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 |
|---|---|---|---|---|---|
| DEER CREEK | Maryland | Fair | 1932 | 26.2 m | 6,101 |
| ANTIETAM CREEK | Maryland | Fair | 1823 | 39.9 m | 6,082 |
| LANDIS SPRING BRANCH | Maryland | Fair | 1900 | 7.3 m | 6,082 |
| BEAVER CREEK | Maryland | Fair | 1931 | 20.1 m | 6,082 |
| LITTLE BEAVER CREEK | Maryland | Fair | 1949 | 9.1 m | 6,082 |
| BYNUM RUN | Maryland | Good | 1996 | 17.4 m | 6,075 |
| CSX TRANS. POTOMAC MUN | Maryland | Fair | 1953 | 740.7 m | 6,073 |
| I-95 | Maryland | Good | 2014 | 146.2 m | 6,068 |
| TRIBUTARY TO PATAPSCO RI | Maryland | Fair | 1979 | 8.8 m | 6,048 |
| US 15 | Maryland | Good | 2014 | 88.0 m | 6,041 |
| SLIGO CREEK | Maryland | Fair | 1930 | 13.9 m | 6,024 |
| SWANSON CREEK | Maryland | Fair | 1933 | 13.7 m | 6,020 |
| CSX TRANSPORTATION | Maryland | Fair | 1962 | 46.3 m | 6,020 |
| B&O RR COUNTY ROADS | Maryland | Fair | 1972 | 275.8 m | 6,015 |
| JAMES CREEK TRIBUTARY | Maryland | Fair | 1990 | 7.3 m | 6,004 |
| PATUXENT RIVER | Maryland | Good | 1966 | 15.9 m | 6,004 |
| GILBERT SWAMP RUN | Maryland | Good | 2018 | 45.7 m | 6,000 |
| DEAD RUN | Maryland | Fair | 1956 | 10.1 m | 6,000 |
| TIBER BRANCH | Maryland | Fair | 1955 | 8.4 m | 6,000 |
| PIKE BRANCH | Maryland | Good | 1993 | 12.8 m | 5,986 |
| PIKE BRANCH | Maryland | Good | 1993 | 12.8 m | 5,986 |
| TERRAPIN BRANCH | Maryland | Fair | 1972 | 9.7 m | 5,972 |
| LITTLE BEAVER CREEK | Maryland | Fair | 1936 | 8.8 m | 5,972 |
| DAVIS BRANCH | Maryland | Fair | 1986 | 8.2 m | 5,971 |
| BALD HILL BRANCH | Maryland | Fair | 1967 | 11.3 m | 5,960 |
| Edmonston Creek | Maryland | Good | 2010 | 6.4 m | 5,950 |
| ROCK CREEK | Maryland | Fair | 1971 | 11.3 m | 5,943 |
| WINDMILL BRANCH | Maryland | Good | 2010 | 9.1 m | 5,911 |
| POWDER MILL BRANCH | Maryland | Fair | 1956 | 14.4 m | 5,903 |
| MD 200 (ICC) US29 Rp SE | Maryland | Good | 2011 | 409.0 m | 5,902 |
| UNNAMED STREAM | Maryland | Fair | 1995 | 17.8 m | 5,900 |
| POTOMAC RIV & C&O CANAL | Maryland | Fair | 2005 | 334.2 m | 5,900 |
| WATTS BRANCH TRIBUTARY | Maryland | Fair | 2003 | 7.3 m | 5,896 |
| TIBER HUDSON BRANCH | Maryland | Fair | 1997 | 15.5 m | 5,887 |
| SLIGO CREEK TRIBUTARY | Maryland | Fair | 1996 | 6.7 m | 5,886 |
| ROLAND RUN | Maryland | Fair | 1970 | 19.5 m | 5,886 |
| TRIB TO RED RUN | Maryland | Fair | 1958 | 6.4 m | 5,880 |
| LOCH RAVEN RESERVOIR | Maryland | Good | 1988 | 245.4 m | 5,878 |
| WILLIAMSBURG RUN | Maryland | Fair | 1972 | 8.1 m | 5,865 |
| POCOMOKE RIVER | Maryland | Fair | 1932 | 35.4 m | 5,865 |
| DRY SENECA CREEK | Maryland | Fair | 1992 | 11.8 m | 5,862 |
| CARROLL CREEK | Maryland | Fair | 1988 | 33.8 m | 5,850 |
| BRANCH OF ROCK CREEK | Maryland | Fair | 1980 | 6.1 m | 5,847 |
| DEEP RUN | Maryland | Good | 2013 | 18.1 m | 5,840 |
| WATTS BRANCH TRIBUTARY | Maryland | Poor | 1969 | 18.9 m | 5,815 |
| TRIBUTARY OF SEMPLE RUN | Maryland | Good | 1969 | 9.5 m | 5,806 |
| MUDDY BRANCH TRIBUTARY | Maryland | Fair | 2006 | 16.8 m | 5,804 |
| MD 100 EBR | Maryland | Fair | 1971 | 46.9 m | 5,802 |
| MD 100 WBR | Maryland | Fair | 1971 | 46.9 m | 5,802 |
| US 15 | Maryland | Good | 2018 | 67.7 m | 5,800 |
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.