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 SENECA CREEK | Maryland | Fair | 1934 | 19.2 m | 2,361 |
| STONY RUN | Maryland | Fair | 1931 | 19.8 m | 2,360 |
| BR OF NORTHEAST CREEK | Maryland | Fair | 1900 | 6.9 m | 2,360 |
| BENS BRANCH | Maryland | Good | 1982 | 11.6 m | 2,353 |
| MARLEY CREEK | Maryland | Fair | 1978 | 7.8 m | 2,352 |
| BEAR CREEK | Maryland | Fair | 1921 | 18.9 m | 2,345 |
| CHARLES RUN | Maryland | Fair | 1976 | 16.5 m | 2,343 |
| BEAVER RUN | Maryland | Good | 2012 | 16.4 m | 2,328 |
| IS 70 | Maryland | Fair | 1968 | 62.5 m | 2,314 |
| BACK CREEK | Maryland | Good | 2003 | 13.1 m | 2,311 |
| LOTTSFORD BRANCH | Maryland | Fair | 1979 | 19.2 m | 2,309 |
| DAMES QUARTER CREEK | Maryland | Fair | 1976 | 19.2 m | 2,308 |
| NORTH BRANCH | Maryland | Good | 2016 | 29.9 m | 2,300 |
| WESTERN RUN | Maryland | Fair | 1988 | 16.1 m | 2,299 |
| RUSSELL BRANCH | Maryland | Fair | 1920 | 7.9 m | 2,298 |
| US29 Ramp NB&SE MD200 | Maryland | Good | 2011 | 123.2 m | 2,294 |
| JENNINGS RUN | Maryland | Good | 1995 | 18.3 m | 2,290 |
| JENNINGS RUN | Maryland | Fair | 1929 | 17.7 m | 2,290 |
| IS 70 | Maryland | Fair | 1965 | 83.2 m | 2,290 |
| SWEATHOUSE BRANCH | Maryland | Good | 2008 | 12.5 m | 2,290 |
| CANTON RAILROAD | Maryland | Fair | 1973 | 36.6 m | 2,287 |
| I-170 | Maryland | Fair | 1977 | 54.6 m | 2,279 |
| AMTRAK | Maryland | Fair | 1925 | 30.5 m | 2,270 |
| STADIUM LOT | Maryland | Good | 1980 | 77.3 m | 2,256 |
| US 1 | Maryland | Fair | 1963 | 67.4 m | 2,254 |
| S BRANCH OF ROCK CREEK | Maryland | Fair | 1977 | 22.9 m | 2,245 |
| E BRANCH OF ROCK CREEK | Maryland | Fair | 1976 | 19.8 m | 2,245 |
| CATTAIL BRANCH | Maryland | Fair | 1956 | 20.1 m | 2,241 |
| CABIN BRANCH | Maryland | Good | 2016 | 6.2 m | 2,221 |
| STONEY RUN | Maryland | Fair | 1930 | 9.1 m | 2,220 |
| STONEY RUN | Maryland | Fair | 1920 | 78.6 m | 2,220 |
| TRIBUTARY TO PEA HILL BR | Maryland | Fair | 1968 | 9.8 m | 2,214 |
| MA & PA RAILROAD (ABAND) | Maryland | Fair | 1930 | 23.5 m | 2,210 |
| TRIBUTARY TO INDIAN CREE | Maryland | Fair | 1985 | 6.7 m | 2,210 |
| GWYNNS FALLS | Maryland | Fair | 1972 | 12.8 m | 2,209 |
| MTA LIGHT RAIL | Maryland | Fair | 1967 | 153.6 m | 2,205 |
| LITTLE ELK CREEK | Maryland | Fair | 1967 | 27.1 m | 2,203 |
| KNAPPS NARROWS | Maryland | Good | 1998 | 37.6 m | 2,201 |
| PARKS RUN | Maryland | Fair | 1965 | 13.8 m | 2,200 |
| STONE RUN | Maryland | Fair | 1991 | 20.1 m | 2,197 |
| MOLL DYERS RUN | Maryland | Good | 1925 | 13.4 m | 2,190 |
| LITTLE GUNPOWDER FALLS | Maryland | Good | 1993 | 27.7 m | 2,189 |
| RED LION BRANCH | Maryland | Fair | 1900 | 12.2 m | 2,182 |
| COLLINGTON BRANCH | Maryland | Fair | 1929 | 11.3 m | 2,180 |
| SWANSON CREEK | Maryland | Good | 2007 | 9.8 m | 2,180 |
| CHURCH BRANCH | Maryland | Poor | 1965 | 11.6 m | 2,175 |
| ABANDON MILL RUN | Maryland | Fair | 1982 | 6.4 m | 2,172 |
| ISRAEL CREEK | Maryland | Good | 1966 | 20.1 m | 2,172 |
| FALLING BRANCH | Maryland | Poor | 1931 | 14.6 m | 2,161 |
| FORGE BRANCH | Maryland | Fair | 1989 | 14.1 m | 2,155 |
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.