Deficient major bridges in D.C.

The following bridges carry at least 10,000 vehicles a day and have been rated as either structurally deficient or functionally obsolete by inspectors, according to an msnbc.com analysis of the National Bridge Inventory.

Status of "D" means the bridge has been rated structurally deficient; "O" means it has been rated functionally obsolete.

A structurally deficient bridge is closed or restricted to light vehicles because of its deteriorated structural components. While not necessarily unsafe, these bridges must have limits for speed and weight.

A functionally obsolete bridge has older design features and, while it is not unsafe for all vehicles, it cannot safely accommodate current traffic volumes, and vehicle sizes and weights.

The raw dataset of the National Bridge Inventory, which is compiled by the U.S. Department of Transportation's Federal Highway Administration from state reports, was provided by the National Institute for Computer-Assisted Reporting at the University of Missouri. The analysis was done by msnbc.com. This page reflects inspections through December 2005.

Click a county name to view data. DISTRICT OF COLUMBIA Status Rating Road Place County Feature Location O 64.0 DISTRICT OF COLUMBIA POTOMAC R. & C&O CANAL "OVER POTOMAC RIVER O 63.0 29 DISTRICT OF COLUMBIA WHITEHURST FRWY WHITEHURST FRWY O 74.0 DISTRICT OF COLUMBIA SOUTH CAPITOL STREET M STREET & S. CAPITOL ST. D 76.0 DISTRICT OF COLUMBIA WATTS BRANCH "OVER WATTS BR D 39.0 DISTRICT OF COLUMBIA BURROUGHS AVE & RAMP B BURROUGHS&KENILWORTH AVES O 79.1 DISTRICT OF COLUMBIA ROCK CREEK PIERCE MILL & ROCK CREEK O 75.3 DISTRICT OF COLUMBIA PINEY BRANCH PARKWAY "OVER PINEY BR PKWY O 57.9 DISTRICT OF COLUMBIA KLINGLE VALLEY AND ROAD CONN AVE OVER KLINGLE VAL O 72.8 DISTRICT OF COLUMBIA ROCK CREEK & POTOMAC PKW "OVER ROCK CREEK O 72.2 DISTRICT OF COLUMBIA ROCK CREEK K ST OVER ROCK CREEK NW O 49.8 DISTRICT OF COLUMBIA EAST CAPITOL ST 35TH ST OVER EAST CAPITOL O 67.5 DISTRICT OF COLUMBIA EAST CAPITOL ST MINNESOTA AVE OVER E CAP O 92.8 DISTRICT OF COLUMBIA PEDESTRIAN WALK RAMP A-B OVER PED. WALK O 74.3 DISTRICT OF COLUMBIA PEDESTRIAN WALK RAMP C-D OVER PED. WALK O 78.6 DISTRICT OF COLUMBIA C STREET RAMP A OVER C STREET O 76.7 DISTRICT OF COLUMBIA SOUTH CAPITOL STREET PORTLAND ST OVER S CAP D 47.0 DISTRICT OF COLUMBIA KENILWORTH AVE EASTERN OVER KENILWORTH O 78.0 DISTRICT OF COLUMBIA "PARK PLACE N.W." O 92.0 50 DISTRICT