Browse Bridge Database

5,500 bridges in the FHWA National Bridge Inventory in Maryland.

National Bridge Inventory Database

Browse 5,500 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.

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BridgeLocationConditionYear BuiltLengthADT
WILSON RUN Maryland Fair 1925 9.1 m 10,524
CSXT RR & WMATA METRO Maryland Fair 1981 37.5 m 10,524
GWYNNS FALLS Maryland Fair 1975 55.5 m 10,523
WASH BLVD & GWYNNS FALLS Maryland Fair 1977 293.8 m 10,520
KINGS CREEK Maryland Fair 1962 13.7 m 10,500
MD 295 Maryland Fair 2001 79.2 m 10,499
TRIB TO BALD HILL BRANCH Maryland Fair 2000 6.1 m 10,499
PURNELL BRANCH Maryland Fair 1975 22.3 m 10,491
NORTHEAST CREEK Maryland Good 2001 26.8 m 10,462
CSX TRANSPORTATION RR Maryland Good 1955 42.1 m 10,461
CSX TRANSPORTATION Maryland Fair 1982 32.3 m 10,440
I-95/I-495 Maryland Fair 1990 135.0 m 10,413
ROCK CREEK NORTH BRANCH Maryland Fair 1959 12.8 m 10,400
Reddy Branch Maryland Good 2022 38.2 m 10,400
Meadow Branch Maryland Good 2021 47.4 m 10,400
I-83 JONES FALLS & MTA Maryland Poor 1925 240.5 m 10,400
IS 495 & THOMAS BRANCH Maryland Fair 1962 104.5 m 10,370
MD 290 Maryland Fair 1967 42.7 m 10,370
RED LION BRANCH Maryland Fair 1967 28.3 m 10,370
UNICORN BRANCH Maryland Fair 1955 46.6 m 10,370
UNICORN BRANCH Maryland Fair 1967 46.6 m 10,370
COLLEGE CREEK Maryland Good 1987 146.9 m 10,364
WESTERN RUN Maryland Fair 1922 28.0 m 10,344
GREAT SENECA CREEK Maryland Good 1989 78.0 m 10,344
LONG DRAUGHT BRANCH Maryland Good 1990 56.7 m 10,344
HAMMONDS FERRY RD Maryland Fair 1957 43.5 m 10,334
CSX Maryland Fair 1900 7.9 m 10,312
RED RUN Maryland Fair 1997 19.2 m 10,305
MD 32 Maryland Good 1991 77.1 m 10,271
SILVER RUN Maryland Fair 1987 18.0 m 10,250
DEEP CREEK Maryland Good 2008 29.7 m 10,248
CSX RAILROAD Maryland Poor 1940 60.7 m 10,242
WOOTENAUX CREEK Maryland Fair 1936 11.6 m 10,230
BEAVERDAM BRANCH Maryland Fair 1944 19.5 m 10,230
IS 270 & C-D ROADS Maryland Fair 1988 95.7 m 10,211
SOUTH RIVER Maryland Fair 1959 480.4 m 10,210
IS 270 RAMP B Maryland Good 1995 168.9 m 10,196
LITTLE GUNPOWDER FALLS Maryland Fair 1928 17.1 m 10,192
IS 95 IS 595 RAMPS A&D Maryland Good 1992 460.6 m 10,183
US 13 BU Maryland Good 1972 80.3 m 10,172
I-83 AND JONES FALLS Maryland Poor 1930 377.3 m 10,157
IS 695 Maryland Good 2001 80.8 m 10,140
REDHOUSE CREEK Maryland Fair 1952 8.7 m 10,130
CARROLL CREEK Maryland Fair 1991 21.0 m 10,130
SEVERN RUN Maryland Good 2001 19.2 m 10,126
IS 70 Maryland Fair 1966 73.8 m 10,111
BLACK BRANCH Maryland Good 2022 15.9 m 10,100
DULANEY VALLEY BRANCH Maryland Good 2011 14.9 m 10,100
ISRAEL CREEK Maryland Good 2000 62.8 m 10,092
LONG QUARTER BRANCH Maryland Fair 1959 7.0 m 10,087

Frequently Asked Questions

The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.

ADT stands for Average Daily Traffic, the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.

Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.