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 |
|---|---|---|---|---|---|
| LOCUST RUN | Maryland | Good | 1969 | 7.6 m | 7,359 |
| INDIAN CREEK | Maryland | Fair | 1989 | 17.4 m | 7,353 |
| FROM INTERSTATE AVE | Maryland | Good | 1980 | 186.2 m | 7,352 |
| US 301 NBR | Maryland | Good | 1959 | 38.1 m | 7,331 |
| I-95 | Maryland | Good | 2005 | 93.7 m | 7,325 |
| MARLEY CREEK | Maryland | Fair | 1972 | 6.7 m | 7,323 |
| LITTLE PIPE CREEK | Maryland | Fair | 1963 | 9.1 m | 7,321 |
| MD 200 (ICC) | Maryland | Good | 2013 | 75.2 m | 7,318 |
| WEST BRANCH PATAPSCO RIV | Maryland | Good | 1968 | 20.4 m | 7,307 |
| COQUELIN RUN | Maryland | Fair | 1949 | 11.2 m | 7,307 |
| IS 83 | Maryland | Good | 2014 | 79.6 m | 7,300 |
| WINTERS RUN | Maryland | Good | 1991 | 41.8 m | 7,300 |
| LITTLE PAINT BRANCH | Maryland | Fair | 1985 | 26.5 m | 7,293 |
| LITTLE PATUXENT RIVER | Maryland | Fair | 1987 | 26.2 m | 7,285 |
| N BRANCH POTOMAC RIVER | Maryland | Fair | 1953 | 97.8 m | 7,278 |
| CARROLL CREEK | Maryland | Fair | 1992 | 44.2 m | 7,250 |
| FISHERMAN CREEK | Maryland | Fair | 1936 | 7.0 m | 7,244 |
| LITTLE BENNETT CREEK | Maryland | Fair | 1951 | 19.8 m | 7,232 |
| EVITTS CREEK | Maryland | Poor | 1966 | 39.9 m | 7,221 |
| OWENS CREEK | Maryland | Good | 1996 | 28.0 m | 7,221 |
| ROCK CREEK | Maryland | Fair | 1976 | 9.8 m | 7,210 |
| US 29 | Maryland | Good | 2001 | 80.2 m | 7,207 |
| MD 32 | Maryland | Good | 2020 | 50.0 m | 7,200 |
| PURPLE LINE / CAPITAL CR | Maryland | Good | 2024 | 19.1 m | 7,194 |
| ROCK CREEK | Maryland | Fair | 1969 | 61.3 m | 7,194 |
| LYONS CREEK | Maryland | Good | 2003 | 62.5 m | 7,166 |
| MD 4 | Maryland | Good | 2003 | 96.9 m | 7,166 |
| MINEBANK RUN | Maryland | Fair | 1968 | 7.8 m | 7,165 |
| SPRING BRANCH | Maryland | Fair | 1955 | 6.1 m | 7,160 |
| CHAPEL BRANCH | Maryland | Fair | 1954 | 12.6 m | 7,160 |
| TRIBURATY TO HAMMOND BRA | Maryland | Fair | 2006 | 6.8 m | 7,155 |
| HAMMOND BRANCH | Maryland | Fair | 2005 | 9.8 m | 7,155 |
| CSX TRANSPORTATION | Maryland | Fair | 1967 | 68.6 m | 7,151 |
| LITTLE SENECA CREEK TRIB | Maryland | Fair | 2017 | 10.8 m | 7,151 |
| POTOMAC RIVER | Maryland | Fair | 1967 | 146.9 m | 7,150 |
| DAILY PARKING GARAGE | Maryland | Fair | 2003 | 166.7 m | 7,142 |
| MANOKIN RIVER | Maryland | Fair | 1921 | 7.0 m | 7,131 |
| CSXT RAILROAD | Maryland | Fair | 1945 | 25.9 m | 7,121 |
| HENSON CREEK | Maryland | Fair | 1979 | 36.0 m | 7,120 |
| PURNELL BRANCH | Maryland | Fair | 1952 | 20.7 m | 7,120 |
| LITTLE SENECA CREEK TRIB | Maryland | Fair | 1988 | 9.9 m | 7,114 |
| MILL RUN | Maryland | Fair | 1950 | 11.4 m | 7,111 |
| MD 135A | Maryland | Fair | 1952 | 38.7 m | 7,111 |
| TRIB TO NORTH BR POTOMAC | Maryland | Fair | 1900 | 7.0 m | 7,111 |
| MILL RUN | Maryland | Fair | 1900 | 6.4 m | 7,111 |
| MILL RUN | Maryland | Fair | 1929 | 9.1 m | 7,111 |
| TRIB TO NORTH BR POTOMAC | Maryland | Fair | 1929 | 7.3 m | 7,111 |
| TRIB TO NORTH BR POTOMAC | Maryland | Fair | 1951 | 6.9 m | 7,111 |
| BRIGHTON DAM & TRIADELPH | Maryland | Fair | 1944 | 183.5 m | 7,106 |
| BURCH BRANCH | Maryland | Fair | 1952 | 14.0 m | 7,103 |
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.