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
SOUTHWEST BRANCH Maryland Fair 1980 21.3 m 21,862
AMTRAK Maryland Good 1989 40.8 m 21,818
WATTS CREEK Maryland Fair 1949 61.3 m 21,772
CURTIS CR B&O RR Maryland Fair 1975 1,014.1 m 21,765
CSXT Maryland Fair 1975 55.8 m 21,765
CHEMICAL ROAD Maryland Fair 1972 34.4 m 21,765
IS 95/IS 495 RAMP 9 Maryland Good 2008 34.1 m 21,741
MD 151 Maryland Fair 1995 49.1 m 21,732
US 29 Maryland Fair 1973 81.7 m 21,673
BUCKHORN RUN Maryland Good 2001 8.5 m 21,671
HENSON CREEK & HENSON CR Maryland Fair 2012 23.2 m 21,647
I-170 Maryland Fair 1976 80.5 m 21,635
SEVERN RUN Maryland Fair 1936 10.4 m 21,621
BR OF OTTER POINT CREEK Maryland Good 1994 17.4 m 21,614
MD 144 ELK LICK RUN Maryland Good 1990 262.1 m 21,600
MD 144 ELK LICK RUN Maryland Good 1990 262.1 m 21,600
US 29 & Ramp SE NB&EB Maryland Good 2011 110.9 m 21,574
Ramp NW Maryland Good 2011 28.8 m 21,574
I95/ I695 (INTERCHANGE) Maryland Good 2008 638.6 m 21,567
CHESTER RIVER Maryland Fair 1967 66.8 m 21,558
ANTIETAM CREEK Maryland Fair 1936 48.8 m 21,558
MTA LIGHT RAIL Maryland Fair 1986 14.6 m 21,549
STONY RUN Maryland Fair 1940 15.3 m 21,540
US 29 & Ramp SE NB&EB Maryland Good 2011 109.1 m 21,522
IS 97 Maryland Fair 1987 81.4 m 21,500
PED. AND HORSE TUNNEL Maryland Good 1987 8.2 m 21,480
JONES FALLS Maryland Fair 1959 61.3 m 21,460
SLIGO CREEK Maryland Fair 1934 13.1 m 21,452
HAMBURG ST & RR Maryland Fair 1982 456.6 m 21,446
CSX RR Maryland Fair 1942 59.1 m 21,441
HERRING CREEK Maryland Fair 1942 25.9 m 21,431
HERRING CREEK Maryland Fair 1942 25.9 m 21,431
STADIUM LOT Maryland Fair 1981 239.3 m 21,421
I-83 & NORFOLK RAILROAD Maryland Fair 1962 136.6 m 21,400
TOWN RUN Maryland Fair 1990 18.9 m 21,360
LAFAYETTE AVE CSX TRANS Maryland Good 1984 60.4 m 21,349
MD 100 EBR Maryland Fair 1963 57.9 m 21,300
LITTLE PATUXENT RIVER Maryland Good 1986 98.8 m 21,288
RED RUN Maryland Good 1990 9.8 m 21,244
TRIBUTARY TO HERRING RUN Maryland Fair 1953 6.1 m 21,244
HORSEPEN BRANCH Maryland Good 2006 16.5 m 21,230
TRIB TO PATUXENT RIVER Maryland Fair 1969 8.5 m 21,230
MD 32 WBR Maryland Good 2001 40.8 m 21,181
MD 2 Maryland Fair 1958 80.5 m 21,141
CABIN BRANCH Maryland Fair 1957 15.2 m 21,141
NORTHWEST BRANCH Maryland Fair 1910 18.3 m 21,112
WINTERS RUN Maryland Poor 1963 39.9 m 21,112
MD 119 Maryland Fair 1989 53.3 m 21,111
BUSH CREEK Maryland Fair 1935 33.8 m 21,093
OTTER POINT CREEK Maryland Fair 1935 40.2 m 21,093

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.