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The Pennsylvania Avenue Bridge was a crossing of the
Anacostia River The Anacostia River is a river in the Mid Atlantic region of the United States. It flows from Prince George's County in Maryland into Washington, D.C., where it joins with the Washington Channel to empty into the Potomac River at Buzzard Point. ...
in
Washington, DC ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan ...
at the site of the present
John Philip Sousa Bridge The John Philip Sousa Bridge, also known as the Sousa Bridge and the Pennsylvania Avenue Bridge, is a continuous steel plate girder bridge that carries Pennsylvania Avenue SE across the Anacostia River in Washington, D.C., in the United States ...
. It was constructed in 1890 and demolished around 1939.


Description

The 1890 Pennsylvania Avenue Bridge was slightly upstream from the location of an earlier 1815 bridge. It had two northwestern abutments made of stone, both of which rose above the low-water mark. The single southwestern abutment was made of compacted earth covered with stone slabs. There were nine piers in the river itself, each made of
brownstone Brownstone is a brown Triassic–Jurassic sandstone that was historically a popular building material. The term is also used in the United States and Canada to refer to a townhouse clad in this or any other aesthetically similar material. Type ...
masonry and rising above the low-water mark. Because
bedrock In geology, bedrock is solid Rock (geology), rock that lies under loose material (regolith) within the crust (geology), crust of Earth or another terrestrial planet. Definition Bedrock is the solid rock that underlies looser surface mater ...
could not be located in the riverbed, the piers rested on
pilings A deep foundation is a type of foundation (architecture), foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. A pile or piling is a ...
and grillage. The substructure of the bridge consisted of iron Pegram trusses. On the northwestern side of the bridge, the trusses from the shore to the first and second abutments were above the bridge, so as not to interfere with the passage of the B&PR trains below the bridge. The other trusses were all slung below the bridge. Each of the 10 trusses over the piers was long and painted dark red. They had a clearance of just over the high-water mark. The roadway was just wide, and consisted of
oak An oak is a tree or shrub in the genus ''Quercus'' (; Latin "oak tree") of the beech family, Fagaceae. There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably ''L ...
planks over iron beams. Unlike the previous bridges, there was no draw span. A watchman's hut was constructed near the northwestern terminus. Because of the concern that pedestrians might interfere with vehicular traffic, causing carriages to drive off the bridge and land on the railway tracks below, a wooden fence was erected on the first two city-side spans to separate the carriageway and pedestrian walkway. For the rest of the bridge, a timber
curb A curb (North American English), or kerb (Commonwealth English except Canada; see spelling differences), is the edge where a raised sidewalk or road median/central reservation meets a street or other roadway. History Although curbs have ...
separated the two paths. The edges of the bridge had a ornamental iron fence to keep people or carriages from falling into the river.
Coal gas Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system. It is produced when coal is heated strongly in the absence of air. Town gas is a more general term referring to manufactured gaseous ...
-lit lampposts providing lighting along the bridge. Fences lined the side of the roadway on the southwestern abutment to prevent carriages from driving off the embankment. The bridge was served on its city-side by Pennsylvania Avenue. Although the avenue was paved only to within of the bridge, cement sidewalks on both sides of the avenue provided improved pedestrian access to the bridge. Kentucky Avenue SE, which met Pennsylvania Avenue SE just before the bridge, was graded prior to the bridge's dedication. East of the river, the state of Maryland constructed a new road along the old Upper Marlboro Turnpike to link to Pennsylvania Avenue SE. To many observers, however, the bridge seemed isolated. There were no homes close to either end of the structure, and the area on east side was mostly
goat The goat or domestic goat (''Capra hircus'') is a domesticated species of goat-antelope typically kept as livestock. It was domesticated from the wild goat (''C. aegagrus'') of Southwest Asia and Eastern Europe. The goat is a member of the a ...
pasture Pasture (from the Latin ''pastus'', past participle of ''pascere'', "to feed") is land used for grazing. Pasture lands in the narrow sense are enclosed tracts of farmland, grazed by domesticated livestock, such as horses, cattle, sheep, or swine ...
, farms, and
clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4). Clays develop plasticity when wet, due to a molecular film of water surrounding the clay par ...
bottom land. The nearest
streetcar A tram (called a streetcar or trolley in North America) is a rail vehicle that travels on tramway tracks on public urban streets; some include segments on segregated right-of-way. The tramlines or networks operated as public transport are ...
line was more than away, although area streetcar companies were hoping to build a rail line over the new Pennsylvania Avenue Bridge to serve the area.


