| Anacostia Freeway over Good Hope Road | 1964 | 295,046 | Fair |
| Southwest Freeway over Half St to 2ND St SW | 1963 | 252,820 | Fair |
| Southeast Frwy over CSX RR NJ & VA Ave | 1964 | 252,800 | Fair |
| NB I-395 over Potomac River & Ohio Dr. | 1950 | 249,000 | Fair |
| SB I-395 over Potomac R. and Ohio Dr. | 1960 | 249,000 | Fair |
| Southwest Freeway over Wash Channel & Maine | 1961 | 183,000 | Fair |
| Southwest Freeway over 4TH Street S.W. | 1959 | 173,000 | Fair |
| I-695 SE Freeway over 6TH Street S.E. | 1968 | 156,000 | Fair |
| Southeast Freeway over 7TH Street | 1969 | 155,700 | Fair |
| Southeast Frwy over 4TH Street S.E. | 1965 | 155,700 | Fair |
| Southeast Frwy over 3RD Street S.E. | 1965 | 155,660 | Fair |
| Southwest Freeway over South Capitol Street | 1965 | 155,000 | Fair |
| Kenilworth Ave NB over East Capitol St | 1952 | 140,000 | Fair |
| New York Avenue over Anacostia River | 1953 | 131,500 | Fair |
| Kenilworth Ave over Burroughs Ave & Ramp | 1956 | 128,000 | Good |
| Anacostia Freeway over Nicholson Street | 1963 | 124,000 | Good |
| Anacostia Freeway over Penn Ave Interchange | 1963 | 124,000 | Fair |
| Kenilworth Ave over Watts Branch | 1956 | 122,000 | Fair |
| Southeast Fwy over 8TH Street | 1970 | 114,500 | Fair |
| Anacostia Freeway over S. Capitol Street S.E. | 1963 | 104,000 | Good |
| Anacostia Freeway over S.capitol St S.E. | 1963 | 104,000 | Good |
| Anacostia Freeway over Suitland Pkwy S.E. | 1964 | 104,000 | Good |
| I-695 over Anacostia River | 2012 | 100,000 | Fair |
| Anacostia Freeway over Oxon Run Bay | 1960 | 96,400 | Fair |
| 14TH St Nb&sb& over Lane C & C1 I-395 | 1969 | 95,000 | Fair |
| Anacostia Freeway over Howard Rd S.E. | 1964 | 95,000 | Good |
| I-66 over Little River & G.w.p | 1964 | 95,000 | Fair |
| T. Roosevelt Brid over Pot River & Potomac | 1964 | 95,000 | Poor |
| Anacostia Freeway over Penn RR Yards S.E. | 1960 | 87,100 | Fair |
| Northbound I-695 over O Street S.E. | 2012 | 86,500 | Good |
| Anacostia Freeway over Firth Sterling Ave | 2022 | 81,700 | Good |
| New York Avenue over Amtrak Railroad | 1954 | 80,000 | Fair |
| New York Avenue over South Dakota Avenue | 1954 | 79,670 | Fair |
| I-395 HOV Bridge over Potomac River & Ohio Dr. | 1968 | 75,000 | Fair |
| NB I-695 over 11th Street S.E. | 2012 | 71,300 | Good |
| Kenilworth Ave SB over East Capitol St & Ra | 1957 | 70,000 | Fair |
| New York Avenue over North Capitol St | 1961 | 63,000 | Fair |
| Key Bridge over Whitehurst Frwy | 1925 | 62,000 | Fair |
| Memorial Avenue over Gwmp (NB) & Potomac Rive | 1932 | 60,300 | Good |
| South Capitol St. over Anacostia River | 2021 | 59,600 | Good |
| D Street N.W. over Center Leg Inner Loop | 1967 | 54,000 | Fair |
| Anacostia Freeway over Malcom X. Avenue | 1963 | 52,000 | Good |
