List of bridges documented by the Historic American Engineering Record in Washington, D.C.

This is a list of bridges documented by the Historic American Engineering Record in Washington, D.C.

Bridges

Survey No.	Name (as assigned by HAER)	Built	Documented	Carries	Crosses	Coordinates
DC-4	Potomac Aqueduct	1843	1983		Potomac River
DC-6	Connecticut Avenue Bridge	1907	1987	Connecticut Avenue, NW	Rock Creek and Beach Drive, NW
DC-7	Arlington Memorial Bridge	1932	1988		Potomac River and George Washington Memorial Parkway northbound
DC-7-B	Arlington Memorial Bridge, Boundary Channel Extension	1932	1988	Memorial Avenue	Boundary Channel and George Washington Memorial Parkway southbound
DC-9-A	Tidal Reservoir, Inlet Bridge	1909	1988	Ohio Drive, SW	Tidal Basin inlet
DC-9-B	Tidal Reservoir, Outlet	1889	1988	Pedestrian way adjacent to Ohio Drive, SW	Tidal Basin outlet
DC-10	Shoreham Hill Bridge	1938	1988	Rock Creek and Potomac Parkway	Rock Creek
DC-11	Rock Creek and Potomac Parkway Bridge near P Street	1936	1988	Rock Creek and Potomac Parkway	Rock Creek
DC-12	Boulder Bridge	1902	1988	Beach Drive, NW	Rock Creek
DC-13	Ross Drive Bridge	1907	1988	Ross Drive, NW	Tributary of Rock Creek
DC-14	Rapids Footbridge	1934	1988	Trail in Rock Creek Park	Rock Creek
DC-15	Pinehurst Bridge	1911	1988	Beach Drive, NW	Pinehurst Branch
DC-16	South Waterside Drive Overpass	1933	1988	Waterside Drive, NW, southbound	Rock Creek and Potomac Parkway northbound
DC-17	Grant Road Bridge	1898	1988	Grant Road, NW	Broad Branch
DC-18	Old Military Road Bridge	1929	1988	Joyce Road, NW	Rock Creek
DC-19	Boundary Channel Bridge	1932	1988	George Washington Memorial Parkway	Boundary Channel
DC-20	K Street Bridge	1941	1992	K Street, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-21	Pennsylvania Avenue Bridge	1916	1992	Pennsylvania Avenue, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-22	Massachusetts Avenue Bridge	1939	1992	Massachusetts Avenue, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-23	Calvert Street Bridge	1935	1992	Calvert Street, NW	Rock Creek and Beach Drive, NW
DC-24	Woodley Lane Bridge Abutment	1889	1992	Belmont Road, NW	Rock Creek
DC-25	Milkhouse Ford	1904	1992	Trail in Rock Creek Park	Rock Creek
DC-26	Old Harvard Street Bridge	1901	1992	National Zoo Drive, NW	Rock Creek
DC-27	Connecticut Avenue Bridge, Spanning Klingle Valley	1932	1992	Connecticut Avenue, NW	Klingle Valley
DC-28	Pierce Mill Bridge	1895	1992	Tilden Street, NW	Rock Creek
DC-29	Sixteenth Street Bridge	1910	1992	16th Street, NW	Piney Branch and Piney Branch Parkway, NW
DC-30	Morrow Drive Bridge	1911	1992	Morrow Drive, NW	Tributary of Rock Creek
DC-31	Rolling Meadow Footbridge	1934	1992	Trail in Rock Creek Park	Rock Creek
DC-32	Riley Springs Footbridge	1935	1992	Trail in Rock Creek Park	Rock Creek
DC-33	Bluffs Footbridge	1934	1992	Trail in Rock Creek Park	Rock Creek
DC-34	Boundary Footbridge	1935	1992	Valley Trail	Rock Creek
DC-35	Lyon's Mill Footbridge	1934	1992	Trail in Rock Creek Park	Rock Creek
DC-36	Saddle Club Footbridge	1934	1992	Trail in Rock Creek Park	Rock Creek
DC-37	M Street Bridge	1930	1992	M Street, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-38	Q Street Bridge	1915	1992	Q Street, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-39	Little Inlet Bridge	1963	1994	George Washington Memorial Parkway	Boundary Channel
DC-40	U.S. Route 50 Overpass, Westbound	1946	1994	Ramp from George Washington Memorial Parkway northbound to US 50 (Arlington Boulevard) westbound	Boundary Channel and George Washington Memorial Parkway southbound
DC-41	Washington Boulevard Overpass	1942	1993	Washington Boulevard northbound	Ramp from Washington Boulevard southbound to George Washington Memorial Parkway southbound
DC-42	Washington Boulevard Bridge	1943	1994	SR 27 (Washington Boulevard)	Boundary Channel and George Washington Memorial Parkway southbound
DC-43	New Boundary Channel Bridge	1965	1994	George Washington Memorial Parkway southbound	Boundary Channel
DC-44	Mount Vernon Bike Trail Bridge	1987	1994	Mount Vernon Trail	Boundary Channel
DC-48	P Street Bridge	1935	1992	P Street, NW	Rock Creek and Rock Creek and Potomac Parkway
DC-50	Long Bridge	1903	1992	CSX Transportation and Amtrak	Potomac River
DC-51	Francis Scott Key Bridge	1923	1992	US 29	Potomac River
DC-53	New Harvard Street Bridge	1965	1992	Harvard Street, NW	Rock Creek