History

No bridge connected the east and west ends of Pennsylvania Avenue SE over the Anacostia River between 1845 and 1890. Benning Bridge, erected upstream in 1805, and the
11th Street Bridges The 11th Street Bridges are a complex of three bridges across the Anacostia River in Washington, D.C., United States. The bridges convey Interstate 695 across the Anacostia to its southern terminus at Interstate 295 and DC 295. The bridges a ...
, built downstream in 1820, also carried vehicular and foot traffic over the Ancostia. But the Uniontown "suburb" was
plat In the United States, a plat ( or ) (plan) is a cadastral map, drawn to scale, showing the divisions of a piece of land. United States General Land Office surveyors drafted township plats of Public Lands Surveys to show the distance and bear ...
ted in the Anacostia area in 1854, and development slowly began to turn the agricultural land into businesses and residences. The destruction of the Eastern Branch Bridge in 1846, however, significantly slowed growth in the area for five decades. The first push for a new bridge connecting the two sides of Pennsylvania Avenue occurred in 1870. The effort was led by John S. Gallaher, an auditor for the Commissioner of Pensions in the
United States Department of the Interior The United States Department of the Interior (DOI) is one of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C. It is responsible for the mana ...
. He had the support of Lieutenant R.M. Hall, assistant quartermaster in the U.S. Army, and Army Colonel Henry Naylor. Hall's idea was for a large and beautiful bridge, one which would also carry large pipes of fresh water to the eastern part of the city. The area of the city east of the Anacostia suffered extensively from lack of fresh water, and Hall called for extending the
Washington Aqueduct The Washington Aqueduct is an aqueduct that provides the public water supply system serving Washington, D.C., and parts of its suburbs, using water from the Potomac River. One of the first major aqueduct projects in the United States, the Aquedu ...
east of the river. A large reservoir would be constructed atop the Washington Heights (near what is now the intersection of Good Hope Road SE and Alabama Avenue SE) to receive this water, and the flow of gravity would inexpensively deliver it to homes throughout the area. But Hall's idea was opposed by the citizens of Uniontown, who feared the loss of retail and carriage trade. Hall abandoned the proposal, and moved away in 1872.


Formation of the East Washington Citizen's Association

About 1871, a real estate development known as "East Washington Heights" began. Intended to be a "suburb" of "the city" catering to wealthy individuals, it never took off. Nevertheless, citizens in the areas that would later become
Dupont Park Dupont Park is a residential neighborhood located in southeast Washington, D.C. It is bounded by Fort Dupont Park to the north, Pennsylvania Avenue SE to the south, Branch Avenue to the west, and Fort Davis Park to the east. The neighborhood ci ...
,
Fairfax Village Fairfax Village is a small neighborhood of garden apartments and townhouses located in southeast Washington, D.C. in the Hillcrest area. It is bound by Alabama Avenue SE to the northwest, Pennsylvania Avenue Pennsylvania Avenue is a diagonal ...
, Fort Davis, Hillcrest,
Penn Branch Penn Branch is a neighborhood in Washington, D.C. (southeast), Southeast Washington, D.C., east of the Anacostia River. It is bounded by Pennsylvania Avenue (Washington, D.C.), Pennsylvania Avenue SE to the south; Pope Branch Park and Pope Creek ...
, and
Randle Highlands Randle Highlands is a neighborhood in Southeast Washington, D.C., east of the Anacostia River. History Born in 1859, Colonel Arthur E. Randle was a late nineteenth and early twentieth-century real estate developer, who earned some recognition ...
wanted a bridge to reconnect "their" Pennsylvania Avenue (which ran through the center of their neighborhoods) with the Pennsylvania Avenue "in the city". Initially, the citizens of "East Washington" were primarily interested in issues like more clean water, better roads, and improved sewers. On January 31, 1879, they formed the East Washington Citizen's Association (EWCA) to lobby for action. But building a new bridge over the Anacostia River only slowly became an issue for them, and it was not until 1875 that the EWCA began agitating for one. A new bridge, the EWCA pointed out, would save residents of East Washington in travel every time they visited the city center on the other side of the river.