| Anacostia Freeway over Malcom X. Avenue | 1963 | 52,000 | Good |
| Ramp to I-66 over Potomac Pkwy & 27TH | 1998 | 52,000 | Fair |
| Anacostia Frwy NB over Chesapeake Street S.E. | 1961 | 48,200 | Good |
| Anacostia Frwy NB over Naval Research Lab Road | 1960 | 48,200 | Good |
| Anacostia Frwy SB over Chesapeake Street S.E. | 1961 | 48,200 | Good |
| Anacostia Frwy SB over Naval Research Lab Road | 1960 | 48,200 | Good |
| New York Ave NE over Abandoned RR | 1941 | 47,000 | Fair |
| New York Avenue over Wash Terminal Yards | 1967 | 47,000 | Good |
| Rock Creek Parkway over Rock Creek | 1937 | 42,250 | Fair |
| East Capitol St over Anacostia River & Pa | 1955 | 42,100 | Good |
| Rock Creek Parkway over Rock Creek | 1983 | 41,725 | Fair |
| 14TH St. NB over Lane A-1 NB I-395 | 1969 | 40,000 | Fair |
| Whitehurst Frwy over K Street N.W. | 1949 | 40,000 | Fair |
| Ramp C I695 East over Ramp from Mall Tunnel | 1960 | 39,921 | Fair |
| Pennsylvania Ave over CSX&ANACOSTIA R&PA&M St. | 1942 | 38,600 | Fair |
| Rhode Island Ave over North Capitol Street | 1963 | 38,600 | Good |
| I-695 over N Street S.E. | 2012 | 38,500 | Good |
| I-695 over O Street S.E. | 2012 | 38,500 | Good |
| Southbound I-695 over N Street S.E. | 2012 | 38,500 | Good |
| 14TH Street S.W. over Street Car Terminal | 1942 | 38,000 | Fair |
| North Capitol St over Irving St Interchange | 1956 | 38,000 | Fair |
| 16TH Street. N.W. over Piney Branch Parkway | 1906 | 37,000 | Fair |
| Southbound I-295 over 11th Street S.E. | 2012 | 36,500 | Good |
| S.dakota Avenue over CSX Railroad | 1968 | 36,437 | Good |
| Benning Rd N.E. over Kingman Lake | 1934 | 36,300 | Good |
| 14TH Street S.W. over Maine Avenue S.W. | 1942 | 35,000 | Fair |
| 14TH Street S.W. over Ohio Drive Exit | 1942 | 35,000 | Fair |
| 14TH Street S.W. over Outlet Channel S.W. | 1942 | 35,000 | Fair |
| Benning Road over Anacostia River | 1934 | 33,640 | Good |
| Gwmp (SB) over Boundary Channel | 1965 | 33,452 | Fair |
| Gwmp over Boundary Channel | 2012 | 33,452 | Good |
| Massachusetts Ave over Rock Creek &pot Park | 1939 | 33,100 | Fair |
| 16TH Street N.W. over Military Rd | 1958 | 33,000 | Good |
| K Street over Whitehurst Frwy Ramps | 1965 | 31,900 | Fair |
| K Street N.W. over Rock Creek | 1940 | 31,800 | Fair |
| 11th Street S.E. over I-295 | 2012 | 29,800 | Fair |
| SB I-695 over Anacostia River | 2012 | 29,800 | Good |
| Beach Drive over Rock Creek | 1964 | 28,795 | Fair |
| Connecticut Ave. over Klingle Valley | 1932 | 28,338 | Fair |
| Connecticut Avenue over Rock Creek & Potomac Pkw | 1907 | 28,000 | Fair |
| New Hampshire Ave over CSX Railroad & Metro | 1934 | 27,500 | Fair |
| Jefferson Drive N over 12TH Street Expressway | 1964 | 27,000 | Fair |
