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 |
|---|---|---|---|---|---|
| LITTLE ANTIETAM CREEK | Maryland | Fair | 1958 | 40.5 m | 4,951 |
| RED HILL BRANCH | Maryland | Fair | 1986 | 24.2 m | 4,946 |
| ROCK RUN | Maryland | Fair | 1989 | 14.6 m | 4,934 |
| LITTLE PATUXENT RIVER | Maryland | Fair | 1940 | 18.8 m | 4,932 |
| MD 290 | Maryland | Good | 1955 | 50.6 m | 4,925 |
| PINEY CREEK | Maryland | Fair | 1953 | 13.3 m | 4,918 |
| TRIBUTARY OF TUSCARORA C | Maryland | Good | 2004 | 24.5 m | 4,896 |
| BRANCH JARBOESVILLE RUN | Maryland | Fair | 1995 | 34.4 m | 4,891 |
| JONES FALLS | Maryland | Fair | 1960 | 45.1 m | 4,884 |
| MIDDLE PATUXENT RIVER | Maryland | Fair | 1920 | 13.7 m | 4,880 |
| DICKERSON RUN | Maryland | Fair | 1924 | 9.8 m | 4,861 |
| AMTRAK | Maryland | Good | 1991 | 107.6 m | 4,860 |
| MILL CREEK | Maryland | Fair | 1987 | 9.8 m | 4,860 |
| TRIB TO FEDERAL SPRG BR | Maryland | Good | 1993 | 7.0 m | 4,850 |
| MD 30 | Maryland | Good | 2007 | 35.4 m | 4,844 |
| MARLEY CREEK | Maryland | Fair | 1985 | 13.7 m | 4,813 |
| HERBERT RUN | Maryland | Fair | 1957 | 6.2 m | 4,779 |
| TRIBUTARY TO HERRING RUN | Maryland | Fair | 1968 | 8.7 m | 4,763 |
| LINGANORE CREEK | Maryland | Fair | 1968 | 37.8 m | 4,752 |
| SCOTTS LEVEL BRANCH | Maryland | Fair | 1993 | 31.4 m | 4,750 |
| TINKERS CREEK | Maryland | Fair | 1989 | 46.9 m | 4,747 |
| CSX RAILROAD | Maryland | Good | 2002 | 13.4 m | 4,741 |
| CSX RAILROAD | Maryland | Poor | 1975 | 43.3 m | 4,734 |
| BIRCH BRANCH | Maryland | Fair | 1967 | 7.3 m | 4,731 |
| ON-RAMP TO NB I-83 FROM | Maryland | Fair | 1959 | 20.1 m | 4,726 |
| LITTLE ELK CREEK | Maryland | Good | 2011 | 29.9 m | 4,721 |
| N BRANCH POTOMAC RIVER | Maryland | Good | 1994 | 79.6 m | 4,720 |
| GEORGES CREEK | Maryland | Good | 1975 | 59.7 m | 4,720 |
| LITTLE GUNPOWDER FALLS | Maryland | Fair | 1987 | 26.5 m | 4,715 |
| TRIBUTARY TO HERRING RUN | Maryland | Fair | 1966 | 8.8 m | 4,715 |
| IS 83 | Maryland | Good | 2002 | 110.3 m | 4,702 |
| PINEY BRANCH | Maryland | Fair | 1935 | 7.9 m | 4,689 |
| REDHOUSE CREEK | Maryland | Fair | 1963 | 16.2 m | 4,687 |
| IS 70 | Maryland | Fair | 1968 | 65.2 m | 4,669 |
| INDIAN RUN | Maryland | Fair | 1930 | 8.5 m | 4,651 |
| I-83 AND AMTRAK | Maryland | Fair | 1920 | 199.9 m | 4,644 |
| PINEY BRANCH | Maryland | Poor | 2000 | 18.3 m | 4,644 |
| ZEKIAH SWAMP RUN | Maryland | Poor | 1969 | 13.6 m | 4,644 |
| BR OF MORGAN CREEK | Maryland | Fair | 1955 | 9.9 m | 4,632 |
| I-895 SB ON RAMP | Maryland | Fair | 1957 | 21.3 m | 4,627 |
| LITTLE PIPE CREEK | Maryland | Poor | 1930 | 8.8 m | 4,612 |
| TRIB TO PATUXENT RIVER | Maryland | Poor | 1962 | 8.5 m | 4,608 |
| SILVER CREEK | Maryland | Fair | 1940 | 6.1 m | 4,601 |
| ROCK CREEK TRIBUTARY | Maryland | Fair | 1966 | 7.2 m | 4,597 |
| SHIPYARD CREEK | Maryland | Fair | 1920 | 7.0 m | 4,590 |
| EAST BRANCH HERBERT RUN | Maryland | Fair | 1982 | 15.2 m | 4,590 |
| TRIB TO FOLLY BRANCH | Maryland | Good | 1999 | 21.9 m | 4,585 |
| DEEP RUN | Maryland | Fair | 1958 | 20.1 m | 4,585 |
| CATOCTIN CREEK | Maryland | Fair | 1928 | 63.1 m | 4,580 |
| HAWLINGS RIVER | Maryland | Good | 1996 | 16.9 m | 4,567 |
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.