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 |
|---|---|---|---|---|---|
| LONG GREEN CREEK | Maryland | Fair | 1988 | 18.6 m | 1,841 |
| BROAD RUN TRIBUTARY | Maryland | Good | 2014 | 7.3 m | 1,836 |
| NORTH MIDDLE RUN | Maryland | Good | 1974 | 9.5 m | 1,836 |
| FLAT RUN | Maryland | Fair | 1927 | 15.2 m | 1,820 |
| BRANCH OF FLAT RUN | Maryland | Fair | 1991 | 7.0 m | 1,817 |
| BIG ELK CREEK | Maryland | Fair | 1972 | 50.6 m | 1,817 |
| TRIB TO SUCKER BRANCH | Maryland | Fair | 2003 | 9.2 m | 1,814 |
| I-95 | Maryland | Fair | 1963 | 89.4 m | 1,810 |
| IS 595 RAMPS E-N & W-N | Maryland | Good | 1992 | 41.1 m | 1,806 |
| GWYNNS FALLS | Maryland | Fair | 1973 | 19.8 m | 1,800 |
| BR OF TUSCARORA CREEK | Maryland | Good | 2009 | 8.2 m | 1,797 |
| NELSONS RUN | Maryland | Fair | 1929 | 7.0 m | 1,791 |
| BURROUGHS RUN | Maryland | Fair | 1929 | 12.2 m | 1,791 |
| TRIBUTARY TO LONG BRANCH | Maryland | Fair | 2001 | 17.9 m | 1,790 |
| BIG SHADE RUN | Maryland | Fair | 1932 | 9.4 m | 1,783 |
| LITTLE TUSCARORA CREEK | Maryland | Fair | 1975 | 10.1 m | 1,783 |
| YOUGHIOGHENY RIVER | Maryland | Fair | 1960 | 31.2 m | 1,782 |
| SLIGO CREEK | Maryland | Fair | 1930 | 10.9 m | 1,774 |
| BENNETT CREEK | Maryland | Fair | 1990 | 9.8 m | 1,771 |
| WEST BRANCH and WINTERS | Maryland | Good | 1995 | 14.9 m | 1,770 |
| PINEY CREEK | Maryland | Good | 2015 | 7.5 m | 1,762 |
| CLARK RUN | Maryland | Good | 1998 | 14.6 m | 1,760 |
| POTTS MILL CREEK | Maryland | Fair | 1911 | 10.4 m | 1,759 |
| TRIB / BYNUM RUN | Maryland | Fair | 1990 | 6.4 m | 1,759 |
| ABANDONED RAILROAD | Maryland | Fair | 1981 | 27.7 m | 1,757 |
| COMPASS RUN | Maryland | Fair | 1920 | 7.1 m | 1,755 |
| MORGAN RUN | Maryland | Fair | 1988 | 19.3 m | 1,754 |
| MURPHY RUN | Maryland | Poor | 1960 | 7.5 m | 1,745 |
| TRIB OF CHOPTANK RIVER | Maryland | Fair | 1972 | 6.2 m | 1,745 |
| WILLETT BRANCH | Maryland | Good | 1999 | 7.3 m | 1,744 |
| TRIB TO INDIAN CREEK | Maryland | Fair | 1948 | 7.9 m | 1,743 |
| NO. 9 TROLLEY TRAIL | Maryland | Fair | 1900 | 31.1 m | 1,741 |
| BR OF LITTLE MONOCACY RI | Maryland | Good | 2003 | 8.2 m | 1,732 |
| CSXT RAILROAD | Maryland | Fair | 1925 | 15.6 m | 1,727 |
| PLUMTREE RUN | Maryland | Good | 1999 | 12.5 m | 1,723 |
| TRIBUTARY TO GUNPOWDER F | Maryland | Good | 1984 | 6.7 m | 1,713 |
| CRABTREE CREEK | Maryland | Fair | 1934 | 7.9 m | 1,711 |
| TRIBUTARY TO LITTLE PATU | Maryland | Fair | 1968 | 7.9 m | 1,705 |
| ROOP BRANCH | Maryland | Fair | 1948 | 6.2 m | 1,702 |
| MILL CREEK | Maryland | Good | 2006 | 19.8 m | 1,700 |
| PRINCIPIO CREEK | Maryland | Good | 1995 | 23.2 m | 1,700 |
| PRINCIPO CREEK | Maryland | Fair | 1995 | 9.4 m | 1,700 |
| STEMMERS RUN | Maryland | Fair | 1929 | 14.3 m | 1,700 |
| LITTLE FALLS | Maryland | Fair | 1986 | 19.8 m | 1,699 |
| ANTIETAM CREEK | Maryland | Good | 1840 | 36.6 m | 1,698 |
| ANTIETAM CREEK | Maryland | Good | 1839 | 40.2 m | 1,698 |
| ANTIETAM CREEK | Maryland | Good | 1841 | 6.1 m | 1,698 |
| WEST BRANCH PATAPSCO RIV | Maryland | Good | 1978 | 50.7 m | 1,697 |
| FALLSWAY | Maryland | Fair | 1900 | 15.2 m | 1,695 |
| TRIB / THOMAS RUN | Maryland | Fair | 1973 | 7.0 m | 1,690 |
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.