Legislative efforts to authorize a bridge

On February 19, 1886, the EWCA formed a committee to lobby the Commissioners of the District of Columbia (the city government) and Congress on the issue. Later that year, Representative
Barnes Compton Barnes Compton (November 16, 1830 – December 2, 1898) was a Representative of the fifth congressional district of Maryland and a Treasurer of Maryland. Early life Barnes Compton was born on November 16, 1830 in Port Tobacco, Charles County, ...
( D-
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
) introduced legislation in Congress to build a $60,000 bridge of wood on wooden piers. The bill was co-sponsored in the
House of Representatives House of Representatives is the name of legislative bodies in many countries and sub-national entitles. In many countries, the House of Representatives is the lower house of a bicameral legislature, with the corresponding upper house often c ...
by Representative Jonathan H. Rowell ( R-
Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...
), and received significant political support from key representatives such as
William W. Morrow William W. Morrow (July 15, 1843 – July 24, 1929) was a United States representative from California, a United States district judge of the United States District Court for the Northern District of California and a United States Circuit Judge ...
(R-
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
), Philip S. Post (R-Illinois), Archibald M. Bliss (D-
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
), and
Louis E. McComas Louis Emory McComas (October 28, 1846 – November 10, 1907) was an American attorney, politician, and jurist who served as a member of both branches of the United States Congress and as an associate justice of the Supreme Court of the District o ...
(R-
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean to ...
). Companion legislation was introduced in the
Senate A senate is a deliberative assembly, often the upper house or chamber of a bicameral legislature. The name comes from the ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior (Latin: ''senex'' meaning "the el ...
by Senator
John James Ingalls John James Ingalls (December 29, 1833August 16, 1900) was an American Republican politician who served as a United States senator from Kansas. Ingalls is credited with suggesting the state motto and designing the state seal. Life and career John ...
(R-
Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to the ...
) and Senator Joseph C.S. Blackburn, and strongly supported by influential Senators
Preston B. Plumb Preston Bierce Plumb (October 12, 1837December 20, 1891) was a United States senator from Kansas, as well as an officer in the Union Army during the American Civil War. Biography Born in Delaware County, Ohio, at 9 his family removed to Marysv ...
(R-Kansas) and
Isham G. Harris Isham Green Harris (February 10, 1818July 8, 1897) was an American politician who served as the 16th governor of Tennessee from 1857 to 1862, and as a U.S. senator from 1877 until his death. He was the state's first governor from West Tennessee. ...
(D-
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to th ...
). But the Compton bill was strongly opposed by the D.C. Commissioners. The legislation required that the city pay half the cost of the structure, and Commissioner Samuel E. Wheatley led the city government in adamantly refusing to support the bill. Some time prior to May 27, 1886, Captain F.A. Mahan, U.S. Army Corps of Engineers assistant to the Commissioners, drew up new plans for the bridge. The unanimity of the D.C. Commissioners was broken on April 1, 1886, when Colonel William Ludlow replaced Major Garrett J. Lydecker in city government. A group of EWCA members now began personally lobbying Congress for the bridge. This group consisted of George Francis Dawson, newspaperman; A.F. Sperry, as former newspaperman and now a
United States Department of War The United States Department of War, also called the War Department (and occasionally War Office in the early years), was the United States Cabinet department originally responsible for the operation and maintenance of the United States Army, a ...
clerk; M.I. Weller, owner of Weller & Repetti realtors; J.W. Babson, editor of the gazette of the
U.S. Patent Office The United States Patent and Trademark Office (USPTO) is an agency in the U.S. Department of Commerce that serves as the national patent office and trademark registration authority for the United States. The USPTO's headquarters are in Alexa ...
; and Duncan Thompson, resident of the area. The EWCA lobbyists met personally with the D.C. Commissioners on December 5, 1886, to urge their support for the project. Most of the congressional lobbying was done by Weller, who personally testified before the House Committee on the District of Columbia and the Senate Committee on the District of Columbia.
Samuel Taylor Suit Samuel Taylor Suit (1832–1888) was a Maryland politician and landowner. Suit was born in Bladensburg, Maryland, the son of innkeeper Fielder Suit. At age 14 he left home and traveled first to Keokuk, Iowa, and then to Louisville, Kentucky. In Ken ...
, a state senator in the Maryland legislature, won passage of a resolution by that state supporting the bridge. These efforts proved highly successful. Senator Blackburn and Representative Rowell won a $40,000 increase in the amount appropriated for the bridge, and inserted language into the bill requiring that it be constructed of iron and be set on stone piers. This legislation passed both chambers of Congress unanimously on February 23, 1887.


