particularly Ocean City, grew, further upgrades and realignments of US 50 took place. This work included

12100-468: Was held virtually due to maintenance on the bridge. Since its construction, the bridge has made significant impacts on both sides of the bay; among them has been the growth of Eastern Shore communities. When the bridge opened in 1952, and again when the second span was added in 1973, the Eastern Shore was given easier access to Baltimore and Washington , causing areas in southern Queen Anne's County to develop as bedroom communities . This extension of

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