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Rock Creek and Potomac Parkway

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The Rock Creek and Potomac Parkway , informally called the Rock Creek Parkway , is a parkway maintained by the National Park Service as part of Rock Creek Park in Washington, D.C. It runs next to the Potomac River and Rock Creek in a generally north–south direction, carrying four lanes of traffic from the Lincoln Memorial and Arlington Memorial Bridge north to a junction with Beach Drive near Connecticut Avenue at Calvert Street, N.W., just south of the National Zoological Park . During rush hours , the parkway is converted to one-way traffic corresponding to the peak direction of travel: southbound in the morning and northbound in the afternoon.

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73-561: The Parkway was listed on the National Register of Historic Places on May 4, 2005. Built from 1923 to 1936, it is "one of the best-preserved examples of the earliest stage of motor parkway development". The Parkway has two points of origination on its southern end, one at the traffic circle around the Lincoln Memorial , and the other at the intersection of Ohio Drive and Independence Avenue . The eastern portion of

146-494: A freeway , most notably limited access by ramp. The first interchange is with K Street Northwest , lying inside the newer Whitehurst Freeway / Potomac River Freeway interchange. Due to the partial nature of the interchange, some movements are made via Virginia Avenue instead. Just to the west, K Street crosses Rock Creek over the L Street Bridge , with the Whitehurst Freeway overhead and separate side bridges for

219-503: A grain elevator , a gazebo and a bridge. Objects are usually artistic in nature, or small in scale compared to structures and buildings. Although objects may be movable, they are generally associated with a specific setting or environment. Examples of objects include monuments, sculptures and fountains. Sites are the locations of significant events, which can be prehistoric or historic in nature and represent activities or buildings (standing, ruined, or vanished). When sites are listed, it

292-498: A reversible lane setup is used between Ohio Drive and Connecticut Avenue to permit all lanes to be used for the predominant direction of travel. The parkway first became one-way during rush hours on Valentine's Day 1938. The parkway is posted one-way southbound on weekdays from 6:45 a.m. to 9:30 a.m., and one-way northbound from 3:45 p.m. to 6:30 p.m., federal holidays excepted. The changeover requires four to five United States Park Police officers to travel

365-472: A National Register nomination, although historians and historic preservation consultants often are employed for this work. The nomination consists of a standard registration form (NPS 10-900) and contains basic information about a property's physical appearance and the type of significance embodied in the building, structure, object, site, or district. The State Historic Preservation Office (SHPO) receives National Register nominations and provides feedback to

438-575: A designated building. NRHP listing imposes no such restrictions, but rather is "primarily an honor", although tax subsidies may be available for renovations. France had about 43,600 monuments in 2015. Taft Bridge The Taft Bridge (also known as the Connecticut Avenue Bridge or William Howard Taft Bridge ) is a historic bridge located in the Northwest quadrant of Washington, D.C. It carries Connecticut Avenue over

511-594: A group known as The Arts of Peace . They were designed by James Earle Fraser and erected in 1951. After passing under the Roosevelt Bridge, the parkway passes the Kennedy Center for Performing Arts , including an at-grade intersection with F Street Northwest north of the building. Prior to the building of the Kennedy Center, New Hampshire Avenue ran to the parkway. Beyond F Street,

584-563: A historic district are united historically or aesthetically, either by choice or by the nature of their development. There are several other different types of historic preservation associated with the properties of the National Register of Historic Places that cannot be classified as either simple buildings or historic districts. Through the National Park Service, the National Register of Historic Places publishes

657-609: A narrow section of the existing bridge that then served as part of the bike path. In 1997, the Shoreline Trail section was repaved and realigned. National Register of Historic Places The National Register of Historic Places ( NRHP ) is the United States federal government 's official list of sites, buildings, structures, districts , and objects deemed worthy of preservation for their historical significance or "great artistic value". The enactment of

730-646: A policy developed early in its history. The United States Supreme Court ruled in the 1971 case Citizens to Preserve Overton Park v. Volpe that parklands could have the same protected status as " historic sites ". Listed properties are generally in one of five broad categories, although there are special considerations for other types of properties that in anyone, or into more specialized subcategories. The five general categories for National Register properties are: building, structure, site, district and object. In addition, historic districts consist of contributing and non-contributing properties. Buildings, as defined by

803-607: A series of bulletins designed to aid in evaluating and applying the criteria for evaluation of different types of properties. Although the criteria are always the same, the manner they are applied may differ slightly, depending upon the type of property involved. The National Register bulletins describe the application of the criteria for aids to navigation, historic battlefields, archaeological sites, aviation properties, cemeteries and burial places, historic designed landscapes , mining sites, post offices, properties associated with significant persons, properties achieving significance within

