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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| ROACHES RUN | Maryland | Good | 1976 | 19.8 m | 4,304 |
| TRIBUTARY TO GWYNNS FALL | Maryland | Good | 2018 | 17.4 m | 4,304 |
| US 40 NATIONAL PIKE | Maryland | Good | 2020 | 33.2 m | 4,300 |
| US 40 NATIONAL PIKE | Maryland | Good | 2020 | 33.2 m | 4,300 |
| SHERRICKS RUN | Maryland | Fair | 1965 | 48.8 m | 4,300 |
| SOUTHWEST BRANCH | Maryland | Fair | 1968 | 7.3 m | 4,300 |
| STONEY RUN | Maryland | Poor | 1900 | 7.0 m | 4,280 |
| MD 32 | Maryland | Good | 2013 | 72.5 m | 4,275 |
| TUSCARORA CREEK | Maryland | Fair | 1996 | 56.7 m | 4,274 |
| UNDERGROUND CONDUIT | Maryland | Fair | 1930 | 102.2 m | 4,262 |
| FORGE BRANCH | Maryland | Fair | 1932 | 16.8 m | 4,261 |
| TRIBUTARY OF CONOCOCHEAG | Maryland | Good | 2005 | 20.2 m | 4,256 |
| CRANBERRY RUN | Maryland | Fair | 1966 | 18.6 m | 4,242 |
| ST. MARYS RIVER | Maryland | Good | 1990 | 19.2 m | 4,242 |
| ST MARYS RIVER | Maryland | Fair | 1932 | 14.9 m | 4,242 |
| WHITE MARSH RUN | Maryland | Fair | 1971 | 11.9 m | 4,232 |
| BLACKROCK RUN | Maryland | Good | 2001 | 11.0 m | 4,229 |
| PINEY RUN | Maryland | Good | 2017 | 12.2 m | 4,226 |
| HARFORD RUN | Maryland | Fair | 1960 | 7.3 m | 4,223 |
| WOODLAND CREEK | Maryland | Good | 1950 | 9.4 m | 4,211 |
| IS 97 | Maryland | Fair | 1988 | 73.2 m | 4,210 |
| LITTLE BENNETT CREEK TRI | Maryland | Good | 1988 | 9.6 m | 4,210 |
| SAWMILL BRANCH | Maryland | Fair | 1962 | 6.3 m | 4,207 |
| WEST BRANCH/ WINTERS RUN | Maryland | Good | 1999 | 12.2 m | 4,200 |
| LITTLE PATUXENT RIVER | Maryland | Good | 2004 | 15.1 m | 4,200 |
| PERSIMMON CREEK | Maryland | Good | 2021 | 18.1 m | 4,200 |
| LITTLE BENNETT CREEK | Maryland | Good | 1998 | 28.8 m | 4,194 |
| LITTLE TUSCARORA CREEK | Maryland | Fair | 2012 | 14.6 m | 4,173 |
| BURNT MILL BRANCH | Maryland | Fair | 1934 | 6.7 m | 4,162 |
| AYDELOTTE BRANCH | Maryland | Fair | 1961 | 12.2 m | 4,162 |
| HUDSON BRANCH | Maryland | Fair | 1986 | 6.4 m | 4,150 |
| SPILLWAY OF CHESTER RIVE | Maryland | Fair | 1948 | 6.4 m | 4,145 |
| IS 95 & RPS A B COBB RD | Maryland | Fair | 1988 | 152.7 m | 4,145 |
| SOUTH BR PATAPSCO RIVER | Maryland | Fair | 1987 | 16.2 m | 4,137 |
| GREAT SENECA CREEK | Maryland | Fair | 1952 | 16.8 m | 4,131 |
| MD 100 | Maryland | Fair | 1995 | 73.2 m | 4,131 |
| THE NARROWS | Maryland | Fair | 1958 | 7.6 m | 4,126 |
| BENNETT CREEK | Maryland | Good | 2011 | 9.1 m | 4,123 |
| BENNETT CREEK TRIBUTARY | Maryland | Good | 2003 | 13.4 m | 4,123 |
| AYERS CREEK | Maryland | Fair | 1967 | 19.2 m | 4,122 |
| TRAPPE CREEK | Maryland | Fair | 1964 | 15.2 m | 4,122 |
| TRIBUTARY TO GUNPOWDER F | Maryland | Fair | 1978 | 15.2 m | 4,098 |
| CSXT RAILROAD | Maryland | Good | 1996 | 19.2 m | 4,090 |
| LITTLE ANNEMESSEX RIVER | Maryland | Fair | 1966 | 36.0 m | 4,071 |
| I-170 | Maryland | Fair | 1978 | 54.3 m | 4,070 |
| LITTLE MORGAN RUN | Maryland | Fair | 1968 | 12.2 m | 4,061 |
| BENS RUN | Maryland | Fair | 1920 | 9.4 m | 4,059 |
| MILL CREEK | Maryland | Good | 1980 | 22.6 m | 4,054 |
| LITTLE PIPE CREEK | Maryland | Fair | 1922 | 12.2 m | 4,051 |
| LITTLE TONOLOWAY CREEK | Maryland | Fair | 1925 | 14.6 m | 4,051 |
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.