Info from User:SPUI/DC bridges.
Southwest Freeway/Southeast Freeway edit
- 1134 under 14th Street 1969
- ? railroad
- 1113 over Washington Channel and Maine Avenue 1961
- 1113 over 12th Street 1959
- 1113 under ramp to 12th Street 1961
- 1108 under L'Enfant Promenade 1961
- 1107 under 9th Street and ramps 1961
- 1106 under 7th Street 1961
- 1100 over 4th Street 1959
- 1101 ? 1959
- 1103 ? 1963
- 1104 over South Capitol Street 1965 (ramps 1963-1964)
- 1111 over 4th Street 1965
- 1109 over railroad and Virginia Avenue 1964
- 1110 over 3rd Street 1965
- 1111 over 4th Street 1965
- 1112 over 6th Street 1968
- 1400 over 7th Street 1969
- 1401 over 8th Street 1970
- 1404 under 11th Street 1971
- 1408 I-295 1971
- 1410 under Pennsylvania Avenue 1972
- 1409 ramp under Pennsylvania Avenue 1974
11th Street Bridges edit
- 55 southbound over Anacostia River 1968
- 56 southbound over Anacostia River 1965
- 1406 over N Street 1967
- 1407 over M Street 1970
- 1408 I-695 1971
- 1405 over 11th Street 1970
- 1402 over ramps at 9th Street 1970
Center Leg edit
- 1102 ramp to I-695 under railroad 1960
- 1142 tunnel 1972
- 1138 under D Street 1967
- 1139 under E Street 1967
- 1140 under H Street and Massachusetts Avenue 1968
- 1141 ramps near G Street 1970
- 1143 under K Street 1971
Anacostia Freeway/Kenilworth Avenue edit
- 1026 over Oxon Run Bay 1960
- 1019 over Laboratory Road 1960
- 1018 over Cheapeake Street 1961
- 1016/1017 over South Capitol Street 1963
- 1014 over Malcolm X Avenue 1963
- 1015 ramp over South Capitol Street 1962
- 1012 over Firth Sterling Avenue and railroad 1964
- 1009 over Suitland Parkway 1964
- 1008 over Howard Road 1964
- 1007 over Good Hope Road 1964
- 1013 under 11th Street 1964
- 1004 under I-295 north 1964
- 1001/1002 over Nicholson Street 1963
- 1000 over Pennsylvania Avenue 1963
- 505 over railroad 1960
- 84 southbound over East Capitol Street 1957
- 38 northbound over East Capitol Street 1952
- 104 southbound under Benning Road ramps 1955
- 503 under Benning Road 1961 (original bridge over railroad 1936)
- 48 over Watts Branch 1955
- 19 over Burroughs Avenue 1956
- 45 under Eastern Avenue 1957
Whitehurst Freeway edit
- 7 over Water Street 1925 (?!)
- 32 whole thing 1949
Potomac River Freeway edit
- 1200/1201/1202/1203/1204/1205/1206 Roosevelt Bridge interchange 1964
- 1302 under New Hampshire Avenue and Virginia Avenue 1962
- 1304 northbound under K Street 1965
- 1303 northbound over Rock Creek Parkway 1964
- 1301 southbound over Rock Creek Parkway and 27th Street 1998
E Street Expressway edit
- 1208 under 23rd Street 1964
- 1209 under Virginia Avenue 1964
New York Avenue edit
- 242 over South Dakota Avenue 1954
- 76 over Anacostia Avenue 1953