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 |
|---|---|---|---|---|---|
| WYE NARROWS | Maryland | Fair | 1990 | 214.0 m | 113 |
| PISCATAWAY CREEK | Maryland | Fair | 1974 | 36.0 m | 112 |
| COOPERS RUN | Maryland | Good | 2016 | 21.3 m | 112 |
| DEER CREEK | Maryland | Fair | 1925 | 65.8 m | 112 |
| IS 68 | Maryland | Fair | 1990 | 65.2 m | 110 |
| CSXT RAILROAD | Maryland | Poor | 1930 | 14.0 m | 110 |
| CSXT RAILROAD | Maryland | Poor | 1929 | 47.2 m | 110 |
| PRETTYBOY BRANCH | Maryland | Fair | 1932 | 10.4 m | 110 |
| BASIN RUN | Maryland | Fair | 1977 | 26.1 m | 110 |
| TRIB TO LITTLE PATUXENT | Maryland | Good | 1972 | 6.4 m | 110 |
| POCOMOKE RIVER | Maryland | Good | 2007 | 29.9 m | 110 |
| CAREY BRANCH | Maryland | Poor | 1989 | 9.4 m | 110 |
| PAINT BRANCH | Maryland | Good | 2009 | 153.5 m | 110 |
| PATAPSCO RIVER | Maryland | Good | 1975 | 45.4 m | 110 |
| CSXT RAILROAD | Maryland | Poor | 1885 | 14.0 m | 109 |
| MILL CREEK | Maryland | Fair | 2004 | 9.8 m | 109 |
| BEAVER CREEK | Maryland | Fair | 1993 | 17.1 m | 109 |
| SULLIVAN BRANCH | Maryland | Poor | 1953 | 8.1 m | 108 |
| FIFTEEN MILE CREEK | Maryland | Fair | 1940 | 10.4 m | 107 |
| C&O CANAL | Maryland | Good | 2014 | 13.4 m | 105 |
| WINDMILL ISLAND CREEK | Maryland | Poor | 1982 | 11.6 m | 105 |
| CONE BRANCH | Maryland | Fair | 1982 | 15.5 m | 105 |
| CONE BRANCH | Maryland | Good | 1982 | 19.5 m | 105 |
| LAKE CHURCHILL TRIBUTARY | Maryland | Fair | 1992 | 8.7 m | 105 |
| BOOZE CREEK | Maryland | Poor | 1959 | 8.8 m | 105 |
| NORTHWEST BRANCH TRIBUTA | Maryland | Good | 1972 | 6.4 m | 105 |
| MILL CREEK TRIBUTARY | Maryland | Fair | 1983 | 6.4 m | 105 |
| ROLAND RUN | Maryland | Fair | 1992 | 32.0 m | 104 |
| LUTES RUN | Maryland | Fair | 1983 | 7.6 m | 104 |
| LITTLE DEER CREEK | Maryland | Good | 2007 | 9.1 m | 103 |
| AMTRAK | Maryland | Good | 1994 | 39.6 m | 102 |
| BIG PIPE CREEK | Maryland | Fair | 1974 | 38.4 m | 102 |
| MILL BROOK | Maryland | Fair | 1988 | 9.8 m | 102 |
| HAMMOND BRANCH | Maryland | Fair | 1969 | 7.6 m | 102 |
| FROG HOLLOW RUN | Maryland | Fair | 2001 | 7.6 m | 101 |
| TRIB / L GUNPOWDER FALLS | Maryland | Good | 2003 | 10.1 m | 101 |
| DEEP RUN | Maryland | Good | 1973 | 15.2 m | 101 |
| TRIBUTARY TO LITTLE GUNP | Maryland | Good | 1985 | 7.3 m | 101 |
| LONG GREEN CREEK | Maryland | Good | 1989 | 18.1 m | 100 |
| COULTON RUN | Maryland | Fair | 1978 | 20.7 m | 100 |
| TRIBUTARY TO HERRING RUN | Maryland | Fair | 1963 | 7.7 m | 100 |
| TRIBUTARY TO MINEBANK RU | Maryland | Fair | 2005 | 16.8 m | 100 |
| ROCK RUN | Maryland | Poor | 1940 | 8.8 m | 100 |
| NEALE SOUND | Maryland | Good | 1997 | 9.1 m | 100 |
| TRIBUTARY TO PINEY BRANC | Maryland | Good | 2021 | 10.0 m | 100 |
| NORTH BRANCH CASSELMAN R | Maryland | Fair | 1988 | 10.4 m | 100 |
| TRIBUTARY TO NORTH BRANC | Maryland | Poor | 1930 | 9.1 m | 100 |
| MIDDLE PATUXENT RIVER | Maryland | Fair | 1970 | 7.7 m | 100 |
| ROCKBURN BRANCH | Maryland | Poor | 1950 | 13.4 m | 100 |
| OLD MILL STREAM BRANCH | Maryland | Poor | 1955 | 11.3 m | 100 |
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.