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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
ROCK CREEK Maryland Good 2010 93.0 m 62,479
LONG BRANCH Maryland Fair 1985 20.2 m 62,311
US 40(PULASKI HWY) Maryland Fair 1973 85.0 m 62,158
MD 650 Maryland Fair 1957 62.5 m 61,922
MD 3E Maryland Good 1989 43.3 m 61,810
IS 595 Maryland Good 1991 123.7 m 61,602
RIVA ROAD Maryland Good 1991 46.0 m 61,602
US 29 Maryland Fair 1980 67.1 m 61,442
US 29 Maryland Fair 1980 67.1 m 61,442
MIDDLE PATUXENT RIVER Maryland Good 1995 143.0 m 61,442
BR OF CONOCOCHEAGUE CREE Maryland Fair 1965 49.1 m 61,350
POTOMAC RIVER Maryland Good 1965 360.9 m 61,300
MD 63/68 Maryland Good 1965 50.3 m 61,300
MD 63/68 Maryland Good 1965 50.3 m 61,300
POTOMAC RIVER Maryland Good 1965 360.9 m 61,300
WHITEHALL RD Maryland Fair 1967 43.9 m 61,140
LANDIS SPRING BRANCH Maryland Fair 1966 83.5 m 61,140
WHITEHALL RD Maryland Fair 1967 43.9 m 61,140
MIDDLE BRANCH Maryland Fair 1979 435.6 m 60,992
MD 65 Maryland Good 2023 57.9 m 60,800
MD 65 Maryland Good 2023 57.9 m 60,800
CSX TRANS. Maryland Fair 1968 36.9 m 60,800
CSX TRANS. Maryland Good 1968 36.9 m 60,800
CONRAIL YARDS Maryland Fair 1982 75.3 m 60,485
N BRANCH OF PATAPSCO RIV Maryland Good 1946 63.2 m 60,433
NORTHWEST BRANCH Maryland Fair 1976 22.9 m 60,342
THORNTON MILL ROAD Maryland Fair 1953 33.8 m 60,263
THORNTON MILL ROAD Maryland Fair 1959 34.1 m 60,263
WESTERN RUN Maryland Fair 1953 63.1 m 60,263
RELOCATED RANDOLPH ROAD Maryland Good 2009 54.9 m 60,000
SPRING RIDGE PKWY Maryland Good 1985 27.4 m 59,922
OLD NATIONAL PIKE Maryland Fair 1985 54.9 m 59,922
SPRING RIDGE PKWY Maryland Good 1985 27.4 m 59,922
OLD NATIONAL PIKE Maryland Fair 1985 54.9 m 59,922
GUNPOWDER FALLS Maryland Fair 1958 109.4 m 59,820
GUNPOWDER FALLS Maryland Fair 1958 125.0 m 59,820
BUNKER HILL ROAD Maryland Fair 1955 30.5 m 59,820
Bunker Hill Road Maryland Fair 1955 30.5 m 59,820
IS 95/495 Maryland Fair 1963 77.1 m 59,304
HERRING RUN Maryland Poor 1921 46.9 m 58,858
BRANCH OF CYPRESS CREEK Maryland Fair 1971 10.3 m 58,858
BLACKROCK CREEK Maryland Good 1968 106.7 m 58,600
BLACK ROCK RD Maryland Good 2009 36.3 m 58,600
MD 66 Maryland Fair 1968 44.5 m 58,600
BLACK ROCK RD Maryland Good 2009 36.3 m 58,600
CRYSTAL FALLS DRIVE Maryland Fair 1968 40.8 m 58,600
MD 66 Maryland Fair 1966 44.5 m 58,600
WB MCCOMAS ST Maryland Fair 1982 762.0 m 58,406
KEY HIGHWAY Maryland Fair 1982 649.2 m 58,406
LIVINGSTON ROAD Maryland Good 2008 29.0 m 57,732

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.