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
TRIBUTARY TO PISCATAWAY Maryland Fair 1993 9.8 m 1,571
LITTLE ANTIETAM CREEK Maryland Fair 1850 19.9 m 1,560
TRIBUTARY TO WHITE MARSH Maryland Fair 1975 16.1 m 1,559
TUCKAHOE CREEK Maryland Fair 1915 29.6 m 1,551
US 40 ALT Maryland Fair 1973 65.8 m 1,551
MARSHYHOPE CREEK Maryland Fair 1931 143.3 m 1,550
CATOCTIN CREEK Maryland Fair 1953 62.8 m 1,550
WEST BRANCH/WINTERS RUN Maryland Good 1996 13.7 m 1,550
CSX TRANS & N BR POT RIV Maryland Fair 1985 103.1 m 1,546
TOBACCO RUN Maryland Fair 1981 11.9 m 1,545
CONOCOCHEAGUE CREEK Maryland Fair 1932 82.9 m 1,539
TUCKERS BRANCH Maryland Fair 1969 9.8 m 1,535
BEAVERDAM DITCH Maryland Good 2006 11.9 m 1,532
DAVIS BRANCH Maryland Fair 1932 9.1 m 1,532
TRIBUTARY TO PINEY RUN Maryland Good 2007 14.3 m 1,531
ST GEORGES CREEK Maryland Fair 1957 122.5 m 1,530
BREAD AND CHEESE BRANCH Maryland Good 2008 17.4 m 1,530
LITTLE CATTAIL CREEK Maryland Poor 1935 9.7 m 1,525
CAREY BRANCH Maryland Fair 1948 8.2 m 1,518
TOMS CREEK Maryland Fair 1980 36.0 m 1,505
POTOMAC RIVER Maryland Fair 1987 138.7 m 1,502
PEDDLER RUN Maryland Good 1987 7.5 m 1,501
BEAVER CREEK Maryland Fair 1915 8.5 m 1,500
QUARRY BRANCH Maryland Fair 2004 7.0 m 1,500
DORSEY BRANCH Maryland Good 2011 25.0 m 1,500
MILL DAM RUN Maryland Poor 1933 11.0 m 1,497
BRANCH OF HERRING BAY Maryland Fair 1989 14.0 m 1,492
PATAPSCO RIVER Maryland Fair 1957 110.9 m 1,491
TRIB TO PATAPSCO RIVER Maryland Good 1975 10.6 m 1,487
CARROLL CREEK Maryland Fair 1925 20.3 m 1,481
CORSICA CREEK Maryland Fair 1985 28.7 m 1,475
BRANCH OF FRIENDS CREEK Maryland Good 2004 14.9 m 1,471
WEST BRANCH Maryland Fair 1992 9.8 m 1,470
ANTIETAM CREEK Maryland Good 1839 17.1 m 1,470
LITTLE ANTIETAM CREEK Maryland Fair 1965 17.1 m 1,467
TRIBUTARY TO PATAPSCO RI Maryland Fair 1920 13.9 m 1,466
SCOTCHMAN CREEK Maryland Fair 1985 118.8 m 1,465
GRAVELLY BRANCH Maryland Good 2003 23.8 m 1,465
EVITTS CREEK Maryland Good 1975 44.8 m 1,464
BEAVERDAM DITCH Maryland Fair 1950 6.4 m 1,461
UNNAMED STREAM Maryland Good 2019 6.2 m 1,457
GREAT BOHEMIA CREEK Maryland Fair 2002 9.4 m 1,456
MIDDLE CREEK Maryland Fair 1977 17.1 m 1,456
LICKING CREEK Maryland Fair 1938 93.3 m 1,455
MIDDLE PATUXENT RIVER Maryland Poor 1935 11.0 m 1,454
TOMAKOKIN CREEK Maryland Good 1997 9.1 m 1,453
MUDDY BRANCH Maryland Fair 1968 12.5 m 1,453
GREEN HILL CREEK Maryland Fair 1931 12.8 m 1,452
GARLAND LAKE Maryland Good 2017 17.6 m 1,452
TRIBUTARY TO GWYNNS FALL Maryland Fair 1996 21.3 m 1,442

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.