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 |
|---|---|---|---|---|---|
| DEEP RUN | Maryland | Fair | 1945 | 8.5 m | 5,788 |
| LAKE LINGANORE | Maryland | Good | 2017 | 93.7 m | 5,776 |
| BROAD CREEK | Maryland | Fair | 1959 | 7.0 m | 5,772 |
| PATUXENT RIVER | Maryland | Poor | 1953 | 64.0 m | 5,772 |
| PAGES SWAMP | Maryland | Fair | 1900 | 6.4 m | 5,771 |
| TRIB TO PATUXENT RIVER | Maryland | Fair | 1962 | 11.0 m | 5,762 |
| HAYSTACK BRANCH | Maryland | Fair | 1915 | 9.8 m | 5,752 |
| LONG GREEN CREEK | Maryland | Fair | 1915 | 12.2 m | 5,752 |
| BR OF LONG GREEN CREEK | Maryland | Fair | 1916 | 8.2 m | 5,752 |
| AMTRAK RAILROAD | Maryland | Fair | 1980 | 55.2 m | 5,745 |
| MOORES RUN ROAD | Maryland | Good | 1975 | 50.6 m | 5,740 |
| BRANCH OF GEORGES CREEK | Maryland | Good | 1981 | 7.0 m | 5,740 |
| MOORES RUN | Maryland | Fair | 1981 | 11.3 m | 5,740 |
| GEORGES CREEK | Maryland | Good | 1981 | 50.6 m | 5,740 |
| BRANCH OF PINEY CREEK | Maryland | Good | 1974 | 7.0 m | 5,732 |
| BRANCH OF PINEY CREEK | Maryland | Good | 1974 | 7.6 m | 5,732 |
| MD 122 | Maryland | Fair | 1961 | 40.8 m | 5,718 |
| STEMMERS RUN | Maryland | Fair | 1988 | 77.4 m | 5,707 |
| MD 695 | Maryland | Fair | 1971 | 74.4 m | 5,699 |
| NORFOLK SOUTHERN RR | Maryland | Fair | 1971 | 62.5 m | 5,699 |
| LEEDS AVE & HERBERT RUN | Maryland | Good | 2004 | 80.2 m | 5,696 |
| I 83 JONES FALLS CSX | Maryland | Fair | 1938 | 233.5 m | 5,688 |
| CSX TRANSPORTATION | Maryland | Fair | 1994 | 23.5 m | 5,671 |
| BIG ANNEMESSEX RIVER | Maryland | Fair | 1949 | 18.6 m | 5,670 |
| BACHELORS BRANCH | Maryland | Fair | 1939 | 13.7 m | 5,662 |
| PILCHARD CREEK | Maryland | Fair | 1912 | 7.6 m | 5,662 |
| POND | Maryland | Fair | 1970 | 33.5 m | 5,660 |
| POND | Maryland | Fair | 1970 | 33.5 m | 5,660 |
| MONOCACY RIVER | Maryland | Good | 2013 | 52.4 m | 5,655 |
| MD 5 | Maryland | Good | 2016 | 31.8 m | 5,650 |
| HARFORD RUN | Maryland | Good | 1985 | 11.7 m | 5,650 |
| NORTH BRANCH PATAPSCO RI | Maryland | Fair | 1965 | 53.3 m | 5,640 |
| MARYLAND MIDLAND RR | Maryland | Fair | 1965 | 41.8 m | 5,640 |
| CHARLES BRANCH | Maryland | Fair | 1950 | 11.6 m | 5,634 |
| AMTRAK STONY RUN | Maryland | Good | 1990 | 152.7 m | 5,631 |
| ROLAND RUN | Maryland | Good | 1992 | 14.6 m | 5,625 |
| MILL SWAMP | Maryland | Fair | 1956 | 6.9 m | 5,611 |
| MILL SWAMP | Maryland | Fair | 1956 | 7.7 m | 5,611 |
| CSX RAILROAD | Maryland | Good | 1998 | 58.0 m | 5,607 |
| ST JAMES RUN | Maryland | Fair | 1966 | 61.3 m | 5,601 |
| HUNTERS MILL BRANCH | Maryland | Poor | 1977 | 14.3 m | 5,600 |
| AMTRAK STONY RUN | Maryland | Good | 1990 | 150.0 m | 5,591 |
| IS 83 | Maryland | Fair | 1973 | 82.9 m | 5,584 |
| LITTLE YOUGHIOGHENY RIVE | Maryland | Fair | 1921 | 15.5 m | 5,572 |
| BUCKLODGE BRANCH | Maryland | Fair | 1932 | 10.1 m | 5,572 |
| PATAPSCO RIVER | Maryland | Fair | 1982 | 208.5 m | 5,551 |
| BRICE RUN | Maryland | Fair | 1930 | 13.7 m | 5,551 |
| NORTHEAST CREEK | Maryland | Fair | 1931 | 23.2 m | 5,542 |
| IS 495 | Maryland | Fair | 1964 | 73.5 m | 5,541 |
| B&O RR COUNTY ROADS | Maryland | Fair | 1972 | 288.3 m | 5,530 |
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.