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 |
|---|---|---|---|---|---|
| LITTLE PAINT BRANCH | Maryland | Poor | 1966 | 33.5 m | 22,938 |
| COLLINGTON BRANCH | Maryland | Good | 1958 | 46.9 m | 22,881 |
| BYNUM RUN | Maryland | Fair | 1950 | 14.1 m | 22,861 |
| TRIB TO THERESA CREEK | Maryland | Good | 1996 | 7.9 m | 22,859 |
| CSX TRANS. | Maryland | Fair | 1965 | 46.0 m | 22,822 |
| HERRING RUN | Maryland | Fair | 1925 | 15.9 m | 22,752 |
| Ramp NW | Maryland | Good | 2011 | 28.5 m | 22,682 |
| BRIEN RUN | Maryland | Fair | 1970 | 19.8 m | 22,664 |
| DEEP CREEK | Maryland | Fair | 1964 | 8.5 m | 22,650 |
| MUIRKIRK BR OF INDIAN CR | Maryland | Fair | 1969 | 8.2 m | 22,647 |
| US 1 & CSXT | Maryland | Fair | 1970 | 73.2 m | 22,647 |
| GWYNN FALLS | Maryland | Good | 1954 | 31.3 m | 22,643 |
| ST MARYS RIVER | Maryland | Fair | 1955 | 23.8 m | 22,642 |
| BEL PRE CREEK | Maryland | Fair | 1955 | 7.9 m | 22,635 |
| CSX TRANS. | Maryland | Fair | 1941 | 83.2 m | 22,632 |
| I-83 MTA AND AMTRAK | Maryland | Fair | 1959 | 157.9 m | 22,620 |
| CSX TRANSPORTATION | Maryland | Fair | 1963 | 43.6 m | 22,608 |
| PEARL STREET | Maryland | Fair | 1975 | 19.5 m | 22,594 |
| PULASKI HIGHWAY | Maryland | Fair | 1985 | 43.3 m | 22,560 |
| US 29 | Maryland | Fair | 1973 | 81.7 m | 22,557 |
| WESTERN BRANCH | Maryland | Fair | 1989 | 42.4 m | 22,524 |
| BR OF TERRAPIN BRANCH | Maryland | Fair | 1958 | 9.3 m | 22,492 |
| MD 5 | Maryland | Good | 2008 | 74.7 m | 22,464 |
| IS 95/ IS 495 & RAMP 5 | Maryland | Fair | 2008 | 96.3 m | 22,464 |
| AMTRAK TRIB TO SWAN CR | Maryland | Fair | 1968 | 35.7 m | 22,420 |
| RAMP TO I-270 | Maryland | Good | 1990 | 18.0 m | 22,375 |
| MANOKIN RIVER | Maryland | Fair | 1964 | 26.2 m | 22,370 |
| MANOKIN RIVER | Maryland | Fair | 1958 | 26.2 m | 22,370 |
| BEAR BRANCH | Maryland | Fair | 1967 | 10.4 m | 22,355 |
| BRANCH OF BACK CREEK | Maryland | Fair | 1973 | 9.1 m | 22,351 |
| I-695 I-95 INTERCHANGE | Maryland | Good | 2008 | 667.8 m | 22,320 |
| MILL CREEK | Maryland | Fair | 1941 | 8.2 m | 22,280 |
| ANACOSTIA RIVER | Maryland | Fair | 1955 | 83.8 m | 22,252 |
| CABIN JOHN CREEK TRIBUTA | Maryland | Fair | 1991 | 8.8 m | 22,236 |
| MCINTOSH RUN | Maryland | Fair | 1935 | 27.1 m | 22,220 |
| BRANCH OF MCINTOSH RUN | Maryland | Good | 2017 | 6.1 m | 22,220 |
| CSX RAILROAD | Maryland | Good | 1997 | 53.3 m | 22,202 |
| CABIN JOHN CREEK | Maryland | Fair | 1964 | 77.1 m | 22,160 |
| COBB ROAD | Maryland | Good | 1988 | 29.0 m | 22,154 |
| LITTLE GUNPOWDER FALLS | Maryland | Good | 2010 | 35.1 m | 22,152 |
| LITTLE FALLS | Maryland | Good | 1962 | 7.9 m | 22,152 |
| TRIB TO JAMES CREEK | Maryland | Good | 1994 | 10.4 m | 22,100 |
| IS 295 RAMP O | Maryland | Fair | 1990 | 35.1 m | 22,062 |
| IS 495 | Maryland | Fair | 1962 | 95.7 m | 22,022 |
| CABIN JOHN CREEK | Maryland | Fair | 1974 | 29.0 m | 22,022 |
| DORSEY RUN | Maryland | Fair | 1929 | 11.6 m | 21,992 |
| BRANCH OF DORSEY RUN | Maryland | Fair | 1929 | 6.4 m | 21,992 |
| CSX TRANS. | Maryland | Fair | 1969 | 42.4 m | 21,992 |
| NORFOLK SOUTHERN RAILROA | Maryland | Poor | 1967 | 38.1 m | 21,909 |
| TRIBUTARY TO SOUTHWEST | Maryland | Fair | 1980 | 7.0 m | 21,862 |
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.