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 |
|---|---|---|---|---|---|
| TONYTANK POND | Maryland | Fair | 1954 | 74.1 m | 11,029 |
| RED RUN | Maryland | Good | 2010 | 129.5 m | 11,000 |
| VETERANS HIGHWAY | Maryland | Fair | 1989 | 128.9 m | 10,999 |
| ROCK CREEK | Maryland | Fair | 1932 | 15.9 m | 10,982 |
| BR OF SOUTHWEST BR | Maryland | Fair | 1964 | 10.1 m | 10,979 |
| LITTLE YOUGHIOGHENY RIVE | Maryland | Fair | 1959 | 32.0 m | 10,972 |
| SLIGO CREEK | Maryland | Fair | 1999 | 22.1 m | 10,971 |
| PEA HILL BRANCH | Maryland | Good | 2021 | 9.1 m | 10,964 |
| UNNAMED STREAM | Maryland | Poor | 1970 | 16.4 m | 10,941 |
| LITTLE PATUXENT RIVER | Maryland | Fair | 1930 | 8.0 m | 10,927 |
| PLUMTREE BRANCH | Maryland | Fair | 1981 | 8.1 m | 10,927 |
| MD 144/WEST MAIN STREET | Maryland | Fair | 1937 | 178.6 m | 10,911 |
| JONES FALLS | Maryland | Fair | 1932 | 16.2 m | 10,911 |
| JONES FALLS | Maryland | Fair | 1930 | 19.8 m | 10,911 |
| WESTERN RUN | Maryland | Fair | 1983 | 11.3 m | 10,900 |
| GWYNNS FALLS & FRANKLIN | Maryland | Fair | 1938 | 136.9 m | 10,900 |
| MD 295 NBR | Maryland | Good | 1990 | 45.4 m | 10,897 |
| MD 10 | Maryland | Fair | 1976 | 100.0 m | 10,890 |
| CSX RAILROAD | Maryland | Fair | 1990 | 60.4 m | 10,861 |
| CSX RAILROAD | Maryland | Fair | 1979 | 60.4 m | 10,860 |
| AMTRAK PROPERTY | Maryland | Good | 2003 | 56.1 m | 10,850 |
| CSX TRANS. | Maryland | Good | 2006 | 31.7 m | 10,841 |
| TRIB TO LITTLE PATUXENT | Maryland | Poor | 1972 | 14.9 m | 10,830 |
| BULLS RUN | Maryland | Poor | 1949 | 7.6 m | 10,816 |
| BENS BRANCH | Maryland | Fair | 1964 | 10.2 m | 10,783 |
| NORWICH CREEK | Maryland | Good | 2017 | 37.2 m | 10,780 |
| HONEY BRANCH | Maryland | Fair | 1947 | 15.2 m | 10,771 |
| GREAT SENECA CREEK | Maryland | Good | 1989 | 78.0 m | 10,766 |
| LONG DRAUGHT BRANCH | Maryland | Fair | 1990 | 55.5 m | 10,766 |
| BEAVER CREEK | Maryland | Fair | 1936 | 28.0 m | 10,742 |
| LANDIS SPRING BRANCH | Maryland | Fair | 1936 | 11.3 m | 10,742 |
| HAWLINGS RIVER | Maryland | Fair | 1930 | 10.1 m | 10,740 |
| REDDY BRANCH | Maryland | Fair | 1927 | 8.2 m | 10,740 |
| MOORES RUN | Maryland | Poor | 1930 | 11.0 m | 10,737 |
| BRADDOCK RUN | Maryland | Fair | 1957 | 18.6 m | 10,713 |
| CSX RAILROAD | Maryland | Poor | 1914 | 8.2 m | 10,713 |
| CSX RAILROAD | Maryland | Poor | 1900 | 7.9 m | 10,713 |
| MARYLAND MIDLAND RR | Maryland | Fair | 1991 | 36.0 m | 10,690 |
| LITTLE PIPE CREEK | Maryland | Fair | 1991 | 6.2 m | 10,690 |
| PENINSULA EXPRESSWAY | Maryland | Good | 1998 | 35.1 m | 10,682 |
| I95/I695 (INTERCHANGE) | Maryland | Good | 2008 | 612.0 m | 10,671 |
| HAMMONDS FERRY RD | Maryland | Fair | 1957 | 45.4 m | 10,671 |
| MIDDLE RUN | Maryland | Fair | 1964 | 7.6 m | 10,670 |
| MARLEY CREEK | Maryland | Fair | 1980 | 17.4 m | 10,598 |
| US 29 | Maryland | Good | 1991 | 73.5 m | 10,581 |
| TWO MILE RUN | Maryland | Fair | 1981 | 6.4 m | 10,567 |
| STONEY RUN | Maryland | Good | 1982 | 77.7 m | 10,559 |
| POTOMAC RIV CSX TRANS. | Maryland | Poor | 1937 | 785.5 m | 10,550 |
| NORTHEAST BRANCH | Maryland | Good | 1991 | 139.3 m | 10,548 |
| DEAD RUN | Maryland | Fair | 1948 | 13.4 m | 10,532 |
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.