| Ninth Street N.E. over CSX RR | 2010 | 27,000 | Fair |
| Ramp to WB I-695 over Exit Ramp to 9th Street | 2014 | 26,720 | Good |
| Massachusetts Ave over Center Leg Innerloop I39 | 1968 | 26,000 | Fair |
| Independence Ave. over Pedestrian Walk | 1954 | 25,900 | Fair |
| Military Road over Joyce Road | 1957 | 25,800 | Fair |
| Military Road over Rock Creek & Beach D | 1956 | 25,800 | Good |
| 11th Street S.E. over Anacostia River | 2012 | 25,000 | Good |
| SB I-695 over M Street S.E. | 2014 | 25,000 | Good |
| Southeast Freeway over Garfield Park | 1997 | 25,000 | Good |
| Southwest Freeway over Half St to 2ND St SW | 1963 | 25,000 | Fair |
| Southwest Freeway over South Capitol Street | 1963 | 25,000 | Fair |
| TR BRIDGE(RPS A&am over Ramps K & A-a | 1964 | 24,500 | Fair |
| H Street & Mas over Center Leg Inner Loop | 1968 | 24,300 | Fair |
| H Street over Washington Terminal Yard | 1907 | 24,000 | Poor |
| K Street N.W. over Potomac Pkwy | 1940 | 24,000 | Fair |
| Southwest Freeway over South Capitol Street | 1964 | 24,000 | Fair |
| Washington Blvd over Gwmp (SB) Boundary Chan | 1943 | 23,700 | Fair |
| Tr Bridge(ramp K) over Inner Loop | 1964 | 22,400 | Fair |
| Ramps E & F over Pedestrian Underpass | 1964 | 22,000 | Fair |
| Southwest Freeway over 2ND St to Half St SW | 1963 | 22,000 | Fair |
| Southwest Freeway over South Capitol Street | 1964 | 22,000 | Fair |
| Tr Bridge(ramp F) over Inner Loop | 1964 | 22,000 | Fair |
| Eastern Avenue over Kenilworth Ave | 1957 | 21,900 | Good |
| Ramp to Benning Rd over SB Kenilworth Ave | 1955 | 21,000 | Fair |
| Chain Bridge over Potomac R. & C&o | 1937 | 20,600 | Good |
| M Street S.W. over South Capitol Street | 1959 | 20,500 | Fair |
| SB I-695 over I-295 Ramps | 2012 | 20,000 | Good |
| Eastern Avenue NE over CSX Railroad N.E. | 1937 | 19,800 | Good |
| Gwmp (NB) over Boundary Channel | 1964 | 19,800 | Fair |
| Minnesota Avenue over East Capitol St | 1954 | 19,446 | Fair |
| Benning Rd-eb over Kenilworth Ave-b&o R | 1961 | 18,968 | Fair |
| Benning Rd-wb over Kenilworth Ave-b&o R | 1961 | 18,968 | Fair |
| 12th Street over CSXT RR & D Street | 1964 | 18,900 | Fair |
| Michigan Avenue over CSX & 9th St. NE | 1937 | 18,200 | Fair |
| West Beach Drive over Rock Creek | 1958 | 18,100 | Fair |
| K Street over I-395 | 1971 | 18,000 | Good |
| Ramp E to 12TH St over MAINE AVE & SW FRWY | 1961 | 18,000 | Fair |
| Alabama Avenue SE over Suitland Parkway | 1943 | 17,800 | Fair |
| Southern Avenue over Suitland Parkway | 1976 | 17,800 | Good |
| Tr Bridge(rampc) over Inner Loop | 1964 | 17,500 | Fair |
| 23RD Street N.W. over Virginia Avenue N.W. | 1942 | 17,000 | Fair |
| 9th Street N.W. over Convention Center Parkin | 2003 | 17,000 | Fair |