Construction and dedication of the bridge

Construction of the new bridge began in November 1887. Complications arose when the
Baltimore and Potomac Railroad The Baltimore and Potomac Railroad (B&P) operated from Baltimore, Maryland, southwest to Washington, D.C., from 1872 to 1902. Controlled by the Pennsylvania Railroad, it was the second railroad company to connect the nation's capital to the Nor ...
(B&PR), whose tracks ran along the north/eastern shore of the Anacostia River, sued the federal government. The B&PR argued that the bridge abutment encroached on its
right-of-way Right of way is the legal right, established by grant from a landowner or long usage (i.e. by prescription), to pass along a specific route through property belonging to another. A similar ''right of access'' also exists on land held by a gov ...
, and that the bridge was too low over its tracks. The case dragged through the courts for a year, until finally a court ruling resolved the issue: The railroad agreed to move its tracks closer to the riverbank, and the federal government paid for the move. However, this required that a second overland span be created on the northwestern side of the bridge at an additional cost. Colonel
Peter Conover Hains Peter Conover Hains (July 6, 1840 – November 7, 1921) was a major general in the United States Army, and a veteran of the American Civil War, Spanish–American War, and the First World War. He is best known for his engineering efforts, such a ...
of the Army Corps of Engineers asked for an additional sum of $50,000 in 1888. Legislation sponsored by Representative Rowell increased this amount to $60,000, and the legislation passed both houses of Congress unanimously on May 14, 1888. But yet more construction delays occurred. Due to the heavily silted bottom of the river, the Army Corps of Engineers could not find solid ground on which to build the bridge's piers and abutments. A
cofferdam A cofferdam is an enclosure built within a body of water to allow the enclosed area to be pumped out. This pumping creates a dry working environment so that the work can be carried out safely. Cofferdams are commonly used for construction or re ...
was constructed and extensive excavation and investigation of the riverbed occurred before the second abutment on the northwestern side could be sited. The riverbottom also played havoc with siting and sinking of the piers for the bridge. A major flood in 1888 damaged some of the work, and caused further delays. On May 21, 1889, President
Benjamin Harrison Benjamin Harrison (August 20, 1833March 13, 1901) was an American lawyer and politician who served as the 23rd president of the United States from 1889 to 1893. He was a member of the Harrison family of Virginia–a grandson of the ninth pr ...
appointed John Watkinson Douglass and Lemon Galpin Hine to the D.C. Commission to replace Wheatley and William Benning Webb, whose terms had expired. The new commissioners and their new assistant engineer, Captain Thomas W. Symons, were highly enthusiastic about the new bridge. The new Pennsylvania Avenue Bridge, as it became known, was complete in June 1890. The EWCA decided, however, to delay the bridge's formal dedication and opening until August 25, which was the anniversary of the 1805 bridge's destruction in the War of 1812. The new bridge's dedication was a major event in the history of Washington, D.C. Some 8,000 to 10,000 people attended the event, which included a half-hour artillery salute from the U.S. Army's Light Battery A, a parade from
Capitol Hill Capitol Hill, in addition to being a metonym for the United States Congress, is the largest historic residential neighborhood in Washington, D.C., stretching easterly in front of the United States Capitol along wide avenues. It is one of the ...
to the bridge's northwestern terminus, a
regatta Boat racing is a sport in which boats, or other types of watercraft, race on water. Boat racing powered by oars is recorded as having occurred in ancient Egypt, and it is likely that people have engaged in races involving boats and other wate ...
, and
fireworks Fireworks are a class of Explosive, low explosive Pyrotechnics, pyrotechnic devices used for aesthetic and entertainment purposes. They are most commonly used in fireworks displays (also called a fireworks show or pyrotechnics), combining a l ...
. The
United States Marine Band The United States Marine Band is the premier band of the United States Marine Corps. Established by act of Congress on July 11, 1798, it is the oldest of the United States military bands and the oldest professional musical organization in the ...
, conducted by John Philip Sousa, provided music throughout the afternoon and evening. The EWCA also hosted a
barbecue Barbecue or barbeque (informally BBQ in the UK, US, and Canada, barbie in Australia and braai in South Africa) is a term used with significant regional and national variations to describe various cooking methods that use live fire and smoke t ...
, in which three ox were roasted and 4,000 loaves of bread used to feed the crowd roast ox sandwiches. The total cost of the bridge was $170,000.


