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
ROCK CREEK Maryland Fair 1965 10.1 m 6,446
CANAL Maryland Fair 1970 9.8 m 6,440
SANDY BRANCH Maryland Good 2000 10.7 m 6,433
MIDDLE PATUXENT RIVER Maryland Fair 1922 18.3 m 6,403
MONOCACY RIVER Maryland Fair 1970 152.4 m 6,393
HENSON CREEK Maryland Fair 1961 17.7 m 6,380
ROLAND RUN Maryland Fair 1959 22.9 m 6,375
CSX TRANS. LITTLE YOUGH Maryland Fair 1959 69.5 m 6,372
JAMES RUN Maryland Good 2006 18.3 m 6,361
IS 70 Maryland Good 1968 80.8 m 6,355
BALLENGER CREEK Maryland Good 2007 86.0 m 6,345
STONY RUN Maryland Fair 1908 26.5 m 6,340
LITTLE TUSCARORA CREEK Maryland Fair 1930 7.3 m 6,340
MTA JONES FALLS & C. M Maryland Fair 1960 69.5 m 6,335
MTA LIGHT RAIL MARC & Maryland Good 1991 134.1 m 6,332
ROACHES RUN Maryland Fair 1984 31.7 m 6,330
TRIB TO HERRING RUN Maryland Fair 1963 10.6 m 6,328
BOHEMIA RIVER Maryland Fair 1988 362.1 m 6,317
OPOSSUM BRANCH Maryland Fair 1990 11.9 m 6,312
LITTLE SENECA CREEK Maryland Good 2011 9.5 m 6,303
NORTHEAST CREEK Maryland Fair 1945 39.0 m 6,302
PATAPSCO RIVER Maryland Poor 1961 504.1 m 6,300
GUNPOWDER FALLS Maryland Poor 1923 195.1 m 6,296
LOMBARD STREET Maryland Fair 1957 42.1 m 6,293
CSX TRANS Maryland Fair 1967 46.3 m 6,290
I-83 SB Maryland Fair 1959 54.6 m 6,289
AMTRAK Maryland Fair 1987 84.1 m 6,284
DORSEY RUN Maryland Good 1991 15.2 m 6,274
ARUNDEL BRANCH Maryland Good 1990 16.5 m 6,273
BR OF POTOMAC RIVER Maryland Fair 1937 6.4 m 6,272
WASHINGTON RUN Maryland Fair 2008 12.8 m 6,272
MD-295 B/W PARKWAY RAMP Maryland Poor 1950 22.9 m 6,246
CABIN BRANCH Maryland Good 2020 20.3 m 6,239
MORGAN CREEK Maryland Fair 1933 60.4 m 6,235
BUDDS CREEK Maryland Good 1960 15.2 m 6,221
IS 97 Maryland Fair 1991 99.4 m 6,220
SAWMILL CREEK Maryland Fair 1990 9.0 m 6,220
HERRING RUN Maryland Poor 1974 28.7 m 6,214
WATTS BRANCH Maryland Fair 1990 8.5 m 6,213
MD 100 Maryland Good 1995 65.5 m 6,211
HERRING RUN Maryland Fair 1958 117.3 m 6,200
CSX Maryland Fair 1914 8.2 m 6,197
SLAUGHTERHOUSE BRANCH Maryland Good 1990 6.5 m 6,191
OREGON BRANCH Maryland Fair 1952 15.5 m 6,171
GWYNNS FALLS Maryland Fair 1982 143.9 m 6,160
WILLS CREEK / WMSRR Maryland Fair 1955 68.0 m 6,149
AMTRAK Maryland Fair 1980 67.4 m 6,148
CABIN BRANCH Maryland Fair 1958 14.6 m 6,136
GREAT SENECA CREEK Maryland Fair 1931 27.4 m 6,121
SINEPUXENT BAY Maryland Fair 1964 500.5 m 6,115

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.