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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.

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BridgeLocationConditionYear BuiltLengthADT
IS 270 Maryland Good 2002 67.4 m 45,401
BR OF CONOCOCHEAGUE CREE Maryland Fair 1966 82.3 m 45,040
SEMPLE RUN Maryland Good 1966 62.2 m 45,040
IS 495 OL Maryland Fair 1990 36.0 m 44,696
BOOZE CREEK Maryland Fair 1962 12.3 m 44,290
BR OF PATUXENT RIVER Maryland Fair 1969 7.0 m 44,222
BR OF PATUXENT RIVER Maryland Fair 1970 8.2 m 44,222
PEDESTRIAN WALKWAY Maryland Fair 1975 7.0 m 44,142
PEDESTRIAN WALKWAY Maryland Fair 1975 6.1 m 44,142
BR OF LITTLE PATUXENT RI Maryland Fair 1977 9.4 m 44,142
IS 495 Maryland Good 1958 91.1 m 44,000
BEAVERDAM CREEK Maryland Fair 1964 29.6 m 43,981
BEAVERDAM CREEK Maryland Fair 1964 29.3 m 43,981
MD 170 Maryland Good 1993 49.1 m 43,672
MD 170 Maryland Good 1993 49.1 m 43,672
MD 100 RAMP A Maryland Fair 1996 34.4 m 43,587
IS 97 Maryland Good 1996 94.8 m 43,587
IS 97 Maryland Fair 1996 77.7 m 43,587
BEAVERDAM CREEK Maryland Fair 1977 32.9 m 43,372
MARLEY CREEK Maryland Fair 1988 66.1 m 43,170
MARLEY CREEK Maryland Good 1988 66.1 m 43,170
MD 177 Maryland Good 1988 98.1 m 43,170
MD 177 Maryland Fair 1988 88.4 m 43,170
FISHING CREEK Maryland Fair 1961 19.8 m 43,080
FISHING CREEK Maryland Fair 1972 20.1 m 43,080
HORSEHEAD BRANCH Maryland Good 2012 19.6 m 42,982
INDIAN CREEK Maryland Fair 1942 39.9 m 42,890
SUITLAND PARKWAY Maryland Fair 1943 30.9 m 42,725
HANOVER ROAD Maryland Fair 1950 12.5 m 42,696
HANOVER ROAD Maryland Fair 1950 12.5 m 42,696
PICTURE FRAME BRANCH Maryland Fair 1992 23.0 m 42,672
MD 26 Maryland Good 2018 29.5 m 42,640
MD 26 Maryland Fair 1968 54.6 m 42,640
KITTEN BRANCH Maryland Fair 1947 6.7 m 42,631
IS 695 Maryland Good 2002 57.9 m 42,450
CSX TRANS. Maryland Fair 1957 35.4 m 42,252
CATTAIL BRANCH Maryland Fair 1970 35.4 m 42,242
CANINE ROAD Maryland Good 2005 31.1 m 42,132
GR TONOLOWAY CK CO RDS Maryland Fair 1965 153.0 m 42,052
CSXT RR & WMATA METRO Maryland Fair 1964 50.3 m 41,919
MD 295 Maryland Fair 1957 67.4 m 41,856
FRANCIS AVENUE Maryland Fair 1969 41.8 m 41,831
FRANCIS AVENUE Maryland Fair 1969 41.8 m 41,831
CSX TRANSPORTATION Maryland Fair 1972 71.6 m 41,831
CSX TRANSPORTATION Maryland Good 1972 71.6 m 41,831
US 1 Maryland Fair 1987 66.8 m 41,831
US 1 Maryland Fair 1987 67.7 m 41,831
WILDE LAKE BRANCH Maryland Fair 1967 12.5 m 41,780
RED TOAD RD Maryland Fair 1963 27.7 m 41,762
CONOCOCHEAGUE CREEK Maryland Fair 1966 112.8 m 41,757

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.