| Kalmia Road N.W. over Rock Creek Tributary | 2015 | 17,000 | Good |
| S. Capitol Street over Oxon Run | 1941 | 17,000 | Fair |
| S. Capitol Street over Winkle Doodle Branch | 1942 | 17,000 | Fair |
| Southern Avenue over Oxon Run | 1971 | 17,000 | Fair |
| 12TH Street S.W. over Csxt Railroad | 1907 | 16,900 | Fair |
| Rock Creek Parkway over Rock Creek | 1936 | 16,900 | Fair |
| M Street N.W. over Parkway & Rock Creek | 1928 | 16,000 | Good |
| Minnesota Ave N.E. over Watts Branch N.E. | 1934 | 16,000 | Good |
| T.R. Bridge Ramp over Inner Loop | 1964 | 16,000 | Fair |
| South Waterside Dr over Rock Creek Parkway (NB) | 1940 | 15,152 | Fair |
| Calvert Street over ROCK CREEK & PARK DR | 1933 | 15,000 | Fair |
| Memorial Avenue over Gwmp (SB) Ramp & Bound | 1932 | 15,000 | Fair |
| Independence Avenu over Maine Avenue | 1943 | 14,871 | Good |
| Beach Drive over Piney Branch | 1957 | 14,500 | Fair |
| Beach Drive over Rock Creek | 1956 | 14,500 | Fair |
| C Street N.E. over Pedestrian Walk | 1954 | 14,434 | Fair |
| C Street N.E. over Ramp from 22nd St N.E | 1954 | 14,434 | Fair |
| C Street S.W. over 9TH St Expway | 1970 | 14,300 | Fair |
| D Street S.W. over 9TH St Expway | 1970 | 14,300 | Fair |
| M. L. King Avenue over Suitland Parkway | 1944 | 14,000 | Fair |
| Pennsylvania Ave over ROCK CREEK & POT PKW | 1916 | 14,000 | Fair |
| Taylor Street over Brookland Ave & CSX | 1940 | 14,000 | Fair |
| 11th Street S.E. over Abandoned Railroad | 2012 | 13,800 | Good |
| SB I-295 Exit Ramp over South Capitol St S.E. | 1962 | 13,800 | Fair |
| Tr Bridge(ramp A) over Inner Loop | 1964 | 13,400 | Fair |
| East Basin Drive over Washington Channel | 1942 | 13,383 | Fair |
| Ohio Drive over Tidal Basin | 1908 | 13,383 | Fair |
| Rock Creek & Potom over Nps Storage Area | 1934 | 13,383 | Fair |
| Rock Creek and Pot over Ohio Drive | 1930 | 13,383 | Fair |
| Beach Drive over Rock Creek | 1902 | 13,100 | Fair |
| FRANKLIN & 8TH over B&O RAILROAD | 1937 | 13,000 | Fair |
| N.ramp to Burr.ave over Watts Branch | 1956 | 13,000 | Good |
| Porter Street over Klingle Road | 1947 | 13,000 | Good |
| Ramp D to Rt 50 over Little R & Gw Pkwy | 1964 | 13,000 | Fair |
| Ramp E to Gw Pkwy over Little River | 1964 | 13,000 | Fair |
| US 50 Ramp over Little River & Gw Pk | 1964 | 13,000 | Fair |
| 23RD Street N.W. over E St Expressway | 1964 | 12,711 | Good |
| 7TH Street over SW Freeway I395 | 1961 | 12,670 | Good |
| K Street Ramp over K Street Entrance Ramp | 1949 | 12,500 | Fair |
| K Street Ramp over K Street exit Ramp | 1949 | 12,500 | Fair |
| Southwest Freeway over Half St to 2ND St SW | 1963 | 12,500 | Fair |
| Malcom X Avenue over South Capitol Street | 1943 | 12,300 | Fair |
| Q Street N.W. over Rock Creek | 1915 | 12,000 | Fair |