OF COLUMBIA NORTH CAPITOL ST NEW YORK OVER N CAP ST O 62.0 DISTRICT OF COLUMBIA APPROACHES-S.CAP ST BRI EXIT RAMP S.CAP ST BRIDGE O 79.0 DISTRICT OF COLUMBIA APPROACHES-S CAP ST BRID EXIT RAMP S.CAP ST BRIDGE O 63.8 DISTRICT OF COLUMBIA ANACOSTIA RIVER S CAPITOL ST/ANACOSTIA R O 66.0 DISTRICT OF COLUMBIA PRR ANACOSTIA R & PARK R PENN AVE OVER ANACOSTIA R D 23.0 295 DISTRICT OF COLUMBIA "O ST ANACOSTIA RIVER" D 22.9 295 DISTRICT OF COLUMBIA "O ST ANACOSTIA RIVER" O 74.8 DISTRICT OF COLUMBIA OXON RUN S CAPITOL OVER OXON RUN O 71.8 DISTRICT OF COLUMBIA WINKLE DOODLE BRANCH SCAP OVER WINKLE DOODLE O 78.3 DISTRICT OF COLUMBIA OXON RUN SOUTHERN AVE OVER OXON RN O 78.0 DISTRICT OF COLUMBIA SUITLAND PARKWAY S0 AVE OVER SUIT PKWY O 73.3 DISTRICT OF COLUMBIA SUITLAND PARKWAY ALA AVE OVER SUIT PKWY O 70.9 DISTRICT OF COLUMBIA SUITLAND PARKWAY MLKING AVE OVER SUIT PKWY O 86.5 DISTRICT OF COLUMBIA EAST CAPITOL ST & RAMP C ANACOSTIA FWY OVER E CAP O 94.0 DISTRICT OF COLUMBIA THOMAS CIRCLE UNDERPASS THOS CIRCLE OVER MASS AVE O 74.0 DISTRICT OF COLUMBIA "16TH STREET N.W." O 77.0 DISTRICT OF COLUMBIA CONNECTICUT AVENUE MASS AVE OVER CONN AVE NW O 74.0 DISTRICT OF COLUMBIA K STREET EXPRESSWAY UNDER WASH. CIRCLE NW O 91.3 DISTRICT OF COLUMBIA SB KENILWORTH AVE KENILWORTH&BENNING RD NE O 62.0 DISTRICT OF COLUMBIA ROCK CREEK & POT PKWY PENN AVE OVER ROCK CREEK O 92.0 395 DISTRICT OF COLUMBIA POTOMAC RIVER & OHIO DR 14TH ST OVER POTOMAC RIV O 63.0 395 DISTRICT OF COLUMBIA POTOMAC RIVER & OHIO DR 14TH ST OVER POTOMAC R SW O 95.0 DISTRICT OF COLUMBIA HAINES POINT PARK EXIT 14TH ST OVER HAINS P EXIT O 91.1 DISTRICT OF COLUMBIA 12TH ST EXPWY TUNNEL SW IND. AVE OVER 12TH ST SW O 87.9 DISTRICT OF COLUMBIA 9TH ST EXP TUNNEL SW IND AVE OVER 9TH ST EXP O 90.7 DISTRICT OF COLUMBIA 9TH ST EXPWAY D ST OVER 9TH ST EXPWY SW O 80.0 29 DISTRICT OF COLUMBIA MILITARY RD 16TH ST OVER MILITARY RD O 91.5 DISTRICT OF COLUMBIA JOYCE ROAD MILITARY RD OVER JOYCE RD O 66.4 DISTRICT OF COLUMBIA KENILWORTH AVE-B&O RR BENNING RD&KENILWORTH AVE O 84.0 DISTRICT OF COLUMBIA KENILWORTH AVE-B&O RR BENNING RD OVER B&O RR O 72.4 DISTRICT OF COLUMBIA PENNSYLVANIA RAILROAD "12TH ST OVER PA RR O 92.1 DISTRICT OF COLUMBIA WASHINGTON TERMINAL YARD H STREET OVER RAILROAD O 59.2 DISTRICT OF COLUMBIA B&O RAILROAD S. DAKOTA AVENUE OVER RR D 40.2 DISTRICT OF COLUMBIA PENN RR & B&O RR 9TH ST OVER RAILROAD O 82.7 DISTRICT OF COLUMBIA PENNSYLVANIA RAILROAD NEW YORK AVE OVER PENN RR