Survey No.
|
Name (as assigned by HAER)
|
Status
|
Type[2]
|
Built
|
Documented
|
Carries
|
Crosses
|
Coordinates
|
DC-4
|
Potomac Aqueduct
|
Ruin
|
Queen post truss
|
1843
|
1983
|
Chesapeake and Ohio Canal
|
Potomac River
|
38°54′15″N 77°04′14″W / 38.90417°N 77.07056°W / 38.90417; -77.07056 (Potomac Aqueduct)
|
DC-6
|
Connecticut Avenue Bridge
|
Extant
|
Reinforced concrete open-spandrel arch
|
1907
|
1987
|
Connecticut Avenue, NW
|
Rock Creek and Beach Drive, NW
|
38°55′14″N 77°02′59″W / 38.92056°N 77.04972°W / 38.92056; -77.04972 (Connecticut Avenue Bridge)
|
DC-7
|
Arlington Memorial Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1932
|
1988
|
|
Potomac River and George Washington Memorial Parkway northbound
|
38°53′14″N 77°03′20″W / 38.88722°N 77.05556°W / 38.88722; -77.05556 (Arlington Memorial Bridge)
|
DC-7-B
|
Arlington Memorial Bridge, Boundary Channel Extension
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1932
|
1988
|
Memorial Avenue
|
Boundary Channel and George Washington Memorial Parkway southbound
|
38°53′07″N 77°03′41″W / 38.88528°N 77.06139°W / 38.88528; -77.06139 (Arlington Memorial Bridge, Boundary Channel Extension)
|
DC-9-A
|
Tidal Reservoir, Inlet Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1909
|
1988
|
Ohio Drive, SW
|
Tidal Basin inlet
|
38°52′49″N 77°02′25″W / 38.88028°N 77.04028°W / 38.88028; -77.04028 (Tidal Reservoir, Inlet Bridge)
|
DC-9-B
|
Tidal Reservoir, Outlet
|
Extant
|
Stone arch
|
1889
|
1988
|
Pedestrian way adjacent to Ohio Drive, SW
|
Tidal Basin outlet
|
38°52′58″N 77°01′58″W / 38.88278°N 77.03278°W / 38.88278; -77.03278 (Tidal Reservoir, Outlet)
|
DC-10
|
Shoreham Hill Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1938
|
1988
|
Rock Creek and Potomac Parkway
|
Rock Creek
|
38°55′12″N 77°03′10″W / 38.92000°N 77.05278°W / 38.92000; -77.05278 (Shoreham Hill Bridge)
|
DC-11
|
Rock Creek and Potomac Parkway Bridge near P Street
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1936
|
1988
|
Rock Creek and Potomac Parkway
|
Rock Creek
|
38°54′36″N 77°03′01″W / 38.91000°N 77.05028°W / 38.91000; -77.05028 (Rock Creek and Potomac Parkway Bridge near P Street)
|
DC-12
|
Boulder Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1902
|
1988
|
Beach Drive, NW
|
Rock Creek
|
38°56′54″N 77°02′42″W / 38.94833°N 77.04500°W / 38.94833; -77.04500 (Boulder Bridge)
|
DC-13
|
Ross Drive Bridge
|
Extant
|
Reinforced concrete open-spandrel arch
|
1907
|
1988
|
Ross Drive, NW
|
Tributary of Rock Creek
|
38°57′12″N 77°02′45″W / 38.95333°N 77.04583°W / 38.95333; -77.04583 (Ross Drive Bridge)
|
DC-14
|
Rapids Footbridge
|
Extant
|
Reinforced concrete open-spandrel arch
|
1934
|
1988
|
Trail in Rock Creek Park
|
Rock Creek
|
38°57′12″N 77°02′37″W / 38.95333°N 77.04361°W / 38.95333; -77.04361 (Rapids Footbridge)
|
DC-15
|
Pinehurst Bridge
|
Extant
|
Reinforced concrete open-spandrel arch
|
1911
|
1988
|
Beach Drive, NW
|
Pinehurst Branch
|
38°58′17″N 77°02′38″W / 38.971364°N 77.043774°W / 38.971364; -77.043774 (Pinehurst Bridge)
|
DC-16
|
South Waterside Drive Overpass
|
Extant
|
Reinforced concrete T-beam
|
1933
|
1988
|
Waterside Drive, NW, southbound
|
Rock Creek and Potomac Parkway northbound
|
38°54′49″N 77°03′18″W / 38.91361°N 77.05500°W / 38.91361; -77.05500 (South Waterside Drive Overpass)
|
DC-17
|
Grant Road Bridge
|
Extant
|
Stone arch
|
1898
|
1988
|
Grant Road, NW
|
Broad Branch
|
38°54′49″N 77°03′18″W / 38.91361°N 77.05500°W / 38.91361; -77.05500 (Grant Road Bridge)
|
DC-18
|
Old Military Road Bridge
|
Extant
|
Steel rolled multi-beam
|
1929
|
1988
|
Joyce Road, NW
|
Rock Creek
|