Economic effects of the 1890 bridge

Construction of the 1890 bridge led to extensive new development east of the river. As the bridge was being built in 1889, a consortium known as the Bliss-Havemeyer Syndicate (which included Representative Archibald Bliss,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
state bed manufacturer Erwin C. Carpenter, Representative
Thomas J. Clunie Thomas Jefferson Clunie (March 25, 1852 – June 30, 1903) was an American lawyer and politician who served one term as a U.S. Representative from California from 1889 to 1891. Biography Clunie was born in St. John's, Newfoundland on March 25, ...
, Senator and railroad attorney
Chauncey Depew Chauncey Mitchell Depew (April 23, 1834April 5, 1928) was an American attorney, businessman, and Republican politician. He is best remembered for his two terms as United States Senator from New York and for his work for Cornelius Vanderbilt, as ...
, Senator
George Hearst George Hearst (September 3, 1820 – February 28, 1891) was an American businessman, miner, and politician. After growing up on a small farm in Missouri, he founded many mining operations, and is known for developing and expanding the Hom ...
, and sugar refining magnate John W. Havemeyer) purchased of land in the former East Washington Heights development. They built a number of roads in the area, and landscaped the plots along Pennsylvania Avenue SE, Alabama Avenue SE, and Branch Avenue SE with gardens, orchards,
pavilion In architecture, ''pavilion'' has several meanings: * It may be a subsidiary building that is either positioned separately or as an attachment to a main building. Often it is associated with pleasure. In palaces and traditional mansions of Asia ...
s, and shade trees. Bliss constructed the Overlook Inn at 31st Street SE and Pennsylvania Avenue SE, a
hotel A hotel is an establishment that provides paid lodging on a short-term basis. Facilities provided inside a hotel room may range from a modest-quality mattress in a small room to large suites with bigger, higher-quality beds, a dresser, a ref ...
and
supper club A supper club is a traditional dining establishment that also functions as a social club. The term may describe different establishments depending on the region, but in general, supper clubs tend to present themselves as having a high-class image ...
that became very popular with city residents. On June 18, 1898, Congress chartered the East Washington Heights Traction Company to provide streetcar service in the new development. The company was authorized to build a new railroad bridge over the Anacostia River parallel to the Pennsylvania Avenue Bridge. Congress required is streetcars to run from Barney Circle across the bridge to Pennsylvania Avenue SE, down Pennsylvania Avenue SE to the District border with Maryland. A branch line would travel south from Pennsylvania Avenue SE along Branch Avenue, and then southwest at Bowen Road (now Alabama Avenue SE) to the intersection with Harrison Street (now Good Hope Road SE), where a neighborhood called "Good Hope" was growing. Another branch line left Pennsylvania Avenue SE at Minnesota Avenue SE, and traveled along Minnesota Avenue to Harrison Street. A third branch line left Pennsylvania Avenue SE at 28th Street SE, traveled north to Anacostia Road SE, and the followed Anacostia Road SE to the neighborhood of East Washington Park (now the neighborhoods of Greenway and
