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
HAMILTON RUN Maryland Good 1995 31.7 m 7,080
CSX RAILROAD Maryland Poor 1961 61.6 m 7,077
TRIB TO HENSON CREEK Maryland Fair 1978 10.1 m 7,075
LITTLE PATUXENT RIVER Maryland Good 1975 49.8 m 7,073
PATUXENT RIVER Maryland Poor 1920 35.8 m 7,068
CABIN BRANCH Maryland Good 2020 20.3 m 7,060
DOGWOOD RUN Maryland Good 2018 9.8 m 7,043
MD 139 Maryland Fair 1958 89.3 m 7,031
IS 83/IS 695 & RAMP 7 Maryland Good 2005 112.8 m 7,031
AMTRAK Maryland Poor 1931 195.1 m 7,030
GWYNNS FALLS Maryland Fair 1963 42.7 m 7,029
PINEY BRANCH Maryland Good 1994 34.1 m 7,023
PINEY BRANCH Maryland Good 1994 34.1 m 7,022
CLARA BARTON PKY & CANAL Maryland Fair 1963 133.8 m 7,021
GUILFORD AVE Maryland Fair 1976 129.8 m 7,014
LITTLE GUNPOWDER FALLS Maryland Fair 1931 19.2 m 7,011
NORTHWEST BRANCH Maryland Fair 1932 28.3 m 7,001
PATAPSCO RIVER Maryland Poor 1961 504.1 m 7,000
CLARA BARTON PKWY WBR Maryland Fair 1963 67.1 m 7,000
WINCHESTER & WESTERN RR Maryland Fair 1965 35.4 m 7,000
RUSSELL ST Maryland Fair 1976 464.8 m 6,997
IS 81 Maryland Fair 1964 83.5 m 6,988
IS 81 Maryland Good 1964 83.9 m 6,988
LITTLE NORTHEAST CREEK Maryland Fair 1931 8.2 m 6,982
TRIB TO LIT ANTIETAM CRK Maryland Fair 1957 7.9 m 6,981
DEERFIELD RUN Maryland Fair 1971 6.7 m 6,970
MATAPONI CREEK Maryland Good 1972 31.4 m 6,962
CARSINS RUN Maryland Fair 1978 19.5 m 6,960
GUNNERS BRANCH Maryland Good 1989 10.9 m 6,945
NORTH RIVER Maryland Good 1989 13.8 m 6,927
CSXT RAILROAD Maryland Fair 1986 35.7 m 6,897
CARROLL CREEK Maryland Fair 1995 15.2 m 6,880
TRIBUTARY 96 Maryland Good 1995 9.4 m 6,880
DULANEY BRANCH Maryland Fair 1952 10.7 m 6,872
MD 4 Maryland Fair 1988 71.6 m 6,871
LITTLE PATUXENT RIVER Maryland Good 1990 62.2 m 6,870
CARROLL CREEK Maryland Good 1994 31.7 m 6,869
WESTERN RUN Maryland Fair 1973 18.6 m 6,868
IS 68 Maryland Fair 1972 68.3 m 6,853
RADCLIFF CREEK Maryland Fair 1950 11.6 m 6,850
I95 NB I95 SB CSX Maryland Fair 1974 235.2 m 6,819
HERRING RUN QUAD AVE Maryland Fair 1974 244.5 m 6,819
US 301 NBR Maryland Good 1959 38.0 m 6,803
NORTHEAST CREEK Maryland Fair 1968 33.5 m 6,802
HERRING RUN TRAIL Maryland Good 2022 8.5 m 6,791
MD 200 (ICC) Maryland Good 2010 67.7 m 6,790
ROCK CREEK Maryland Fair 1968 47.2 m 6,789
PISCATAWAY CREEK Maryland Poor 1955 16.5 m 6,771
PISCATAWAY CREEK Maryland Poor 1932 20.1 m 6,771
IS 95 Maryland Fair 1969 93.0 m 6,764

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.