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 |
|---|---|---|---|---|---|
| FALLS RUN | Maryland | Fair | 1984 | 11.3 m | 4,050 |
| BR OF BIG PIPE CREEK | Maryland | Fair | 1931 | 6.7 m | 4,042 |
| BEAR BRANCH | Maryland | Fair | 1931 | 6.1 m | 4,042 |
| NORWICH CREEK | Maryland | Fair | 1960 | 31.7 m | 4,042 |
| CATOCTIN CREEK | Maryland | Good | 2010 | 92.4 m | 4,040 |
| IS 95 | Maryland | Fair | 1964 | 76.2 m | 4,040 |
| TRIB TO CHARLES RUN | Maryland | Fair | 1985 | 6.7 m | 4,031 |
| SWAN CREEK | Maryland | Fair | 1930 | 12.2 m | 4,030 |
| LITTLE NORTHEAST CREEK | Maryland | Fair | 1900 | 9.5 m | 4,014 |
| IS 95 | Maryland | Fair | 1970 | 147.8 m | 4,011 |
| MD 166 | Maryland | Fair | 1975 | 119.5 m | 4,011 |
| CATTAIL BRANCH | Maryland | Good | 1987 | 19.6 m | 4,001 |
| DEAD RUN | Maryland | Fair | 1968 | 8.0 m | 3,998 |
| IS 70 CSX TRANSPORTATIO | Maryland | Fair | 1974 | 202.7 m | 3,994 |
| MILL RUN | Maryland | Fair | 1900 | 7.0 m | 3,990 |
| BYNUM RUN | Maryland | Poor | 1957 | 28.3 m | 3,986 |
| STEMMERS RUN | Maryland | Poor | 1933 | 14.3 m | 3,982 |
| TRIB TO SOUTHWEST BRANCH | Maryland | Fair | 1969 | 6.6 m | 3,980 |
| LEEDS AVE & HERBERT RUN | Maryland | Good | 2016 | 56.0 m | 3,975 |
| BIG PIPE CREEK | Maryland | Good | 2018 | 17.7 m | 3,975 |
| I-370 RAMP M(3) | Maryland | Good | 2010 | 23.5 m | 3,953 |
| CRABBS BRANCH WAY | Maryland | Good | 2009 | 27.1 m | 3,953 |
| TRIB. TO PATAPSCO RIVER | Maryland | Fair | 1920 | 6.7 m | 3,951 |
| MD 32 | Maryland | Good | 1992 | 58.2 m | 3,941 |
| MUDDY BRANCH TRIBUTARY | Maryland | Good | 1995 | 9.8 m | 3,932 |
| ROCK CREEK | Maryland | Fair | 1990 | 11.0 m | 3,931 |
| MD 214 | Maryland | Good | 1993 | 72.5 m | 3,930 |
| PINEY BRANCH | Maryland | Fair | 1993 | 9.4 m | 3,929 |
| BROAD CREEK | Maryland | Fair | 1936 | 7.6 m | 3,920 |
| LITTLE CONOCOCHEAGUE CRE | Maryland | Fair | 1900 | 11.9 m | 3,912 |
| DUBLIN BRANCH | Maryland | Fair | 2004 | 8.5 m | 3,911 |
| SOUTH BRANCH BEAR CREEK | Maryland | Fair | 1950 | 10.3 m | 3,900 |
| SOUTH BRANCH BEAR CREEK | Maryland | Good | 1950 | 7.7 m | 3,900 |
| AMTRAK | Maryland | Fair | 1983 | 253.0 m | 3,900 |
| HARFORD RUN | Maryland | Fair | 1960 | 7.3 m | 3,900 |
| GWYNNS FALLS CSX | Maryland | Good | 1907 | 150.2 m | 3,900 |
| ROCK CREEK | Maryland | Good | 1994 | 45.7 m | 3,894 |
| WHITEMARSH BRANCH | Maryland | Fair | 1961 | 6.4 m | 3,892 |
| CATOCTIN CREEK | Maryland | Fair | 1928 | 29.6 m | 3,891 |
| TRIB TO PISCATAWAY CREEK | Maryland | Good | 1988 | 8.5 m | 3,885 |
| TRIBUTARY OF ANTIETAM CR | Maryland | Good | 2000 | 13.9 m | 3,885 |
| BYNUM RUN | Maryland | Good | 2010 | 36.6 m | 3,876 |
| YOUGHIOGHENY RIVER | Maryland | Good | 2021 | 37.2 m | 3,875 |
| BALLENGER CREEK | Maryland | Fair | 1925 | 9.4 m | 3,850 |
| IS 70 | Maryland | Fair | 1968 | 84.1 m | 3,850 |
| DEEP CREEK LAKE | Maryland | Fair | 1924 | 154.6 m | 3,850 |
| GUNPOWDER FALLS | Maryland | Fair | 1975 | 64.0 m | 3,850 |
| EVITTS CREEK | Maryland | Good | 1999 | 66.8 m | 3,841 |
| MASON ROAD | Maryland | Good | 1999 | 39.0 m | 3,841 |
| PEA VINE RUN & BEALS MIL | Maryland | Good | 1999 | 145.4 m | 3,841 |
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.