Fort Dupont Fort DuPont, named in honor of Rear Admiral Samuel Francis Du Pont, is located between the original Delaware City and the modern Chesapeake and Delaware Canal on the original Reeden Point tract, which was granted to Henry Ward in 1675. Along w ...
). The firm incorporated on August 13, 1898. The Bliss-Havemeyer Syndicate collapsed, however, when Havemeyer and Hearst died, and Bliss became seriously ill. The Overlook Inn lost its popular appeal, and only a few homes were built. However, in 1903, Colonel Arthur E. Randle formed the United States Realty Company, bought out the Bliss-Havemeyer Syndicate properties and East Washington Heights Traction Company, and founded the settlement of
Randle Highlands Randle Highlands is a neighborhood in Southeast Washington, D.C., east of the Anacostia River. History Born in 1859, Colonel Arthur E. Randle was a late nineteenth and early twentieth-century real estate developer, who earned some recognition ...
. Randle, who only arrived in Washington in 1885, founded the development of
Congress Heights Congress Heights is a residential neighborhood in Southeast Washington, D.C., in the United States. The irregularly shaped neighborhood is bounded by the St. Elizabeths Hospital campus, Lebaum Street SE, 4th Street SE, and Newcomb Street SE on ...
in 1890. The development was wildly successful, and he invested heavily in the Belt Railway, a local streetcar company. In 1895, the Capital Railway Company extended its streetcar lines over the 11th Street Bridges and down Nicholls Avenue to Congress Heights. Randle sold his interest in the Capital Railway in 1899, and used this fortune to buy out the Bliss-Havemeyer Syndicate. In 1902, Randle won approval from Congress to lay streetcar tracks across the Pennsylvania Avenue Bridge. By 1905, he had extended his line down Pennsylvania Avenue SE into the new Randle Highlands. The streetcar line over the bridge spurred extensive new development east of the river. Randle began selling lots in Randle Highlands at a brisk pace in 1903. He made so much money that by 1905 he formed the development of "North Randle Highlands" (now the neighborhoods of Dupont Park, Penn Branch, and the lower portion of Greenway), which extended to Massachusetts Avenue SE. Lots in North Randle Highlands sold even more swiftly than in Randle Highlands. In October 1906, ''The Washington Post'' called Randle's developments "among the largest real estate enterprises ever successfully carried through in the District."


Notes


References


Footnotes


Bibliography

* * * * * * * * * * * {{coord, 38, 52, 37, N, 76, 58, 41, W, region:US-DC_type:landmark, display=title Bridges completed in 1890 Bridges over the Anacostia River Road bridges in Washington, D.C. Former toll bridges in Washington, D.C. Buildings and structures demolished in 1939 Iron bridges in the United States Truss bridges in the United States