38°57′37″N 77°02′32″W / 38.96028°N 77.04222°W / 38.96028; -77.04222 (Old Military Road Bridge)
|
DC-19
|
Boundary Channel Bridge
|
Extant
|
Reinforced concrete girder
|
1932
|
1988
|
George Washington Memorial Parkway
|
Boundary Channel
|
38°52′31″N 77°02′49″W / 38.87528°N 77.04694°W / 38.87528; -77.04694 (Boundary Channel Bridge)
|
DC-20
|
K Street Bridge
|
Extant
|
Reinforced concrete rigid frame
|
1941
|
1992
|
K Street, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°54′09″N 77°03′28″W / 38.90250°N 77.05778°W / 38.90250; -77.05778 (K Street Bridge)
|
DC-21
|
Pennsylvania Avenue Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1916
|
1992
|
Pennsylvania Avenue, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°54′17″N 77°03′22″W / 38.90472°N 77.05611°W / 38.90472; -77.05611 (Pennsylvania Avenue Bridge)
|
DC-22
|
Massachusetts Avenue Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1939
|
1992
|
Massachusetts Avenue, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°55′04″N 77°03′30″W / 38.91778°N 77.05833°W / 38.91778; -77.05833 (Massachusetts Avenue Bridge)
|
DC-23
|
Calvert Street Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1935
|
1992
|
Calvert Street, NW
|
Rock Creek and Beach Drive, NW
|
38°55′24″N 77°02′54″W / 38.92333°N 77.04833°W / 38.92333; -77.04833 (Calvert Street Bridge)
|
DC-24
|
Woodley Lane Bridge Abutment
|
Ruin
|
|
1889
|
1992
|
Belmont Road, NW
|
Rock Creek
|
38°55′17″N 77°02′59″W / 38.92139°N 77.04972°W / 38.92139; -77.04972 (Woodley Lane Bridge Abutment)
|
DC-25
|
Milkhouse Ford
|
Bypassed
|
Ford
|
1904
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°57′53″N 77°02′51″W / 38.96472°N 77.04750°W / 38.96472; -77.04750 (Milkhouse Ford)
|
DC-26
|
Old Harvard Street Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1901
|
1992
|
National Zoo Drive, NW
|
Rock Creek
|
38°55′39″N 77°02′41″W / 38.92750°N 77.04472°W / 38.92750; -77.04472 (Old Harvard Street Bridge)
|
DC-27
|
Connecticut Avenue Bridge, Spanning Klingle Valley
|
Extant
|
Steel arch
|
1932
|
1992
|
Connecticut Avenue, NW
|
Klingle Valley
|
38°55′56″N 77°03′24″W / 38.93222°N 77.05667°W / 38.93222; -77.05667 (Connecticut Avenue Bridge, Spanning Klingle Valley)
|
DC-28
|
Pierce Mill Bridge
|
Extant
|
Steel built-up girder
|
1895
|
1992
|
Tilden Street, NW
|
Rock Creek
|
38°56′23″N 77°03′06″W / 38.93972°N 77.05167°W / 38.93972; -77.05167 (Pierce Mill Bridge)
|
DC-29
|
Sixteenth Street Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1910
|
1992
|
16th Street, NW
|
Piney Branch and Piney Branch Parkway, NW
|
38°56′18″N 77°02′11″W / 38.93833°N 77.03639°W / 38.93833; -77.03639 (Sixteenth Street Bridge)
|
DC-30
|
Morrow Drive Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1911
|
1992
|
Morrow Drive, NW
|
Tributary of Rock Creek
|
38°57′34″N 77°02′19″W / 38.95944°N 77.03861°W / 38.95944; -77.03861 (Morrow Drive Bridge)
|
DC-31
|
Rolling Meadow Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1934
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°58′13″N 77°02′41″W / 38.97028°N 77.04472°W / 38.97028; -77.04472 (Rolling Meadow Footbridge)
|
DC-32
|
Riley Springs Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1935
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°58′41″N 77°02′36″W / 38.97806°N 77.04333°W / 38.97806; -77.04333 (Riley Springs Footbridge)
|
DC-33
|
Bluffs Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1934
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°56′12″N 77°02′52″W / 38.93667°N 77.04778°W / 38.93667; -77.04778 (Bluffs Footbridge)
|
DC-34
|
Boundary Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1935
|
1992
