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
HALETHORPE FARMS RD Maryland Fair 1957 27.4 m 8,846
TRANSWAY ROAD Maryland Fair 1957 33.2 m 8,846
ROCK CREEK TRIBUTARY Maryland Fair 1968 6.2 m 8,841
ROCK CREEK TRIBUTARY Maryland Fair 1968 8.6 m 8,841
IS 95/495 & RAMP A(8) Maryland Good 2005 147.8 m 8,837
I-95 Maryland Good 2011 150.4 m 8,815
PATAPSCO RIVER Maryland Fair 1961 92.4 m 8,800
TONY TANK LAKE Maryland Fair 1955 13.2 m 8,796
PARKING LOTS Maryland Fair 1976 150.9 m 8,794
NORTHEAST BRANCH Maryland Poor 1964 42.7 m 8,781
TUCKERS BRANCH Maryland Good 1976 20.1 m 8,770
SOUTH BRANCH PATAPSCO RI Maryland Fair 1973 34.7 m 8,770
PINEY BRANCH Maryland Fair 1982 10.7 m 8,770
IS 495X NBR Maryland Good 1962 62.5 m 8,755
TRIBUTARY TO GWYNNS FALL Maryland Fair 1954 7.0 m 8,752
BR OF MATTAWOMAN CREEK Maryland Poor 1951 8.2 m 8,750
ROCK CREEK Maryland Fair 1962 46.9 m 8,742
SMITHVILLE DITCH Maryland Fair 1957 8.0 m 8,721
JONES FALLS Maryland Fair 1957 6.8 m 8,700
SEVERN RUN Maryland Fair 1933 12.4 m 8,680
JENNINGS RUN Maryland Good 1957 24.7 m 8,670
ROCK CREEK Maryland Fair 1966 13.4 m 8,663
US 40 Maryland Fair 1941 67.7 m 8,661
BENS RUN Maryland Fair 1972 11.6 m 8,650
LITTLE PATUXENT RIVER Maryland Good 1987 48.4 m 8,650
PLUMTREE BRANCH Maryland Poor 1987 15.0 m 8,641
CABIN BRANCH Maryland Fair 1970 7.9 m 8,631
AMTRAK Maryland Fair 1943 54.9 m 8,627
AMTRAK Maryland Fair 1943 54.9 m 8,626
BIG ELK CREEK Maryland Fair 1932 33.8 m 8,616
SILVER CREEK Maryland Good 2022 15.2 m 8,611
ROCK CREEK TRIBUTARY Maryland Fair 1965 13.7 m 8,611
BRIER DITCH Maryland Fair 1970 7.3 m 8,610
TRIBUTARY TO WHITE MARSH Maryland Fair 1981 12.2 m 8,604
HERBERT RUN Maryland Fair 1957 70.6 m 8,600
IS 495 Maryland Fair 1962 72.5 m 8,600
CALVERT ACCESS ROAD Maryland Fair 1957 36.6 m 8,600
LITTLE PATUXENT RIVER Maryland Good 1982 101.9 m 8,593
SLIGO CREEK TRIBUTARY Maryland Poor 1961 10.4 m 8,590
IS 97 Maryland Good 2004 83.5 m 8,580
BRANCH OF FURNACE CREEK Maryland Fair 1975 8.4 m 8,562
W BRANCH OF HERRING RUN Maryland Fair 1930 9.1 m 8,543
PURPLE LINE Maryland Good 2019 37.8 m 8,542
CARROLL CREEK Maryland Good 1995 13.4 m 8,541
WESTERN RUN Maryland Fair 1952 25.6 m 8,531
CABIN JOHN CREEK Maryland Fair 1991 8.5 m 8,530
MD 10 Maryland Fair 1988 81.4 m 8,520
LITTLE GUNPOWDER FALLS Maryland Fair 1928 31.7 m 8,520
WHITEMARSH BRANCH Maryland Fair 1961 8.9 m 8,511
BIG ELK CREEK Maryland Good 2020 44.1 m 8,500

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.