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
LONG GREEN CREEK Maryland Fair 1988 18.6 m 1,841
BROAD RUN TRIBUTARY Maryland Good 2014 7.3 m 1,836
NORTH MIDDLE RUN Maryland Good 1974 9.5 m 1,836
FLAT RUN Maryland Fair 1927 15.2 m 1,820
BRANCH OF FLAT RUN Maryland Fair 1991 7.0 m 1,817
BIG ELK CREEK Maryland Fair 1972 50.6 m 1,817
TRIB TO SUCKER BRANCH Maryland Fair 2003 9.2 m 1,814
I-95 Maryland Fair 1963 89.4 m 1,810
IS 595 RAMPS E-N & W-N Maryland Good 1992 41.1 m 1,806
GWYNNS FALLS Maryland Fair 1973 19.8 m 1,800
BR OF TUSCARORA CREEK Maryland Good 2009 8.2 m 1,797
NELSONS RUN Maryland Fair 1929 7.0 m 1,791
BURROUGHS RUN Maryland Fair 1929 12.2 m 1,791
TRIBUTARY TO LONG BRANCH Maryland Fair 2001 17.9 m 1,790
BIG SHADE RUN Maryland Fair 1932 9.4 m 1,783
LITTLE TUSCARORA CREEK Maryland Fair 1975 10.1 m 1,783
YOUGHIOGHENY RIVER Maryland Fair 1960 31.2 m 1,782
SLIGO CREEK Maryland Fair 1930 10.9 m 1,774
BENNETT CREEK Maryland Fair 1990 9.8 m 1,771
WEST BRANCH and WINTERS Maryland Good 1995 14.9 m 1,770
PINEY CREEK Maryland Good 2015 7.5 m 1,762
CLARK RUN Maryland Good 1998 14.6 m 1,760
POTTS MILL CREEK Maryland Fair 1911 10.4 m 1,759
TRIB / BYNUM RUN Maryland Fair 1990 6.4 m 1,759
ABANDONED RAILROAD Maryland Fair 1981 27.7 m 1,757
COMPASS RUN Maryland Fair 1920 7.1 m 1,755
MORGAN RUN Maryland Fair 1988 19.3 m 1,754
MURPHY RUN Maryland Poor 1960 7.5 m 1,745
TRIB OF CHOPTANK RIVER Maryland Fair 1972 6.2 m 1,745
WILLETT BRANCH Maryland Good 1999 7.3 m 1,744
TRIB TO INDIAN CREEK Maryland Fair 1948 7.9 m 1,743
NO. 9 TROLLEY TRAIL Maryland Fair 1900 31.1 m 1,741
BR OF LITTLE MONOCACY RI Maryland Good 2003 8.2 m 1,732
CSXT RAILROAD Maryland Fair 1925 15.6 m 1,727
PLUMTREE RUN Maryland Good 1999 12.5 m 1,723
TRIBUTARY TO GUNPOWDER F Maryland Good 1984 6.7 m 1,713
CRABTREE CREEK Maryland Fair 1934 7.9 m 1,711
TRIBUTARY TO LITTLE PATU Maryland Fair 1968 7.9 m 1,705
ROOP BRANCH Maryland Fair 1948 6.2 m 1,702
MILL CREEK Maryland Good 2006 19.8 m 1,700
PRINCIPIO CREEK Maryland Good 1995 23.2 m 1,700
PRINCIPO CREEK Maryland Fair 1995 9.4 m 1,700
STEMMERS RUN Maryland Fair 1929 14.3 m 1,700
LITTLE FALLS Maryland Fair 1986 19.8 m 1,699
ANTIETAM CREEK Maryland Good 1840 36.6 m 1,698
ANTIETAM CREEK Maryland Good 1839 40.2 m 1,698
ANTIETAM CREEK Maryland Good 1841 6.1 m 1,698
WEST BRANCH PATAPSCO RIV Maryland Good 1978 50.7 m 1,697
FALLSWAY Maryland Fair 1900 15.2 m 1,695
TRIB / THOMAS RUN Maryland Fair 1973 7.0 m 1,690

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.