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 |
|---|---|---|---|---|---|
| BR OF POTOMAC RIVER | Maryland | Good | 2019 | 10.5 m | 325 |
| TRIBUTARY TO FIRST MINE | Maryland | Fair | 1988 | 7.7 m | 325 |
| TRIBUTARY TO SLADE RUN | Maryland | Fair | 1920 | 7.0 m | 325 |
| TRIB TO LITTLE PATUXENT | Maryland | Poor | 1972 | 10.7 m | 325 |
| ISRAEL CREEK | Maryland | Fair | 1904 | 12.0 m | 325 |
| MONOCACY RIVER | Maryland | Fair | 1908 | 55.8 m | 324 |
| YOUGHIOGHENY RIVER | Maryland | Fair | 1984 | 17.3 m | 324 |
| IS 97 | Maryland | Good | 1987 | 71.6 m | 322 |
| SAMS CREEK | Maryland | Fair | 1998 | 8.8 m | 322 |
| TOWN CREEK | Maryland | Fair | 1964 | 55.8 m | 320 |
| BRICE RUN | Maryland | Good | 1986 | 23.5 m | 320 |
| LITTLE PIPE CREEK | Maryland | Fair | 1900 | 11.1 m | 320 |
| UNNAMED STREAM | Maryland | Good | 2008 | 15.5 m | 320 |
| FOWLING CREEK | Maryland | Fair | 2000 | 11.8 m | 320 |
| PAINT BRANCH | Maryland | Fair | 1967 | 61.3 m | 319 |
| GALLOWAY CREEK | Maryland | Good | 1999 | 9.8 m | 319 |
| PINEY CREEK | Maryland | Fair | 1912 | 19.5 m | 317 |
| ISLAND CREEK | Maryland | Fair | 1989 | 15.9 m | 316 |
| GRANNY FINLEY BRANCH | Maryland | Fair | 1983 | 9.8 m | 316 |
| SLADE RUN | Maryland | Fair | 1920 | 8.2 m | 315 |
| TRIBUTARY OF JAMES RUN | Maryland | Fair | 1920 | 8.2 m | 315 |
| BEL PRE CREEK | Maryland | Fair | 1983 | 19.1 m | 315 |
| LITTLE ANTIETAM CREEK | Maryland | Fair | 1910 | 7.3 m | 315 |
| TRAPPE CREEK | Maryland | Fair | 2005 | 9.8 m | 313 |
| BEAR BRANCH | Maryland | Good | 1991 | 8.9 m | 312 |
| BROAD RUN | Maryland | Fair | 1982 | 7.0 m | 312 |
| PRETTYBOY RESERVOIR | Maryland | Poor | 1931 | 114.6 m | 311 |
| TOWN BRANCH | Maryland | Good | 1982 | 9.4 m | 311 |
| GRINDSTONE RUN | Maryland | Good | 1977 | 10.1 m | 311 |
| GRINDSTONE RUN | Maryland | Fair | 1977 | 10.7 m | 311 |
| NORWICH CREEK | Maryland | Fair | 1900 | 9.8 m | 310 |
| FLINTSTONE CREEK | Maryland | Fair | 1992 | 16.2 m | 310 |
| BEL PRE CREEK | Maryland | Good | 2017 | 19.8 m | 310 |
| SHARMANS BRANCH | Maryland | Fair | 1978 | 7.7 m | 310 |
| MINEBANK RUN | Maryland | Fair | 1900 | 10.1 m | 309 |
| WEST BRANCH | Maryland | Poor | 1966 | 10.4 m | 309 |
| ROCK RUN CREEK | Maryland | Poor | 1930 | 9.8 m | 309 |
| Ramp NB to Briggs Chaney | Maryland | Good | 2011 | 67.4 m | 309 |
| MD 200 Ramp NW | Maryland | Good | 2011 | 31.0 m | 309 |
| JENKINS CREEK | Maryland | Good | 2008 | 21.6 m | 307 |
| DUTCH HOLLOW RUN | Maryland | Good | 1954 | 6.1 m | 306 |
| LONG GREEN CREEK | Maryland | Fair | 1975 | 17.1 m | 306 |
| BROAD RUN | Maryland | Good | 2012 | 11.0 m | 306 |
| SPICER CREEK | Maryland | Fair | 1987 | 11.6 m | 304 |
| GRINDSTONE RUN | Maryland | Good | 1982 | 9.1 m | 304 |
| CHICONE CREEK | Maryland | Fair | 1993 | 17.0 m | 303 |
| JANE CARRS RUN | Maryland | Good | 1996 | 11.6 m | 303 |
| JAMES CREEK | Maryland | Fair | 1972 | 11.6 m | 302 |
| TRIBUTARY TO NORTHWEST B | Maryland | Fair | 1950 | 18.9 m | 302 |
| MURLEY BRANCH | Maryland | Good | 2020 | 7.0 m | 301 |
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.