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 |
|---|---|---|---|---|---|
| TRIBUTARY TO PISCATAWAY | Maryland | Fair | 1993 | 9.8 m | 1,571 |
| LITTLE ANTIETAM CREEK | Maryland | Fair | 1850 | 19.9 m | 1,560 |
| TRIBUTARY TO WHITE MARSH | Maryland | Fair | 1975 | 16.1 m | 1,559 |
| TUCKAHOE CREEK | Maryland | Fair | 1915 | 29.6 m | 1,551 |
| US 40 ALT | Maryland | Fair | 1973 | 65.8 m | 1,551 |
| MARSHYHOPE CREEK | Maryland | Fair | 1931 | 143.3 m | 1,550 |
| CATOCTIN CREEK | Maryland | Fair | 1953 | 62.8 m | 1,550 |
| WEST BRANCH/WINTERS RUN | Maryland | Good | 1996 | 13.7 m | 1,550 |
| CSX TRANS & N BR POT RIV | Maryland | Fair | 1985 | 103.1 m | 1,546 |
| TOBACCO RUN | Maryland | Fair | 1981 | 11.9 m | 1,545 |
| CONOCOCHEAGUE CREEK | Maryland | Fair | 1932 | 82.9 m | 1,539 |
| TUCKERS BRANCH | Maryland | Fair | 1969 | 9.8 m | 1,535 |
| BEAVERDAM DITCH | Maryland | Good | 2006 | 11.9 m | 1,532 |
| DAVIS BRANCH | Maryland | Fair | 1932 | 9.1 m | 1,532 |
| TRIBUTARY TO PINEY RUN | Maryland | Good | 2007 | 14.3 m | 1,531 |
| ST GEORGES CREEK | Maryland | Fair | 1957 | 122.5 m | 1,530 |
| BREAD AND CHEESE BRANCH | Maryland | Good | 2008 | 17.4 m | 1,530 |
| LITTLE CATTAIL CREEK | Maryland | Poor | 1935 | 9.7 m | 1,525 |
| CAREY BRANCH | Maryland | Fair | 1948 | 8.2 m | 1,518 |
| TOMS CREEK | Maryland | Fair | 1980 | 36.0 m | 1,505 |
| POTOMAC RIVER | Maryland | Fair | 1987 | 138.7 m | 1,502 |
| PEDDLER RUN | Maryland | Good | 1987 | 7.5 m | 1,501 |
| BEAVER CREEK | Maryland | Fair | 1915 | 8.5 m | 1,500 |
| QUARRY BRANCH | Maryland | Fair | 2004 | 7.0 m | 1,500 |
| DORSEY BRANCH | Maryland | Good | 2011 | 25.0 m | 1,500 |
| MILL DAM RUN | Maryland | Poor | 1933 | 11.0 m | 1,497 |
| BRANCH OF HERRING BAY | Maryland | Fair | 1989 | 14.0 m | 1,492 |
| PATAPSCO RIVER | Maryland | Fair | 1957 | 110.9 m | 1,491 |
| TRIB TO PATAPSCO RIVER | Maryland | Good | 1975 | 10.6 m | 1,487 |
| CARROLL CREEK | Maryland | Fair | 1925 | 20.3 m | 1,481 |
| CORSICA CREEK | Maryland | Fair | 1985 | 28.7 m | 1,475 |
| BRANCH OF FRIENDS CREEK | Maryland | Good | 2004 | 14.9 m | 1,471 |
| WEST BRANCH | Maryland | Fair | 1992 | 9.8 m | 1,470 |
| ANTIETAM CREEK | Maryland | Good | 1839 | 17.1 m | 1,470 |
| LITTLE ANTIETAM CREEK | Maryland | Fair | 1965 | 17.1 m | 1,467 |
| TRIBUTARY TO PATAPSCO RI | Maryland | Fair | 1920 | 13.9 m | 1,466 |
| SCOTCHMAN CREEK | Maryland | Fair | 1985 | 118.8 m | 1,465 |
| GRAVELLY BRANCH | Maryland | Good | 2003 | 23.8 m | 1,465 |
| EVITTS CREEK | Maryland | Good | 1975 | 44.8 m | 1,464 |
| BEAVERDAM DITCH | Maryland | Fair | 1950 | 6.4 m | 1,461 |
| UNNAMED STREAM | Maryland | Good | 2019 | 6.2 m | 1,457 |
| GREAT BOHEMIA CREEK | Maryland | Fair | 2002 | 9.4 m | 1,456 |
| MIDDLE CREEK | Maryland | Fair | 1977 | 17.1 m | 1,456 |
| LICKING CREEK | Maryland | Fair | 1938 | 93.3 m | 1,455 |
| MIDDLE PATUXENT RIVER | Maryland | Poor | 1935 | 11.0 m | 1,454 |
| TOMAKOKIN CREEK | Maryland | Good | 1997 | 9.1 m | 1,453 |
| MUDDY BRANCH | Maryland | Fair | 1968 | 12.5 m | 1,453 |
| GREEN HILL CREEK | Maryland | Fair | 1931 | 12.8 m | 1,452 |
| GARLAND LAKE | Maryland | Good | 2017 | 17.6 m | 1,452 |
| TRIBUTARY TO GWYNNS FALL | Maryland | Fair | 1996 | 21.3 m | 1,442 |
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.