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 |
|---|---|---|---|---|---|
| TOWSON RUN | Maryland | Fair | 1879 | 10.4 m | 896 |
| TALBOT BRANCH | Maryland | Fair | 1961 | 11.6 m | 890 |
| PEDDLER RUN | Maryland | Good | 1930 | 11.0 m | 890 |
| SOUTH FORK LINGANORE CRK | Maryland | Good | 1983 | 17.1 m | 884 |
| ST. CLEMENTS CREEK | Maryland | Good | 1975 | 12.5 m | 880 |
| CONOWINGO CREEK | Maryland | Fair | 1972 | 15.2 m | 878 |
| TRIB TO S BR PATAPSCO R | Maryland | Good | 2024 | 16.1 m | 876 |
| INDIAN CREEK | Maryland | Fair | 1984 | 7.9 m | 875 |
| MINOR TRIB OF MILL CREEK | Maryland | Good | 2016 | 9.8 m | 874 |
| DOG CREEK | Maryland | Fair | 1900 | 8.8 m | 874 |
| ROLAND RUN | Maryland | Good | 1942 | 9.6 m | 873 |
| WALLACE CREEK | Maryland | Good | 2008 | 11.6 m | 871 |
| GREAT MARSH CREEK | Maryland | Fair | 1991 | 61.0 m | 871 |
| FISHING CREEK | Maryland | Fair | 1992 | 258.2 m | 871 |
| DEEP RUN | Maryland | Good | 1990 | 22.9 m | 870 |
| TRIB TO SEVERN RIVER | Maryland | Good | 2000 | 7.7 m | 869 |
| LITTLE GUNPOWDER FALLS | Maryland | Good | 1989 | 15.5 m | 869 |
| BEAR CABIN BRANCH | Maryland | Fair | 1970 | 10.2 m | 869 |
| LITTLE CONOCOCHEAGUE CRK | Maryland | Fair | 1972 | 6.5 m | 868 |
| LITTLE MORGAN RUN | Maryland | Fair | 1980 | 14.0 m | 867 |
| BURNT MILL BRANCH | Maryland | Fair | 1967 | 18.9 m | 867 |
| BLOCKSTON BRANCH | Maryland | Good | 2002 | 17.7 m | 862 |
| TRIBUTARY TO WHITE MARSH | Maryland | Fair | 1986 | 11.1 m | 861 |
| BRANCH OF WYE RIVER | Maryland | Fair | 1914 | 11.3 m | 860 |
| CSX RAILROAD | Maryland | Fair | 1940 | 39.2 m | 857 |
| CATTAIL BRANCH | Maryland | Fair | 1969 | 14.6 m | 857 |
| LITTLE FALLS | Maryland | Fair | 1995 | 25.0 m | 854 |
| BEAVERDAM CREEK | Maryland | Fair | 1979 | 45.5 m | 853 |
| BEAVERDAM CREEK | Maryland | Fair | 1979 | 45.5 m | 853 |
| CATOCTIN CREEK | Maryland | Poor | 1986 | 18.6 m | 851 |
| BRANCHVILLE ROAD | Maryland | Good | 2008 | 21.6 m | 850 |
| TRIB TO HAMMOND BR | Maryland | Fair | 1996 | 16.6 m | 847 |
| TRIBUTARY OF LITTLE ANTI | Maryland | Fair | 1992 | 6.7 m | 844 |
| OWENS CREEK | Maryland | Fair | 1869 | 25.8 m | 843 |
| HUNTING CREEK | Maryland | Fair | 1965 | 20.7 m | 842 |
| BIG PIPE CREEK | Maryland | Fair | 1977 | 60.4 m | 841 |
| DOUBLE PIPE CREEK | Maryland | Good | 1989 | 65.5 m | 841 |
| WILLS BRANCH | Maryland | Fair | 1997 | 7.9 m | 838 |
| SLIGO CREEK TRIBUTARY | Maryland | Fair | 1965 | 7.3 m | 836 |
| BALD HILL BRANCH | Maryland | Poor | 1967 | 20.1 m | 836 |
| PRINCIPIO CREEK | Maryland | Fair | 1980 | 15.9 m | 834 |
| SLAUGHTER CREEK | Maryland | Fair | 1998 | 366.7 m | 829 |
| I-95 | Maryland | Fair | 1963 | 72.8 m | 829 |
| GILLIS FALLS | Maryland | Good | 1975 | 18.6 m | 828 |
| TONOLOWAY CREEK | Maryland | Good | 1916 | 17.8 m | 828 |
| BYNUM RUN | Maryland | Fair | 1975 | 11.0 m | 827 |
| POTTS MILL CREEK | Maryland | Fair | 1991 | 11.9 m | 827 |
| BEAVER RUN | Maryland | Good | 1998 | 21.3 m | 825 |
| NORTH BRANCH OF PATAPSCO | Maryland | Fair | 1975 | 46.1 m | 824 |
| SENECA CREEK TRIBUTARY | Maryland | Fair | 1930 | 10.1 m | 821 |
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.