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 |
|---|---|---|---|---|---|
| ROCK CREEK | Maryland | Fair | 1965 | 10.1 m | 6,446 |
| CANAL | Maryland | Fair | 1970 | 9.8 m | 6,440 |
| SANDY BRANCH | Maryland | Good | 2000 | 10.7 m | 6,433 |
| MIDDLE PATUXENT RIVER | Maryland | Fair | 1922 | 18.3 m | 6,403 |
| MONOCACY RIVER | Maryland | Fair | 1970 | 152.4 m | 6,393 |
| HENSON CREEK | Maryland | Fair | 1961 | 17.7 m | 6,380 |
| ROLAND RUN | Maryland | Fair | 1959 | 22.9 m | 6,375 |
| CSX TRANS. LITTLE YOUGH | Maryland | Fair | 1959 | 69.5 m | 6,372 |
| JAMES RUN | Maryland | Good | 2006 | 18.3 m | 6,361 |
| IS 70 | Maryland | Good | 1968 | 80.8 m | 6,355 |
| BALLENGER CREEK | Maryland | Good | 2007 | 86.0 m | 6,345 |
| STONY RUN | Maryland | Fair | 1908 | 26.5 m | 6,340 |
| LITTLE TUSCARORA CREEK | Maryland | Fair | 1930 | 7.3 m | 6,340 |
| MTA JONES FALLS & C. M | Maryland | Fair | 1960 | 69.5 m | 6,335 |
| MTA LIGHT RAIL MARC & | Maryland | Good | 1991 | 134.1 m | 6,332 |
| ROACHES RUN | Maryland | Fair | 1984 | 31.7 m | 6,330 |
| TRIB TO HERRING RUN | Maryland | Fair | 1963 | 10.6 m | 6,328 |
| BOHEMIA RIVER | Maryland | Fair | 1988 | 362.1 m | 6,317 |
| OPOSSUM BRANCH | Maryland | Fair | 1990 | 11.9 m | 6,312 |
| LITTLE SENECA CREEK | Maryland | Good | 2011 | 9.5 m | 6,303 |
| NORTHEAST CREEK | Maryland | Fair | 1945 | 39.0 m | 6,302 |
| PATAPSCO RIVER | Maryland | Poor | 1961 | 504.1 m | 6,300 |
| GUNPOWDER FALLS | Maryland | Poor | 1923 | 195.1 m | 6,296 |
| LOMBARD STREET | Maryland | Fair | 1957 | 42.1 m | 6,293 |
| CSX TRANS | Maryland | Fair | 1967 | 46.3 m | 6,290 |
| I-83 SB | Maryland | Fair | 1959 | 54.6 m | 6,289 |
| AMTRAK | Maryland | Fair | 1987 | 84.1 m | 6,284 |
| DORSEY RUN | Maryland | Good | 1991 | 15.2 m | 6,274 |
| ARUNDEL BRANCH | Maryland | Good | 1990 | 16.5 m | 6,273 |
| BR OF POTOMAC RIVER | Maryland | Fair | 1937 | 6.4 m | 6,272 |
| WASHINGTON RUN | Maryland | Fair | 2008 | 12.8 m | 6,272 |
| MD-295 B/W PARKWAY RAMP | Maryland | Poor | 1950 | 22.9 m | 6,246 |
| CABIN BRANCH | Maryland | Good | 2020 | 20.3 m | 6,239 |
| MORGAN CREEK | Maryland | Fair | 1933 | 60.4 m | 6,235 |
| BUDDS CREEK | Maryland | Good | 1960 | 15.2 m | 6,221 |
| IS 97 | Maryland | Fair | 1991 | 99.4 m | 6,220 |
| SAWMILL CREEK | Maryland | Fair | 1990 | 9.0 m | 6,220 |
| HERRING RUN | Maryland | Poor | 1974 | 28.7 m | 6,214 |
| WATTS BRANCH | Maryland | Fair | 1990 | 8.5 m | 6,213 |
| MD 100 | Maryland | Good | 1995 | 65.5 m | 6,211 |
| HERRING RUN | Maryland | Fair | 1958 | 117.3 m | 6,200 |
| CSX | Maryland | Fair | 1914 | 8.2 m | 6,197 |
| SLAUGHTERHOUSE BRANCH | Maryland | Good | 1990 | 6.5 m | 6,191 |
| OREGON BRANCH | Maryland | Fair | 1952 | 15.5 m | 6,171 |
| GWYNNS FALLS | Maryland | Fair | 1982 | 143.9 m | 6,160 |
| WILLS CREEK / WMSRR | Maryland | Fair | 1955 | 68.0 m | 6,149 |
| AMTRAK | Maryland | Fair | 1980 | 67.4 m | 6,148 |
| CABIN BRANCH | Maryland | Fair | 1958 | 14.6 m | 6,136 |
| GREAT SENECA CREEK | Maryland | Fair | 1931 | 27.4 m | 6,121 |
| SINEPUXENT BAY | Maryland | Fair | 1964 | 500.5 m | 6,115 |
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.