Browse Bridge Database
5,235 bridges in the FHWA National Bridge Inventory in Montana.
National Bridge Inventory Database
Browse 5,235 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 |
|---|---|---|---|---|---|
| MORRELL CREEK | Montana | Fair | 1954 | 9.8 m | 50 |
| MONTURE CREEK | Montana | Fair | 1953 | 18.6 m | 50 |
| PLACID CR | Montana | Poor | 1959 | 7.5 m | 50 |
| OWL CREEK | Montana | Fair | 1980 | 9.9 m | 50 |
| BLIND CANYON | Montana | Fair | 1991 | 8.8 m | 50 |
| CLEARWATER RIVER | Montana | Good | 2005 | 15.5 m | 50 |
| BLIND CANYON CREEK | Montana | Fair | 1985 | 8.5 m | 50 |
| MORRELL CREEK | Montana | Good | 2015 | 25.3 m | 50 |
| EF SPRUCE CREEK | Montana | Good | 2020 | 13.0 m | 50 |
| WEST FORK SPRUCE CREEK | Montana | Good | 2020 | 13.1 m | 50 |
| DUNHAM CREEK | Montana | Good | 2020 | 25.9 m | 50 |
| ST REGIS RIVER | Montana | Good | 1963 | 37.6 m | 50 |
| TROUT CR | Montana | Fair | 1965 | 31.4 m | 50 |
| SILVER CREEK | Montana | Fair | 1984 | 7.4 m | 50 |
| CEDAR CR | Montana | Fair | 1935 | 32.6 m | 50 |
| CEDAR CR | Montana | Poor | 1959 | 9.3 m | 50 |
| DRY CR | Montana | Fair | 1959 | 8.9 m | 50 |
| TWELVEMILE CREEK | Montana | Fair | 1955 | 9.8 m | 50 |
| TWELVEMILE CREEK | Montana | Poor | 1955 | 8.6 m | 50 |
| TWELVEMILE CREEK | Montana | Poor | 1955 | 7.5 m | 50 |
| TWELVEMILE CREEK | Montana | Fair | 1955 | 7.2 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1972 | 37.5 m | 50 |
| CEDAR CR | Montana | Poor | 1954 | 8.8 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1957 | 46.0 m | 50 |
| WINDFALL CR | Montana | Fair | 1967 | 7.5 m | 50 |
| TROUT CR | Montana | Fair | 1967 | 12.4 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1954 | 8.7 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1957 | 11.2 m | 50 |
| E FK BIG CREEK | Montana | Fair | 1954 | 10.0 m | 50 |
| ST REGIS RIVER | Montana | Good | 1960 | 45.0 m | 50 |
| WARD CREEK | Montana | Fair | 1960 | 10.1 m | 50 |
| WARD CR | Montana | Good | 1968 | 7.5 m | 50 |
| TWELVEMILE CREEK | Montana | Fair | 1963 | 9.3 m | 50 |
| HOODOO CREEK | Montana | Fair | 1957 | 7.5 m | 50 |
| DEER CREEK | Montana | Good | 1991 | 7.5 m | 50 |
| WARD CREEK | Montana | Good | 1972 | 30.2 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1955 | 38.0 m | 50 |
| PACKER CREEK | Montana | Good | 1980 | 8.2 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1940 | 37.7 m | 50 |
| SAVENAC CREEK | Montana | Good | 2009 | 8.6 m | 50 |
| ST REGIS RIVER | Montana | Fair | 1900 | 24.7 m | 50 |
| VAN NESS CREEK | Montana | Good | 2019 | 10.4 m | 50 |
| SF LITTLE JOE CREEK | Montana | Good | 2020 | 19.1 m | 50 |
| BIG CREEK | Montana | Good | 2019 | 22.6 m | 50 |
| CLEAR CR | Montana | Fair | 1968 | 9.8 m | 50 |
| CLEAR CR | Montana | Fair | 1968 | 7.6 m | 50 |
| GRAVES CR | Montana | Fair | 1954 | 9.2 m | 50 |
| CLEAR CR | Montana | Good | 1991 | 11.1 m | 50 |
| BEATRICE CREEK | Montana | Fair | 1959 | 21.9 m | 50 |
| PROSPECT CREEK | Montana | Good | 1974 | 24.4 m | 50 |
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.