| Southwest Freeway over Half St to 2ND St SW | 1963 | 12,000 | Fair |
| 9TH Street Ramp M over Ramps A+c I-395 | 1961 | 11,000 | Fair |
| P Street N.W. over Rock Creek | 1935 | 11,000 | Fair |
| Southeast Freeway over 3rd Street S.E. | 1965 | 11,000 | Good |
| Southwest Freeway over South Capitol Street | 1964 | 11,000 | Fair |
| WB I-295 Exit Ramp over Suitland Patkway | 2020 | 10,700 | Good |
| Arlington Blvd (u. over Gwmp (SB) & Boundary Cha | 1946 | 10,600 | Fair |
| Wheeler Road S.E. over Oxon Run | 1950 | 10,383 | Fair |
| F Street NW over I-395 | 2020 | 10,000 | Good |
| G Street NW over I-395 | 2020 | 10,000 | Good |
| Monroe Street NE over CSX Railroad | 1931 | 10,000 | Good |
| Ramp F over Ramp E | 2021 | 10,000 | Good |
| Atlantic Street over Oxon Run | 1953 | 9,300 | Fair |
| Klingle Road N.W. over Rock Creek | 1947 | 9,000 | Fair |
| Klingle Road N.W. over Rock Creek & Beach D | 1947 | 9,000 | Fair |
| Michigan Ave over Park Place N.W. | 1957 | 9,000 | Good |
| Ramp 1 over SB Exit Rmp 3 to SB I-95 | 1972 | 9,000 | Fair |
| Ramps To&from over Rock Creek | 1940 | 9,000 | Fair |
| Independence Avenu over Tidal Basin | 1943 | 8,970 | Fair |
| M Street N.W. over D.C. Convention Center | 2005 | 8,500 | Fair |
| Anacostia Freeway over Bicycle and Pedestrian | 2022 | 8,400 | Good |
| Beach Drive over Rock Creek | 1956 | 8,366 | Fair |
| 22ND Street N.W. over K Street N.W. | 1960 | 8,000 | Fair |
| L Street N.W. over D.C. Convention Center | 2003 | 8,000 | Fair |
| LEnfant Promenade over D Street S.W. | 1961 | 7,500 | Fair |
| E Ramp to Wh Frwy over Storage Yd Near Potomac | 1956 | 7,000 | Fair |
| E Street NW over Center Leg Inner Loop | 1967 | 7,000 | Fair |
| Harvard Street over Rock Creek and Beach Dri | 1968 | 7,000 | Fair |
| Ramp 1 Whitehurst over I-66 to W.h. Frwy. | 1964 | 7,000 | Fair |
| Route 29 over C&o Canal N.W. | 1949 | 7,000 | Fair |
| 44TH Street N.E. over Watts Branch | 1956 | 6,900 | Good |
| Division Avenue over Watts Branch | 1951 | 6,827 | Good |
| Washington Bouleva over Connector Road | 1942 | 6,300 | Fair |
| NB I-695 Exit Ramp over N Street S.E. | 2012 | 6,000 | Good |
| Oregon Ave over Pinehurst Branch | 2022 | 6,000 | Good |
| Park Road N.W. over Piney Branch Pkwy | 1959 | 6,000 | Fair |
| 58TH Street N.E. over Watts Branch NE | 1959 | 5,500 | Good |
| 10th Street N.W. over S.W. Freeway I-95 | 1961 | 5,000 | Fair |
| 55TH Street N.E. over Watts Branch | 1958 | 5,000 | Fair |
| 9TH St Bridge over I-395 | 1961 | 5,000 | Good |
| 9TH St. Ramp C-1 over Ramp A I-395 | 1961 | 5,000 | Fair |
| Queens Chapel Road over CSX Railroad | 1931 | 5,000 | Fair |
| Ramp Fr Benning Rd over SB Kenilworth Ave | 1955 | 5,000 | Poor |
| Tunnel over 10th Street N.W. | 2013 | 4,965 | Good |
