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 |
|---|---|---|---|---|---|
| MIDDLE CREEK | Maryland | Fair | 1936 | 37.1 m | 5,522 |
| LITTLE CATOCTIN CREEK | Maryland | Fair | 1936 | 11.6 m | 5,522 |
| TRIB TO HAWBOTTOM BRANCH | Maryland | Fair | 1936 | 10.7 m | 5,522 |
| TRIBUTARY TO ROLAND RUN | Maryland | Good | 1992 | 8.2 m | 5,516 |
| TRIB TO CROW BRANCH | Maryland | Fair | 1964 | 7.6 m | 5,510 |
| LITTLE SENECA CREEK | Maryland | Fair | 2006 | 14.0 m | 5,507 |
| MARBURY RUN | Maryland | Good | 1957 | 6.4 m | 5,502 |
| NORTH BRANCH | Maryland | Fair | 1900 | 10.1 m | 5,500 |
| MD 290 | Maryland | Good | 1955 | 42.9 m | 5,500 |
| RED LION BRANCH | Maryland | Fair | 1955 | 28.7 m | 5,500 |
| DYNARD RUN | Maryland | Good | 1960 | 21.3 m | 5,491 |
| TOMAKOKIN CREEK | Maryland | Fair | 1936 | 8.8 m | 5,491 |
| DOLLYHYDE CREEK | Maryland | Fair | 1932 | 6.4 m | 5,482 |
| LINGANORE CREEK | Maryland | Fair | 1950 | 20.1 m | 5,482 |
| COLLINGTON BRANCH | Maryland | Fair | 1985 | 20.1 m | 5,468 |
| TRIB TO BALD HILL BRANCH | Maryland | Fair | 1964 | 7.9 m | 5,463 |
| CATOCTIN CREEK | Maryland | Fair | 1934 | 44.5 m | 5,450 |
| CSX RAILROAD | Maryland | Good | 2011 | 47.1 m | 5,438 |
| CATOCTIN CREEK | Maryland | Fair | 1936 | 15.2 m | 5,432 |
| IS 97 SBR | Maryland | Good | 1994 | 68.9 m | 5,423 |
| DOG CREEK | Maryland | Fair | 1959 | 6.7 m | 5,422 |
| LITTLE ANTIETAM CREEK | Maryland | Fair | 1959 | 32.3 m | 5,422 |
| LITTLE NORTHEAST CREEK | Maryland | Good | 2016 | 25.6 m | 5,420 |
| US 15/US 340 | Maryland | Fair | 1968 | 65.2 m | 5,420 |
| BR OF DRY SENECA CREEK | Maryland | Fair | 1954 | 7.0 m | 5,420 |
| MILL CREEK | Maryland | Fair | 1968 | 16.0 m | 5,417 |
| LONG BRANCH | Maryland | Good | 1991 | 7.6 m | 5,407 |
| I-95 | Maryland | Good | 2023 | 107.1 m | 5,392 |
| BARNABY RUN | Maryland | Fair | 1961 | 6.7 m | 5,390 |
| BARNABY RUN | Maryland | Good | 1958 | 8.5 m | 5,389 |
| GUNNERS BR CSXT RR | Maryland | Good | 1987 | 101.2 m | 5,366 |
| NORTH BRANCH OF PATAPSCO | Maryland | Fair | 1976 | 57.3 m | 5,358 |
| NCR TRAIL | Maryland | Fair | 1930 | 25.3 m | 5,350 |
| LITTLE FALLS | Maryland | Fair | 1930 | 12.8 m | 5,350 |
| GUNPOWDER FALLS | Maryland | Fair | 1924 | 19.5 m | 5,350 |
| FOURTH MINE BRANCH | Maryland | Fair | 1930 | 10.1 m | 5,340 |
| PINEY CREEK | Maryland | Good | 1997 | 29.9 m | 5,340 |
| JONES FALLS | Maryland | Fair | 1961 | 19.1 m | 5,329 |
| IS 83 | Maryland | Fair | 1961 | 80.2 m | 5,329 |
| I-95 | Maryland | Fair | 1963 | 69.8 m | 5,326 |
| TURKEYFOOT RUN | Maryland | Fair | 1963 | 7.6 m | 5,321 |
| LRT AND CSXT RAILROAD | Maryland | Good | 2024 | 42.1 m | 5,320 |
| NORTHWEST BRANCH | Maryland | Fair | 1990 | 12.8 m | 5,308 |
| MUDDY BRANCH | Maryland | Poor | 1965 | 10.1 m | 5,297 |
| DEER CREEK | Maryland | Good | 1995 | 80.5 m | 5,291 |
| BLACKROCK CREEK | Maryland | Fair | 1968 | 15.2 m | 5,291 |
| VACANT LOT / WETLANDS | Maryland | Good | 1977 | 132.3 m | 5,273 |
| N FORK LINGANORE CREEK | Maryland | Fair | 1950 | 12.7 m | 5,272 |
| BRANCH OF LINGANORE CREE | Maryland | Fair | 1950 | 30.2 m | 5,272 |
| AMMENDALE BRANCH | Maryland | Good | 2013 | 9.9 m | 5,265 |
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.