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876-521: Is common for drivers to illegally move them themselves. The study recommended discontinuing one-way operation and adding construction to reduce anticipated traffic backups. The National Park Service plans to begin collecting public feedback for its environmental assessment over the winter of 2024-25. The entire route is in Washington, D.C. . The Rock Creek Park Trail runs along the Parkway from

949-536: Is only an exception to the criteria that shape listings within the National Register of Historic Places. Of the eight "exceptions" [or criteria considerations], Consideration G, for properties that have achieved significance within the past fifty years, is probably the best-known, yet also misunderstood preservation principle in America. The National Register evaluation procedures do not use the term "exclusions". The stricter National Historic Landmarks Criteria, upon which

1022-528: Is required to "take into account the effect of the undertaking" on the National Register property, as well as to afford the ACHP a reasonable opportunity to comment. While Section 106 does not mandate explicitly that any federal agency director accept the advice of the ACHP, their advice has a practical influence, especially given the statutory obligations of the NHPA that require federal agencies to "take into account

1095-462: Is the locations themselves that are of historical interest. They possess cultural or archaeological value regardless of the value of any structures that currently exist at the locations. Examples of types of sites include shipwrecks , battlefields , campsites , natural features and rock shelters . Historic districts possess a concentration, association, or continuity of the other four types of properties. Objects, structures, buildings and sites in

1168-596: The Advisory Council on Historic Preservation (ACHP) has the most significant role by Section 106 of the National Historic Preservation Act. The section requires that the director of any federal agency with direct or indirect jurisdiction of a project that may affect a property listed or determined eligible for listing in the National Register of Historic Places must first report to the Advisory Council . The director of said agency

1241-579: The Advisory Council on Historic Preservation (ACHP), to confront adverse effects of federal activities on historic preservation. To administer the newly created National Register of Historic Places, the National Park Service of the U.S. Department of the Interior, with director George B. Hartzog Jr. , established an administrative division named the Federal Office of Archaeology and Historic Preservation (OAHP). Hartzog charged OAHP with creating

1314-727: The National Historic Landmarks designated before the Register's creation, as well as any other historic sites in the National Park System. Approval of the act, which was amended in 1980 and 1992, represented the first time the United States had a broad-based historic preservation policy. The 1966 act required those agencies to work in conjunction with the SHPO and an independent federal agency ,

1387-603: The National Historic Preservation Act (NHPA) in 1966 established the National Register and the process for adding properties to it. Of the more than one and a half million properties on the National Register, 95,000 are listed individually. The remainder are contributing resources within historic districts . For most of its history, the National Register has been administered by the National Park Service (NPS), an agency within

1460-569: The United States Department of the Interior . In February 1983, the two assistant directorates were merged to promote efficiency and recognize the interdependency of their programs. Jerry L. Rogers was selected to direct this newly merged associate directorate. He was described as a skilled administrator, who was sensitive to the need for the NPS to work with SHPOs, academia and local governments. Although not described in detail in

1533-467: The United States Department of the Interior . Its goals are to help property owners and interest groups, such as the National Trust for Historic Preservation , and coordinate, identify and protect historic sites in the United States. While National Register listings are mostly symbolic, their recognition of significance provides some financial incentive to owners of listed properties. Protection of

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1606-624: The 1966 act, SHPOs eventually became integral to the process of listing properties on the National Register. The 1980 amendments of the 1966 law further defined the responsibilities of SHPOs concerning the National Register. Several 1992 amendments of the NHPA added a category to the National Register, known as Traditional Cultural Properties: those properties associated with Native American or Hawaiian groups. The National Register of Historic Places has grown considerably from its legislative origins in 1966. In 1986, citizens and groups nominated 3,623 separate properties, sites and districts for inclusion on

1679-680: The District of Columbia eliminated the reversible peak-hour lane setup on Connecticut Avenue in 2020, the National Park Service began exploring a similar idea for Rock Creek Parkway. In 2024, a Department of Transportation study found that crashes are disproportionately higher during the one-way periods, due to the heavy traffic and antiquated construction of the parkway, and identified several other design and signage factors that contribute to driver confusion. The barricades preventing wrong-way entry are simple wooden sawhorses with signs attached so they can be moved easily; Park Police officers state it