| 2nd Street SE over CSX RR | 2018 | 4,700 | Good |
| Q Street N.W. over Connecticut Ave | 1950 | 4,500 | Fair |
| SB I-295 over NB I-295 | 2012 | 4,500 | Good |
| Tunnel over I Street N.W. | 2013 | 4,224 | Good |
| 4TH St.s.e. over Oxon Run | 1960 | 4,035 | Fair |
| 24TH Street N.W. over K Street N.W. | 1960 | 4,000 | Fair |
| New Jersey Avenue over CSX RR & VA AVE | 1908 | 4,000 | Fair |
| Park Road N.W. over Rock Creek | 1900 | 4,000 | Fair |
| Ramp to I-295 over Nicholson Street | 1963 | 4,000 | Good |
| Zoo Access Road over Rock Creek | 1915 | 3,500 | Fair |
| T Street over North Capitol St | 1963 | 3,200 | Good |
| 27th Street N.W. over Broad Branch | 2015 | 3,000 | Fair |
| Gault Place over Watts Branch | 1956 | 3,000 | Good |
| Rmp from NB I-295 over Nicholson Street | 1963 | 3,000 | Fair |
| LEnfant Plaza over Railroad | 1961 | 2,706 | Fair |
| 35TH St N.E. over East Capitol St | 1954 | 2,500 | Fair |
| Hunt Place N.E. over Watts Branch | 1915 | 2,500 | Good |
| Sherrill Drive over Rock Creek | 1962 | 2,276 | Fair |
| I-295 over Good Hope Road | 2012 | 2,200 | Good |
| Kenilworth Ave. rp over Watts Branch | 1955 | 2,200 | Fair |
| Joyce Road over Luzon Branch | 1950 | 2,100 | Poor |
| 29TH Street N.W. over C&o Canal | 1900 | 2,000 | Good |
| 30TH Street N.W. over C&o Canal | 1900 | 2,000 | Good |
| 31ST Street N.W. over C&o Canal | 1900 | 2,000 | Good |
| Anacostia Freeway over Howard Rd S.E. | 2022 | 2,000 | Good |
| Broad Branch Road over Broad Branch | 1956 | 2,000 | Fair |
| Jefferson St N.W. over C&o Canal | 1900 | 2,000 | Good |
| Joyce Road over Luzon Branch | 1950 | 2,000 | Fair |
| Joyce Road over Rock Creek | 1940 | 2,000 | Fair |
| Kenilworth Terrace over Watts Branch | 1950 | 2,000 | Fair |
| Marshall Drive over North Capitol Street | 1960 | 2,000 | Good |
| Glover Road over Broad Branch | 1956 | 1,800 | Fair |
| Ross Drive over Horse Trail | 1907 | 1,800 | Fair |
| I-295 Access Road over Ramp J | 2022 | 1,500 | Good |
| I-295 Access over Ramp G | 2021 | 1,500 | Good |
| Malcolm X Avenue over I-295 Access Road | 2021 | 1,500 | Good |
| Wisconsin Avenue over C&o Canal | 1831 | 800 | Fair |
| I-295 Ramp C over Malcolm X Avenue | 2021 | 750 | Good |
| Ramp T over Anacostia Freeway | 2021 | 650 | Good |
| Zoo Service Road over Rock Creek | 1930 | 400 | Good |
| 61st Street NE over Watts Branch | 1956 | 300 | Good |
| Anacostia Ave NE over Polk Run | 1998 | 250 | Good |
| Anacostia Avenue over Anacostia River Outlet | 1984 | 200 | Fair |
| Edgewater Stable A over Rock Creek | 1958 | 50 | Poor |
| Thompson Boat Cent over Rock Creek | 1960 | 10 | Fair |
| Beechwood Road over Hickey Run | 1941 | 1 | Good |
| Crabtree Road NE over Hickey Run | 1941 | 1 | Good |
| Meadow Road NE over Hickey Run | 1941 | 1 | Good |