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 |
|---|---|---|---|---|---|
| BEAR CREEK | Maryland | Fair | 1935 | 12.8 m | 27 |
| TRIB TO BONNIE BR | Maryland | Good | 2000 | 7.3 m | 27 |
| ROCK CREEK | Maryland | Fair | 1950 | 12.3 m | 27 |
| TROUT RUN | Maryland | Good | 2018 | 7.3 m | 26 |
| PATUXENT RIVER | Maryland | Fair | 1907 | 27.4 m | 25 |
| ROCK CREEK | Maryland | Fair | 1969 | 7.6 m | 25 |
| FALLING BRANCH | Maryland | Fair | 1973 | 14.6 m | 25 |
| BIG PIPE CREEK | Maryland | Fair | 1947 | 33.5 m | 24 |
| STONEY RUN | Maryland | Fair | 1965 | 12.2 m | 23 |
| SAMS CREEK | Maryland | Fair | 1908 | 20.6 m | 23 |
| LITTLE MONOCACY RIVER TR | Maryland | Good | 2010 | 7.3 m | 23 |
| MAPLE RUN | Maryland | Poor | 1978 | 21.3 m | 22 |
| FALLING BRANCH | Maryland | Fair | 1973 | 11.6 m | 22 |
| LITTLE CATTAIL CREEK | Maryland | Fair | 1995 | 9.1 m | 22 |
| BUCK BRANCH TRIBUTARY | Maryland | Fair | 1987 | 6.6 m | 21 |
| LITTLE PATUXENT RIVER | Maryland | Good | 2004 | 61.9 m | 20 |
| DAVIS BRANCH | Maryland | Good | 1995 | 8.4 m | 20 |
| WATTS BRANCH | Maryland | Good | 2009 | 18.3 m | 20 |
| BLUE BLAZES CREEK | Maryland | Good | 2019 | 10.4 m | 20 |
| WETIPQUIN CREEK | Maryland | Good | 1994 | 12.2 m | 16 |
| FALLING BRANCH | Maryland | Good | 2024 | 11.3 m | 13 |
| DOUBS BRANCH | Maryland | Good | 1986 | 10.1 m | 12 |
| MILL RUN | Maryland | Fair | 1986 | 13.1 m | 12 |
| PASSERDYKE CREEK | Maryland | Fair | 1996 | 13.5 m | 12 |
| ELBOW BRANCH | Maryland | Fair | 1962 | 16.8 m | 11 |
| MILL RUN | Maryland | Poor | 1935 | 8.5 m | 11 |
| WINTERS RUN | Maryland | Fair | 1913 | 16.5 m | 11 |
| JENNINGS RUN | Maryland | Fair | 1959 | 16.8 m | 10 |
| SALTPETER CREEK | Maryland | Fair | 1960 | 73.2 m | 10 |
| HUDSON BRANCH | Maryland | Good | 2003 | 10.4 m | 10 |
| BIG ELK CREEK | Maryland | Fair | 1860 | 20.7 m | 10 |
| RATTLE RUN | Maryland | Good | 1997 | 9.1 m | 10 |
| LITTLE CONOCOCHEAGUE CRE | Maryland | Good | 2002 | 9.4 m | 10 |
| UNNAMED CREEK | Maryland | Good | 2017 | 10.2 m | 6 |
| Duvall Mill Millrace | Maryland | Good | 2017 | 9.4 m | 5 |
| TRIBUTARY TO MINEBANK RU | Maryland | Good | 2014 | 7.1 m | 5 |
| ABANDONED RR | Maryland | Fair | 1920 | 9.8 m | 5 |
| TRIBUTARY OF LOST LAND R | Maryland | Poor | 1920 | 11.0 m | 5 |
| LAUREL RUN | Maryland | Good | 2001 | 16.2 m | 5 |
| PAINT BRANCH | Maryland | Good | 1969 | 18.9 m | 5 |
| SAVAGE RIVER | Maryland | Fair | 1840 | 7.6 m | 4 |
| IS 70 | Maryland | Fair | 1965 | 69.5 m | 3 |
| IS 97 | Maryland | Good | 1987 | 68.0 m | 2 |
| IS 270 (Wash. Natl Pike | Maryland | Good | 2020 | 185.2 m | - |
| UNNAMED TRIB TO SENECA C | Maryland | Good | 2019 | 86.0 m | - |
| TRIB. TO PATUXENT RIVER | Maryland | Good | 2008 | 7.0 m | - |
| STEMMERS RUN | Maryland | Poor | 1950 | 7.4 m | - |
| PINEY CREEK | Maryland | Fair | 1925 | 20.1 m | - |
| HUNTING CREEK | Maryland | Poor | 1941 | 40.8 m | - |
| LITTLE PATUXENT RIVER | Maryland | Good | 2015 | 15.9 m | - |
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.