1752-598: The Lincoln Memorial to Connecticut Avenue, where it continues along Beach Drive to Broad Branch Road. The trail continues north along Beach from Joyce Road to Bingham Drive. The Shoreline section along the Potomac is the oldest section of the trail, built before 1967. In 1971, the Park Service set aside a lane of the Parkway north of Virginia Avenue for a week to promote commuting by bicycle. The experiment

1825-571: The Lincoln Memorial traffic circle has been closed for several years, and there is no longer any easy access to the northbound parkway from that point. The Ohio Drive branch is now the main originating branch. Before the Theodore Roosevelt Bridge ( I-66 ) was built, Constitution Avenue ran to the parkway, with Ohio Drive ending at Constitution Avenue. The parkway's entrance is framed by two monumental statues, Music and Harvest and Aspiration and Literature , which together form

1898-585: The NPS history programs affiliated with both the U.S. National Park system and the National Register were categorized formally into two "Assistant Directorates". Established were the Assistant Directorate for Archeology and Historic Preservation and the Assistant Directorate for Park Historic Preservation. From 1978 until 1981, the main agency for the National Register was the Heritage Conservation and Recreation Service (HCRS) of

1971-643: The National Park Service, including National Historic Sites (NHS), National Historical Parks , National Military Parks /Battlefields, National Memorials and some National Monuments . There are also 35 listed sites in the three island countries with a Compact of Free Association with the United States, as well as one site in Morocco, the American Legation in Tangier . Listing in the National Register does not restrict private property owners from

2044-448: The National Register criteria are based, do specify exclusions, along with corresponding "exceptions to the exclusions", which are supposed to apply more narrowly. A multiple property submission (MPS) is a thematic group listing of the National Register of Historic Places that consists of related properties that share a common theme and can be submitted as a group. Multiple property submissions must satisfy certain basic criteria for

2117-686: The National Register program mandated by the 1966 law. Ernest Connally was the Office's first director. Within OAHP new divisions were created to deal with the National Register. The division administered several existing programs, including the Historic Sites Survey and the Historic American Buildings Survey , as well as the new National Register and Historic Preservation Fund . The first official Keeper of

2190-569: The National Register when they become administered by the National Park Service. These include National Historic Landmarks (NHL), National Historic Sites (NHS), National Historical Parks , National Military Parks , National Memorials , and some National Monuments . On October 15, 1966, the Historic Preservation Act created the National Register of Historic Places and the corresponding State Historic Preservation Offices (SHPO). The National Register initially consisted of

2263-601: The National Register, a total of 75,000 separate properties. Of the more than one and a half million properties on the National Register, 95,000 are listed individually. Others are listed as contributing members within historic districts . It is hereby declared to be the policy of the United States Government that special effort should be made to preserve the natural beauty of the countryside and public park and recreation lands, wildlife and waterfowl refuges, and historic sites. Any individual can prepare

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2336-530: The National Register, are distinguished in the traditional sense. Examples include a house, barn, hotel, church, or similar construction. They are created primarily to shelter human activity. The term building, as in outbuilding, can be used to refer to historically and functionally related units, such as a courthouse and a jail or a barn and a house. Structures differ from buildings in that they are functional constructions meant to be used for purposes other than sheltering human activity. Examples include an aircraft,

2409-460: The National Register. After the nomination is recommended for listing in the National Register by the SHPO, the nomination is sent to the National Park Service, which approves or denies the nomination. If approved, the property is entered officially by the Keeper of the National Register into the National Register of Historic Places. Property owners are notified of the nomination during the review by

2482-526: The National Register: religious properties (e.g., churches); buildings that have been moved; birthplaces or graves of important persons; cemeteries; reconstructed properties; commemorative properties (e.g., statues); and "properties that have achieved significance within the last fifty years". However, if they meet particular "Criteria Considerations" for their category in addition to the overall criteria, they are, in fact, eligible. Hence, despite

2555-548: The Register was William J. Murtagh , an architectural historian . During the Register's earliest years in the late 1960s and early 1970s, organization was lax and SHPOs were small, understaffed and underfunded. However, funds were still being supplied for the Historic Preservation Fund to provide matching grants-in-aid to listed property owners, first for house museums and institutional buildings, but later for commercial structures as well. In 1979,

2628-426: The Register, as well as those located in and contributing to the period of significance of National Register Historic Districts, became eligible for the federal tax benefits. Owners of income-producing properties listed individually in the National Register of Historic Places or of properties that are contributing resources within a National Register Historic District may be eligible for a 20% investment tax credit for