|
Valley Trail
|
Rock Creek
|
38°59′13″N 77°03′08″W / 38.98694°N 77.05222°W / 38.98694; -77.05222 (Boundary Footbridge)
|
DC-35
|
Lyon's Mill Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1934
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°54′45″N 77°03′15″W / 38.91250°N 77.05417°W / 38.91250; -77.05417 (Lyons Mill Footbridge)
|
DC-36
|
Saddle Club Footbridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1934
|
1992
|
Trail in Rock Creek Park
|
Rock Creek
|
38°55′12″N 77°03′12″W / 38.92000°N 77.05333°W / 38.92000; -77.05333 (Saddle Club Footbridge)
|
DC-37
|
M Street Bridge
|
Extant
|
Steel built-up girder
|
1930
|
1992
|
M Street, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°54′19″N 77°03′20″W / 38.90528°N 77.05556°W / 38.90528; -77.05556 (M Street Bridge)
|
DC-38
|
Q Street Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1915
|
1992
|
Q Street, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°54′39″N 77°03′04″W / 38.91083°N 77.05111°W / 38.91083; -77.05111 (Q Street Bridge)
|
DC-39
|
Little River Inlet Bridge
|
Extant
|
Steel built-up girder
|
1963
|
1994
|
George Washington Memorial Parkway
|
Boundary Channel
|
38°53′24″N 77°03′51″W / 38.89000°N 77.06417°W / 38.89000; -77.06417 (Little River Inlet Bridge)
|
DC-40
|
U.S. Route 50 Overpass, Westbound
|
Extant
|
Steel built-up girder
|
1946
|
1994
|
Ramp from George Washington Memorial Parkway northbound to US 50 (Arlington Boulevard) westbound
|
Boundary Channel and George Washington Memorial Parkway southbound
|
38°53′20″N 77°03′51″W / 38.88889°N 77.06417°W / 38.88889; -77.06417 (U.S. Route 50 Overpass, Westbound)
|
DC-41
|
Washington Boulevard Overpass
|
Extant
|
Reinforced concrete rigid frame
|
1942
|
1993
|
Washington Boulevard northbound
|
Ramp from Washington Boulevard southbound to George Washington Memorial Parkway southbound
|
38°52′57″N 77°03′27″W / 38.88250°N 77.05750°W / 38.88250; -77.05750 (Washington Boulevard Overpass)
|
DC-42
|
Washington Boulevard Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1943
|
1994
|
SR 27 (Washington Boulevard)
|
Boundary Channel and George Washington Memorial Parkway southbound
|
38°52′50″N 77°03′26″W / 38.88056°N 77.05722°W / 38.88056; -77.05722 (Washington Boulevard Bridge)
|
DC-43
|
New Boundary Channel Bridge
|
Extant
|
Reinforced concrete box girder
|
1965
|
1994
|
George Washington Memorial Parkway southbound
|
Boundary Channel
|
38°52′51″N 77°03′32″W / 38.88083°N 77.05889°W / 38.88083; -77.05889 (New Boundary Channel Bridge)
|
DC-44
|
Mount Vernon Bike Trail Bridge
|
Extant
|
Steel built-up girder
|
1987
|
1994
|
Mount Vernon Trail
|
Boundary Channel
|
38°53′24″N 77°03′50″W / 38.89000°N 77.06389°W / 38.89000; -77.06389 (Mount Vernon Bike Trail Bridge)
|
DC-48
|
P Street Bridge
|
Extant
|
Reinforced concrete closed-spandrel arch
|
1935
|
1992
|
P Street, NW
|
Rock Creek and Rock Creek and Potomac Parkway
|
38°54′35″N 77°03′01″W / 38.90972°N 77.05028°W / 38.90972; -77.05028 (P Street Bridge)
|
DC-50
|
Long Bridge
|
Extant
|
Swing span
|
1903
|
1992
|
CSX Transportation and Amtrak
|
Potomac River
|
38°52′29″N 77°02′26″W / 38.87472°N 77.04056°W / 38.87472; -77.04056 (Long Bridge)
|
DC-51
|
Francis Scott Key Bridge
|
Extant
|
Reinforced concrete open-spandrel arch
|
1923
|
1992
|
US 29
|
Potomac River
|
38°54′08″N 77°04′13″W / 38.90222°N 77.07028°W / 38.90222; -77.07028 (Francis Scott Key Bridge)
|
DC-53
|
New Harvard Street Bridge
|
Extant
|
Reinforced concrete box girder
|
1965
|
1992
|
Harvard Street, NW
|
Rock Creek
|
38°55′41″N 77°02′40″W / 38.92806°N 77.04444°W / 38.92806; -77.04444 (New Harvard Street Bridge)
|