title: List of bridges documented by the Historic American Engineering Record in Washington, D.C.
text: # 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) | Status | Type | 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) |
  