2701-683: The Rock Creek gorge, including Rock Creek and the Rock Creek and Potomac Parkway , connecting the neighborhoods of Woodley Park and Kalorama . It is named after former United States president and Supreme Court Chief Justice William Howard Taft , and sits to the southwest of the Duke Ellington Bridge . Four statues of lions by sculptor Roland Hinton Perry , known as the Perry Lions, are placed in pairs at both ends of

2774-527: The SHPO and state's historic review commission. If an owner objects to a nomination of private property, or in the case of a historic district, a majority of owners, then the property cannot be listed in the National Register of Historic Places. For a property to be eligible for the National Register of Historic Places, it must meet at least one of its four main criteria. Information about architectural styles , association with various aspects of social history and commerce and ownership are all integral parts of

2847-448: The bridge (each about 7 ft. x 6 ft. 6 in. x 13 ft.). Two of the lions rest on all fours with their heads tilted upwards and mouths slightly open while the other pair lie with their eyes closed, apparently sleeping. They were originally designed and sculpted by Roland Hinton Perry in 1906 out of cast concrete (the bridge as a whole is one of the first cast concrete bridges in the country) and were installed in 1907. In 1964

2920-543: The bridge is 274.5 meters (901 ft). It has been called an "engineering tour de force " and the largest unreinforced concrete structure in the world. In 1931, the bridge was renamed in honor of U.S. President William Howard Taft , who frequently walked the bridge while Chief Justice of the United States . During early planning for the Washington Metro in the 1960s, the Red Line was slated to run across

2993-506: The bridge to connect Dupont Circle and Woodley Park. Instead, the metro was built underground. Between 2010 and 2022, half of the 26 people in the District of Columbia who died as a result of suicide on bridges died on Taft Bridge. In 2023 the District Department of Transportation began planning for the installation of new safety barriers on Taft Bridge. The bridge is "guarded" by four large male lions , two on each end of

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3066-492: The bridge. On July 3, 2003, the Taft Bridge was added to the National Register of Historic Places . The Classical Revival bridge was built from 1897 to 1907. It was designed by engineer George S. Morison and architect Edward Pearce Casey. Construction was overseen by U.S. Army engineer Henry C. Newcomer . It is an arch bridge with unreinforced concrete arches and a reinforced concrete deck. The total length of

3139-457: The city in the late 1990s to oversee the production of the replacement lions that now sit on the bridge. The sculptor Reinaldo Lopez-Carrizo of Professional Restoration produced molds based on the existing sculptures and photographs, and used them to cast new concrete lion sculptures that were installed on the bridge in July and August 2000. The same molds were used to cast bronze lions installed at

3212-610: The creek on the Shoreham Hill Bridge . The end of the parkway is near an intersection with Beach Drive , which continues generally northward along the creek. A left turn from southbound Rock Creek Parkway provides access to Beach Drive from local roads. Just north of Beach Drive, the parkway again splits, with Cathedral Avenue heading northeast next to Beach Drive under the William H. Taft Bridge and Duke Ellington Bridge ( Connecticut Avenue and Calvert Street ), and

3285-401: The creek with no access. The Charles C. Glover Bridge carries Massachusetts Avenue over the parkway and creek. Access to and from the south is provided via Waterside Drive, which merges into the parkway at a Y interchange. To the north, Waterside Drive merges back into the parkway, providing for all movements but a southbound offramp. Soon after, the parkway again crosses to the west side of

3358-538: The effect of the undertaking". In cases where the ACHP determines federal action will have an "adverse effect" on historic properties, mitigation is sought. Typically, a Memorandum of Agreement (MOA) is created by which the involved parties agree to a particular plan. Many states have laws similar to Section 106. In contrast to conditions relating to a federally designated historic district, municipal ordinances governing local historic districts often restrict certain kinds of changes to properties. Thus, they may protect

3431-523: The forbidding language, these kinds of places are not actually excluded as a rule. For example, the Register lists thousands of churches. There is a misconception that there is a strict rule that a property must be at least 50 years old to be listed in the National Register of Historic Places. In reality, there is no hard rule. John H. Sprinkle Jr., deputy director of the Federal Preservation Institute, stated: [T]his "rule"

3504-401: The future. Thus, additions to an MPS can occur over time. The nomination of individual properties in an MPS is accomplished in the same manner as other nominations. The name of the "thematic group" denotes the historical theme of the properties. It is considered the "multiple property listing". Once an individual property or a group of properties is nominated and listed in the National Register,

