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 |
|---|---|---|---|---|---|
| MOORES RUN | Maryland | Fair | 1964 | 250.9 m | 4,563 |
| NASSAWANGO CREEK | Maryland | Fair | 1927 | 14.6 m | 4,540 |
| TRIBUTARY TO SLIGO CREEK | Maryland | Fair | 1961 | 7.3 m | 4,540 |
| CATTAIL BRANCH | Maryland | Fair | 1968 | 13.1 m | 4,536 |
| CONOCOCHEAGUE CREEK | Maryland | Fair | 1829 | 50.9 m | 4,532 |
| EDISON BRANCH | Maryland | Fair | 1989 | 6.1 m | 4,532 |
| SAND SPRING RUN | Maryland | Good | 1975 | 9.8 m | 4,531 |
| MOUNTAIN BRANCH | Maryland | Good | 2003 | 17.1 m | 4,530 |
| GRAVEL RUN | Maryland | Fair | 1958 | 6.3 m | 4,530 |
| N BRANCH POTOMAC RIVER | Maryland | Fair | 1985 | 74.8 m | 4,527 |
| US 301 | Maryland | Good | 2017 | 83.2 m | 4,525 |
| MATTAWOMAN CREEK | Maryland | Fair | 1978 | 41.5 m | 4,509 |
| BALD HILL BRANCH | Maryland | Fair | 2000 | 10.4 m | 4,503 |
| IS 81 | Maryland | Fair | 1963 | 82.6 m | 4,502 |
| MATAPONI CREEK | Maryland | Fair | 1930 | 13.7 m | 4,500 |
| ROCK BRANCH | Maryland | Good | 1999 | 17.7 m | 4,500 |
| FULL MILL BRANCH | Maryland | Good | 1999 | 7.0 m | 4,500 |
| MIDDLE CREEK | Maryland | Fair | 1932 | 23.2 m | 4,480 |
| MONOCACY RIVER | Maryland | Fair | 1973 | 152.4 m | 4,472 |
| US 340 | Maryland | Fair | 1964 | 89.0 m | 4,460 |
| IS 95 | Maryland | Fair | 1971 | 191.7 m | 4,443 |
| MATTAWOMAN CREEK | Maryland | Good | 2017 | 16.6 m | 4,441 |
| TRIBUTARY TO GWYNNS FALL | Maryland | Fair | 1955 | 12.6 m | 4,436 |
| TRIBUTARY 89 | Maryland | Good | 2019 | 23.8 m | 4,430 |
| LITTLE PIPE CREEK | Maryland | Good | 1953 | 41.5 m | 4,425 |
| TRIBUTARY TO PARKS RUN | Maryland | Good | 1966 | 8.4 m | 4,425 |
| IS 270 | Maryland | Fair | 1958 | 83.8 m | 4,422 |
| TRIBUTARY TO MIDDLE PATU | Maryland | Fair | 1970 | 6.6 m | 4,417 |
| BEAR CR/FISH HATCHERY RD | Maryland | Fair | 2000 | 87.8 m | 4,402 |
| IS 68 | Maryland | Fair | 1975 | 103.6 m | 4,402 |
| DORSEY CREEK | Maryland | Fair | 1983 | 152.2 m | 4,400 |
| DORSEY CREEK | Maryland | Good | 2011 | 71.5 m | 4,400 |
| GEORGES RUN | Maryland | Good | 2015 | 18.0 m | 4,400 |
| LITTLE CATOCTIN CREEK | Maryland | Good | 2020 | 32.8 m | 4,400 |
| CHURCH CREEK | Maryland | Fair | 1936 | 7.0 m | 4,400 |
| TRIBUTARY TO WHITE MARSH | Maryland | Good | 2015 | 66.4 m | 4,393 |
| IS 70 | Maryland | Fair | 1966 | 69.8 m | 4,382 |
| AMTRAK RAILROAD | Maryland | Good | 2000 | 62.5 m | 4,370 |
| IS 95 | Maryland | Fair | 1971 | 119.8 m | 4,360 |
| WEST BRANCH HERBERT RUN | Maryland | Fair | 1959 | 13.3 m | 4,355 |
| HUNTING CREEK | Maryland | Fair | 1970 | 21.6 m | 4,351 |
| SEVERN RUN | Maryland | Fair | 1974 | 14.0 m | 4,339 |
| SOUTH BR GUNPOWDER FALLS | Maryland | Good | 2020 | 34.7 m | 4,337 |
| BR OF BIG ELK CREEK | Maryland | Fair | 1931 | 8.5 m | 4,331 |
| BR OF BIG ELK CREEK | Maryland | Fair | 1931 | 8.5 m | 4,331 |
| BYNUM RUN | Maryland | Fair | 1976 | 13.4 m | 4,310 |
| PARKER BRANCH | Maryland | Fair | 1985 | 8.7 m | 4,309 |
| HILTON PARKWAY | Maryland | Fair | 1952 | 20.4 m | 4,309 |
| EAST BRANCH /WINTERS RUN | Maryland | Poor | 1950 | 8.5 m | 4,308 |
| LITTLE SENECA CREEK TRIB | Maryland | Good | 2011 | 7.7 m | 4,305 |
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.