O 78.2 DISTRICT OF COLUMBIA B&O RAILROAD MONROE ST OVER B&O RR O 75.1 DISTRICT OF COLUMBIA B&O RAILROAD B&O RR & MICHIGAN AVE O 74.0 DISTRICT OF COLUMBIA B&O RAILROAD FRNKLIN ST NE OVER B&O O 85.5 295 DISTRICT OF COLUMBIA PARK RD CONNECTION "ANACOSTIA AVENUE O 82.7 295 DISTRICT OF COLUMBIA SUITLAND PKWY S.E. ANACOSTIA FRWY&SUIT PKWY O 74.1 DISTRICT OF COLUMBIA SUITLAND PKWY SCAP OVER SUITLAND PKWY O 65.7 295 DISTRICT OF COLUMBIA FIRTH STERLING AVE & RR ANACOSTIA FRWY&FIRTH STER O 72.5 295 DISTRICT OF COLUMBIA MALCOM X. AVENUE I-9295 @ MALCOM X. AVE. O 62.0 295 DISTRICT OF COLUMBIA SOUTH CAPITOL ST S.E. ANACOSTIA FRWY & S.CAP.ST O 56.7 295 DISTRICT OF COLUMBIA "S. CAPITOL STREET S.E." O 67.8 295 DISTRICT OF COLUMBIA S.CAPITOL ST S.E. ANACOSTIA & S.CAP.ST O 70.6 295 DISTRICT OF COLUMBIA "CHESAPEAKE STREET S.E." O 70.6 295 DISTRICT OF COLUMBIA "CHESAPEAKE STREET S.E." O 81.9 395 DISTRICT OF COLUMBIA P.B.&W. RAILROAD & RAMP MERGE OF I395 & I 695 SW O 76.6 395 DISTRICT OF COLUMBIA HALF ST TO 2ND ST SW SOUTHWEST FRWY &2ND ST SW O 77.5 395 DISTRICT OF COLUMBIA HALF ST TO 2ND ST SW SOUTHWEST FRWY &2ND ST SW O 73.9 695 DISTRICT OF COLUMBIA SOUTH CAPITOL STREET S CAPITOL ST & SW FREEWAY O 69.0 695 DISTRICT OF COLUMBIA SOUTH CAPITOL STREET S CAPITOL ST & SW FREEWAY O 79.9 695 DISTRICT OF COLUMBIA SOUTH CAPITOL STREET S.CAPITOL ST &SW FREEWAY O 70.1 DISTRICT OF COLUMBIA RAMP A I-395 9TH ST SW OVER I-395 O 59.4 DISTRICT OF COLUMBIA RAMPS A+C I-395 9TH ST SW OVER I-395 O 81.0 695 DISTRICT OF COLUMBIA PB&W R.R.& VIRGINIA AVE. SE FRWY OVER VIRGINIA AVE O 69.5 395 DISTRICT OF COLUMBIA MAINE AVE & SW FRWY SW FRWY &MAINE AVENUE SW O 66.0 395 DISTRICT OF COLUMBIA 12TH STREET SW FRWY & 12TH ST NW O 55.0 395 DISTRICT OF COLUMBIA POTOMAC R. AND OHIO DR. I95 SOUTH OVER POTOMAC R. O 81.0 1 DISTRICT OF COLUMBIA LANE C & C1 I-395 14TH ST NB&SB OVER I-395 O 77.7 DISTRICT OF COLUMBIA CENTER LEG INNER LOOP D ST OVER INNER LOOP NW O 72.4 DISTRICT OF COLUMBIA CENTER LEG INNER LOOP E ST. NW OVER INNER LOOP O 74.1 DISTRICT OF COLUMBIA CENTER LEG INNER LOOP HST OVER INNERLOOP I-395 O 92.0 395 DISTRICT OF COLUMBIA RAMP D SOUTH EXIT I-395 CENTER LEG 3RD ST. CONN. O 67.7 DISTRICT OF COLUMBIA CENTER LEG TUNNEL IND.AVE OVER C LEG TUN.SW O 84.3 395 DISTRICT OF COLUMBIA SB EXIT RMP 3 TO SB I-95 CENTER LEG INNER LOOP O 74.1 DISTRICT OF COLUMBIA C.LEG TUNNEL&RAMP G&J CONST AVE OVER C LEG O 75.9 DISTRICT OF COLUMBIA "CENTER LEG INNER LOOP" O 62.0 66 DISTRICT