3577-543: The group of properties to be included in the National Register. The process begins with the multiple property documentation form which acts as a cover document rather than the nomination to the National Register of Historic Places. The purpose of the documentation form is to establish the basis of eligibility for related properties. The information of the multiple property documentation form can be used to nominate and register related historic properties simultaneously, or to establish criteria for properties that may be nominated in

3650-480: The last fifty years, rural historic landscapes, traditional cultural properties and vessels and shipwrecks. Properties are not protected in any strict sense by the Federal listing. States and local zoning bodies may or may not choose to protect listed historic places. Indirect protection is possible, by state and local regulations on the development of National Register properties and by tax incentives. By contrast,

3723-542: The length of the parkway on motorcycle, manually placing barricades and cones and directing traffic. As each changeover takes 30 minutes, in practice the effective time of one-way operation is roughly two hours per day in each direction. The one-way arrangement has been criticized as confusing and unusual. (Full roadway reversals are rare in the United States; more common are individual reversible lanes, such as those found locally on Interstate 395 in Virginia) After

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3796-560: The lions were restored and weatherproofed by Washington-based sculptor Renato Luccetti , although this restoration proved to be less than entirely successful. When a major rehabilitation of the bridge began in 1993, the lions, which were in very bad condition, were removed for further restoration. They are currently stored in the Air Rights Tunnel on southbound I-395 . The sculptures were finally found to be beyond restoring. The United States Commission of Fine Arts worked with

3869-613: The main pedestrian entrance to the National Zoo farther north on Connecticut Avenue in 2002. The white lion in the lobby of the U.S. Commission of Fine Arts is a quarter-size replica from that effort. Twenty-four lampposts are equally spaced along both sides of the Taft Bridge. Created by sculptor Ernest Bairstow in 1906, the lampposts are composed of concrete bases (about 5 feet high, 8 inches deep and four feet wide) with painted iron lampposts (about 17 feet high and 4 wide) set in them. The pedestals are decorated with garland and

3942-835: The multiple property documentation form, combined with the individual National Register of Historic Places nomination forms, constitute a multiple property submission. Examples of MPS include the Lee County Multiple Property Submission , the Warehouses in Omaha , the Boundary Markers of the Original District of Columbia and the Illinois Carnegie Libraries . Before the term "Multiple Property Submission"

4015-797: The nine buildings included in the University of Connecticut Historic District in Storrs, Connecticut (listed in 1989, demolished in 2017), and the Terrell Jacobs Circus Winter Quarters in Peru, Indiana (listed in 2012, demolished in 2021). In France , designation of monument historique is similar to NRHP listing. In the French program, however, permanent restrictions are imposed upon designated monuments, for example requiring advance approval for any renovation of

4088-553: The nominating individual or group. After preliminary review, the SHPO sends each nomination to the state's historic review commission, which then recommends whether the State Historic Preservation Officer should send the nomination to the Keeper of the National Register . For any non-Federally owned property, only the State Historic Preservation Officer may officially nominate a property for inclusion in

4161-639: The nomination. Each nomination contains a narrative section that provides a detailed physical description of the property and justifies why it is significant historically with regard either to local, state, or national history. The four National Register of Historic Places criteria are the following: The criteria are applied differently for different types of properties; for instance, maritime properties have application guidelines different from those of buildings. The National Park Service names seven categories of properties that "are not usually considered for" and "ordinarily ... shall not be considered eligible for"

4234-403: The now-defunct Save America's Treasures grants, which apply specifically to properties entered in the Register with national significance or designated as National Historic Landmarks . The NHPA did not distinguish between properties listed in the National Register of Historic Places and those designated as National Historic Landmarks concerning qualification for tax incentives or grants. This

4307-474: The parkway becoming 24th Street Northwest at Calvert Street, with easy access to Connecticut Avenue. Cathedral Avenue is one-way at the same times as the parkway. Beach Drive continues as a two-lane road parallel to Rock Creek, enters a tunnel under a hill, passes the National Zoo , and continues towards Maryland . Trucks and other commercial vehicles are barred from the parkway. During rush hours ,

4380-540: The parkway runs past the Watergate building ; there it intersects Virginia Avenue , which provides easy access to and from the Potomac River Freeway (I-66) . The Potomac River sweeps to the west at approximately this point; the parkway continues along its rough north–south path and instead parallels the small Potomac tributary of Rock Creek. Past Virginia Avenue, the parkway has many characteristics of

