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
MOORES RUN Maryland Fair 1964 250.9 m 4,563
NASSAWANGO CREEK Maryland Fair 1927 14.6 m 4,540
TRIBUTARY TO SLIGO CREEK Maryland Fair 1961 7.3 m 4,540
CATTAIL BRANCH Maryland Fair 1968 13.1 m 4,536
CONOCOCHEAGUE CREEK Maryland Fair 1829 50.9 m 4,532
EDISON BRANCH Maryland Fair 1989 6.1 m 4,532
SAND SPRING RUN Maryland Good 1975 9.8 m 4,531
MOUNTAIN BRANCH Maryland Good 2003 17.1 m 4,530
GRAVEL RUN Maryland Fair 1958 6.3 m 4,530
N BRANCH POTOMAC RIVER Maryland Fair 1985 74.8 m 4,527
US 301 Maryland Good 2017 83.2 m 4,525
MATTAWOMAN CREEK Maryland Fair 1978 41.5 m 4,509
BALD HILL BRANCH Maryland Fair 2000 10.4 m 4,503
IS 81 Maryland Fair 1963 82.6 m 4,502
MATAPONI CREEK Maryland Fair 1930 13.7 m 4,500
ROCK BRANCH Maryland Good 1999 17.7 m 4,500
FULL MILL BRANCH Maryland Good 1999 7.0 m 4,500
MIDDLE CREEK Maryland Fair 1932 23.2 m 4,480
MONOCACY RIVER Maryland Fair 1973 152.4 m 4,472
US 340 Maryland Fair 1964 89.0 m 4,460
IS 95 Maryland Fair 1971 191.7 m 4,443
MATTAWOMAN CREEK Maryland Good 2017 16.6 m 4,441
TRIBUTARY TO GWYNNS FALL Maryland Fair 1955 12.6 m 4,436
TRIBUTARY 89 Maryland Good 2019 23.8 m 4,430
LITTLE PIPE CREEK Maryland Good 1953 41.5 m 4,425
TRIBUTARY TO PARKS RUN Maryland Good 1966 8.4 m 4,425
IS 270 Maryland Fair 1958 83.8 m 4,422
TRIBUTARY TO MIDDLE PATU Maryland Fair 1970 6.6 m 4,417
BEAR CR/FISH HATCHERY RD Maryland Fair 2000 87.8 m 4,402
IS 68 Maryland Fair 1975 103.6 m 4,402
DORSEY CREEK Maryland Fair 1983 152.2 m 4,400
DORSEY CREEK Maryland Good 2011 71.5 m 4,400
GEORGES RUN Maryland Good 2015 18.0 m 4,400
LITTLE CATOCTIN CREEK Maryland Good 2020 32.8 m 4,400
CHURCH CREEK Maryland Fair 1936 7.0 m 4,400
TRIBUTARY TO WHITE MARSH Maryland Good 2015 66.4 m 4,393
IS 70 Maryland Fair 1966 69.8 m 4,382
AMTRAK RAILROAD Maryland Good 2000 62.5 m 4,370
IS 95 Maryland Fair 1971 119.8 m 4,360
WEST BRANCH HERBERT RUN Maryland Fair 1959 13.3 m 4,355
HUNTING CREEK Maryland Fair 1970 21.6 m 4,351
SEVERN RUN Maryland Fair 1974 14.0 m 4,339
SOUTH BR GUNPOWDER FALLS Maryland Good 2020 34.7 m 4,337
BR OF BIG ELK CREEK Maryland Fair 1931 8.5 m 4,331
BR OF BIG ELK CREEK Maryland Fair 1931 8.5 m 4,331
BYNUM RUN Maryland Fair 1976 13.4 m 4,310
PARKER BRANCH Maryland Fair 1985 8.7 m 4,309
HILTON PARKWAY Maryland Fair 1952 20.4 m 4,309
EAST BRANCH /WINTERS RUN Maryland Poor 1950 8.5 m 4,308
LITTLE SENECA CREEK TRIB Maryland Good 2011 7.7 m 4,305

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.