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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
NORTHWEST BRANCH Maryland Good 1934 27.4 m 41,631
NORTHWEST BRANCH Maryland Fair 1987 7.3 m 41,631
IS 695 Maryland Good 2005 93.0 m 41,520
IS 95 Maryland Fair 1971 94.5 m 41,378
MTA LIGHT RAIL Maryland Fair 1961 49.3 m 41,335
ROCK CREEK Maryland Fair 1954 31.7 m 41,271
PAINT BRANCH Maryland Fair 1955 34.7 m 41,260
TRIB TO PAINT BRANCH Maryland Good 1955 7.0 m 41,260
ZEKIAH SWAMP Maryland Fair 1931 10.7 m 41,209
MD 151 NBR Maryland Fair 1967 75.3 m 41,012
MD 151 NBR Maryland Fair 1967 74.7 m 41,012
NORFOLK SOUTHERN RR Maryland Fair 1966 63.4 m 41,012
NORFOLK SOUTHERN RR Maryland Fair 1966 65.5 m 41,012
MD 695 RMP 1(MERRITT BL) Maryland Fair 1966 88.4 m 41,012
MD 695 RMP 1(MERRITT BL) Maryland Fair 1966 76.2 m 41,012
MD 150 Maryland Fair 1965 74.4 m 41,012
MD 150 Maryland Fair 1965 73.2 m 41,012
AMTRAK/WMATA/CSXT Maryland Fair 1977 69.8 m 40,870
ROCK CREEK Maryland Fair 1957 53.3 m 40,845
ST PAUL RD Maryland Fair 1965 35.1 m 40,770
ASHTON RD Maryland Fair 1965 25.9 m 40,770
MEADOW BROOK CREEK Maryland Fair 1967 24.4 m 40,770
ST PAUL RD Maryland Fair 1965 36.6 m 40,770
LITTLE CONOCOCHEAGUE CRE Maryland Fair 1965 12.5 m 40,770
LITTLE CONOCOCHEAGUE CRE Maryland Good 1965 21.9 m 40,770
ASHTON RD Maryland Fair 1965 30.2 m 40,770
MEADOW BROOK CREEK Maryland Good 1967 40.5 m 40,770
IS 270 & C-D ROADS Maryland Fair 1987 105.2 m 40,730
NORTHWEST BRANCH Maryland Fair 1939 18.9 m 40,653
MD 695 Maryland Fair 1968 65.5 m 40,541
CLARA BARTON PARKWAY (SB Maryland Poor 1959 429.5 m 40,057
BW PARKWAY (SBL) Maryland Fair 1991 29.4 m 39,870
BW PARKWAY (NBL) Maryland Fair 1991 30.7 m 39,870
BW PARKWAY (SBL) Maryland Fair 1991 29.5 m 39,870
MATTAWOMAN CREEK Maryland Good 1995 50.6 m 39,800
MATTAWOMAN CREEK Maryland Good 1995 50.6 m 39,800
PINEY BRANCH Maryland Fair 1957 11.9 m 39,800
HONEYGO RUN Maryland Fair 1935 8.8 m 39,760
WEEMS CREEK Maryland Good 2006 217.0 m 39,643
STEMMERS RUN Maryland Fair 1973 13.4 m 39,620
SHADY BRANCH Maryland Good 1988 19.8 m 39,581
IS-370 RP1 MD200 RP7 Maryland Good 2010 36.0 m 39,531
IS-370 RP1 MD200 RP7 Maryland Good 2010 36.0 m 39,531
CSX TRANSPORTATION Maryland Fair 1931 30.5 m 39,381
TOWSON RUN Maryland Fair 1957 11.2 m 39,381
PATAPSCO RIVER FLATS Maryland Good 1957 725.6 m 39,350
WESTERN RUN Maryland Fair 1950 7.9 m 39,339
STEMMERS RUN Maryland Fair 1960 39.0 m 39,242
IS 695 RAMP J Maryland Fair 1965 73.2 m 39,171
DEAD RUN Maryland Fair 1961 9.9 m 39,171

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.