4453-463: The preservation of income-producing historic properties. The National Park Service was given the responsibility to ensure that only rehabilitations that preserved the historic character of a building would qualify for federal tax incentives. A qualifying rehabilitation is one that the NPS deems consistent with the Secretary of the Interior's Standards for Rehabilitation. Properties and sites listed in

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4526-792: The properties that were demolished or otherwise destroyed after their listing are the Jobbers Canyon Historic District in Omaha, Nebraska (listed in 1979, demolished in 1989), Pan-Pacific Auditorium in Los Angeles, California (listed in 1978, destroyed in a fire in 1989), Palace Amusements in Asbury Park, New Jersey (listed in 2000, demolished in 2004), The Balinese Room in Galveston, Texas (listed in 1997, destroyed by Hurricane Ike in 2008), seven of

4599-475: The property is not guaranteed. During the nomination process, the property is evaluated in terms of the four criteria for inclusion on the National Register of Historic Places. The application of those criteria has been the subject of criticism by academics of history and preservation, as well as the public and politicians. A property listed in the National Register, or located within a National Register Historic District , may qualify for tax incentives derived from

4672-498: The property more than a National Register listing does. The Department of Transportation Act , passed on October 15, 1966, the same day as the National Historic Preservation Act, included provisions that addressed historic preservation. The DOT Act is much more general than Section 106 NHPA in that it refers to properties other than those listed in the Register. The more general language has allowed more properties and parklands to enjoy status as protected areas by this legislation,

4745-409: The ramps to and from the northbound Parkway. After K Street, the parkway crosses Rock Creek, paralleling it to the west for a while. Pennsylvania Avenue crosses over the parkway and the creek on a combined bridge , with a single-loop ramp from the southbound parkway to Pennsylvania Avenue eastbound. Just to the north, M Street Northwest crosses the parkway and creek together, with no access between

4818-615: The rehabilitation of the historic structure. The rehabilitation may be of a commercial, industrial, or residential property, for rentals. The tax incentives program is operated by the Federal Historic Preservation Tax Incentives program, which is managed jointly by the National Park Service, individual State Historic Preservation Offices and the Internal Revenue Service . Some property owners may also qualify for grants, like

4891-468: The roads. Further north, P Street Northwest crosses the parkway and creek, with ramps from P Street to the parkway northbound and southbound and from the southbound parkway to P Street. Just after crossing under P Street, the parkway crosses to the east side of the creek on the Bridge near P Street , and a northbound onramp from P Street merges. It passes under Q Street Northwest 's Dumbarton Bridge over

4964-413: The state of Colorado, for example, does not set any limits on owners of National Register properties. Until 1976, federal tax incentives were virtually non-existent for buildings on the National Register. Before 1976 the federal tax code favored new construction rather than the reuse of existing, sometimes historical, structures. In 1976, the tax code was altered to provide tax incentives that promote

5037-514: The total value of expenses incurred in preserving the property. Properties can be nominated in a variety of forms, including individual properties, historic districts and multiple property submissions (MPS). The Register categorizes general listings into one of five types of properties: district, site, structure, building or object. National Register Historic Districts are defined geographical areas consisting of contributing and non-contributing properties. Some properties are added automatically to

5110-418: The use of their property. Some states and municipalities, however, may have laws that become effective when a property is listed in the National Register. If federal money or a federal permitting process is involved, Section 106 of the National Historic Preservation Act of 1966 is invoked. Section 106 requires the federal agency involved to assess the effect of its actions on historic resources. Statutorily,

5183-472: Was a success, but caused traffic jams, so the Park Service paved bridle paths immediately to the west that had existed since the park was founded. The trail was extended in September 1971 to Calvert Street, and then 2 miles (3.2 km) to Bluff Bridge in 1972. In 1981-82, the parkway bridge over Rock Creek at L Street was replaced and as part of that project, a separate trail bridge was built. It replaced

5256-501: Was deliberate, as the authors of the act had learned from experience that distinguishing between categories of significance for such incentives caused the lowest category to become expendable. Essentially, this made the Landmarks a kind of "honor roll" of the most significant properties of the National Register of Historic Places. As of 1999, 982 properties have been removed from the Register, most often due to being destroyed. Among

5329-671: Was introduced in 1984, such listings were known as "Thematic Resources", such as the Operating Passenger Railroad Stations Thematic Resource , or "Multiple Resource Areas". A listing on the National Register of Historic Places is governmental acknowledgment of a historic district, site, building, or property. However, the Register is mostly "an honorary status with some federal financial incentives". The National Register of Historic Places automatically includes all National Historic Landmarks as well as all historic areas administered by

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