OF COLUMBIA POT RIVER & POTOMAC PKWY TR BRIDGE-POTOMAC RIVER O 76.0 66 DISTRICT OF COLUMBIA LITTLE RIVER & GW PKWY T ROOSEVELT BR. FROM US50 O 74.0 66 DISTRICT OF COLUMBIA LITTLE R & GW PKWY T ROOSEVELT BR. TO RT. 50 O 90.0 66 DISTRICT OF COLUMBIA INNER LOOP TR BR RAMP&INNER LOOP O 88.4 66 DISTRICT OF COLUMBIA INNER LOOP RP K OVER INNER LOOP O 75.1 66 DISTRICT OF COLUMBIA INNER LOOP NEAR 23RD & KENN CENTER O 85.0 66 DISTRICT OF COLUMBIA INNER LOOP TR BR RAMP C & INNER LOOP O 85.1 66 DISTRICT OF COLUMBIA INNER LOOP TR BRIDGE & INNER LOOP O 74.7 DISTRICT OF COLUMBIA E ST EXPRESSWAY EST EXWY UNDER 23RD ST O 85.8 DISTRICT OF COLUMBIA E STREET EXPWY TUNNEL VIRGINIA AVE OVER E ST. D 48.9 DISTRICT OF COLUMBIA I-695 SOUTHEAST FREEWAY INTERCHANGE'C' O 62.7 695 DISTRICT OF COLUMBIA "11TH ST SE D 66.0 695 DISTRICT OF COLUMBIA "N STREET S.E." O 60.4 695 DISTRICT OF COLUMBIA M ST & 11TH ST S.E. SE FREEWAY & 11TH ST O 63.9 295 DISTRICT OF COLUMBIA ROAD SW WS FREEWAY INTERSECTION I295&I695 O 71.8 295 DISTRICT OF COLUMBIA RAMP SW&WS&FREEWAY INTERSECT I295PI695 O 66.0 DISTRICT OF COLUMBIA RAMP F TUNNEL PENN AVE AT BARNEY CIRCLE O 72.8 2 DISTRICT OF COLUMBIA BOUNDARY CHANNEL 1.7 MILES NORTH OF I-395. O 73.9 1 DISTRICT OF COLUMBIA GWMP (SB) & BOUNDARY CHA 1.6 MILES NORTH OF I-395. O 50.6 2 DISTRICT OF COLUMBIA GWMP (WB) & POTOMAC RIVE 0.3 MILES WEST OF LINCOLN O 89.6 1 DISTRICT OF COLUMBIA "GWMP (SB) BOUNDARY CHAN" O 78.1 1 DISTRICT OF COLUMBIA BOUNDARY CHANNEL 1.0 MILES NORTH OF I-395. O 74.8 1 DISTRICT OF COLUMBIA BOUNDARY CHANNEL 0.3 MILES NORTH OF I-395. O 64.1 17 DISTRICT OF COLUMBIA OHIO DRIVE ADJACENT TO LINCOLN MEMOR D 51.3 12 DISTRICT OF COLUMBIA WASHINGTON CHANNEL ADJACENT TO STRUCTURE NO. D 61.8 11 DISTRICT OF COLUMBIA TIDAL BASIN 0.8 MILES EAST OF LINCOLN O 59.8 17 DISTRICT OF COLUMBIA NPS STORAGE AREA 0.1 MILES WEST OF LINCOLN O 69.1 1 DISTRICT OF COLUMBIA ROCK CREEK 1.0 MILE FROM P STREET O 57.8 1 DISTRICT OF COLUMBIA ROCK CREEK 0.1 MILES FROM P STREET O 50.7 10 DISTRICT OF COLUMBIA ROCK CREEK 1.5 MILES FROM JOYCE ROAD O 59.4 10 DISTRICT OF COLUMBIA ROCK CREEK BROAD BRANCH ROAD INTERSE O 74.3 10 DISTRICT OF COLUMBIA PINEY BRANCH 0.4 MILES FROM TILDEN STR O 68.3 11 DISTRICT OF COLUMBIA ROCK CREEK INTERSECTION WITH BEACH D O 77.4 10 DISTRICT OF COLUMBIA ROCK CREEK 0.3 MILES FROM HARVARD ST Status Rating Road Place County Feature Location D 43.7 12TH STREET EXPRESSWAY

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