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 |
|---|---|---|---|---|---|
| WILSON RUN | Maryland | Fair | 1925 | 9.1 m | 10,524 |
| CSXT RR & WMATA METRO | Maryland | Fair | 1981 | 37.5 m | 10,524 |
| GWYNNS FALLS | Maryland | Fair | 1975 | 55.5 m | 10,523 |
| WASH BLVD & GWYNNS FALLS | Maryland | Fair | 1977 | 293.8 m | 10,520 |
| KINGS CREEK | Maryland | Fair | 1962 | 13.7 m | 10,500 |
| MD 295 | Maryland | Fair | 2001 | 79.2 m | 10,499 |
| TRIB TO BALD HILL BRANCH | Maryland | Fair | 2000 | 6.1 m | 10,499 |
| PURNELL BRANCH | Maryland | Fair | 1975 | 22.3 m | 10,491 |
| NORTHEAST CREEK | Maryland | Good | 2001 | 26.8 m | 10,462 |
| CSX TRANSPORTATION RR | Maryland | Good | 1955 | 42.1 m | 10,461 |
| CSX TRANSPORTATION | Maryland | Fair | 1982 | 32.3 m | 10,440 |
| I-95/I-495 | Maryland | Fair | 1990 | 135.0 m | 10,413 |
| ROCK CREEK NORTH BRANCH | Maryland | Fair | 1959 | 12.8 m | 10,400 |
| Reddy Branch | Maryland | Good | 2022 | 38.2 m | 10,400 |
| Meadow Branch | Maryland | Good | 2021 | 47.4 m | 10,400 |
| I-83 JONES FALLS & MTA | Maryland | Poor | 1925 | 240.5 m | 10,400 |
| IS 495 & THOMAS BRANCH | Maryland | Fair | 1962 | 104.5 m | 10,370 |
| MD 290 | Maryland | Fair | 1967 | 42.7 m | 10,370 |
| RED LION BRANCH | Maryland | Fair | 1967 | 28.3 m | 10,370 |
| UNICORN BRANCH | Maryland | Fair | 1955 | 46.6 m | 10,370 |
| UNICORN BRANCH | Maryland | Fair | 1967 | 46.6 m | 10,370 |
| COLLEGE CREEK | Maryland | Good | 1987 | 146.9 m | 10,364 |
| WESTERN RUN | Maryland | Fair | 1922 | 28.0 m | 10,344 |
| GREAT SENECA CREEK | Maryland | Good | 1989 | 78.0 m | 10,344 |
| LONG DRAUGHT BRANCH | Maryland | Good | 1990 | 56.7 m | 10,344 |
| HAMMONDS FERRY RD | Maryland | Fair | 1957 | 43.5 m | 10,334 |
| CSX | Maryland | Fair | 1900 | 7.9 m | 10,312 |
| RED RUN | Maryland | Fair | 1997 | 19.2 m | 10,305 |
| MD 32 | Maryland | Good | 1991 | 77.1 m | 10,271 |
| SILVER RUN | Maryland | Fair | 1987 | 18.0 m | 10,250 |
| DEEP CREEK | Maryland | Good | 2008 | 29.7 m | 10,248 |
| CSX RAILROAD | Maryland | Poor | 1940 | 60.7 m | 10,242 |
| WOOTENAUX CREEK | Maryland | Fair | 1936 | 11.6 m | 10,230 |
| BEAVERDAM BRANCH | Maryland | Fair | 1944 | 19.5 m | 10,230 |
| IS 270 & C-D ROADS | Maryland | Fair | 1988 | 95.7 m | 10,211 |
| SOUTH RIVER | Maryland | Fair | 1959 | 480.4 m | 10,210 |
| IS 270 RAMP B | Maryland | Good | 1995 | 168.9 m | 10,196 |
| LITTLE GUNPOWDER FALLS | Maryland | Fair | 1928 | 17.1 m | 10,192 |
| IS 95 IS 595 RAMPS A&D | Maryland | Good | 1992 | 460.6 m | 10,183 |
| US 13 BU | Maryland | Good | 1972 | 80.3 m | 10,172 |
| I-83 AND JONES FALLS | Maryland | Poor | 1930 | 377.3 m | 10,157 |
| IS 695 | Maryland | Good | 2001 | 80.8 m | 10,140 |
| REDHOUSE CREEK | Maryland | Fair | 1952 | 8.7 m | 10,130 |
| CARROLL CREEK | Maryland | Fair | 1991 | 21.0 m | 10,130 |
| SEVERN RUN | Maryland | Good | 2001 | 19.2 m | 10,126 |
| IS 70 | Maryland | Fair | 1966 | 73.8 m | 10,111 |
| BLACK BRANCH | Maryland | Good | 2022 | 15.9 m | 10,100 |
| DULANEY VALLEY BRANCH | Maryland | Good | 2011 | 14.9 m | 10,100 |
| ISRAEL CREEK | Maryland | Good | 2000 | 62.8 m | 10,092 |
| LONG QUARTER BRANCH | Maryland | Fair | 1959 | 7.0 m | 10,087 |
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.