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 |
|---|---|---|---|---|---|
| W FISHER RIVER | Montana | Fair | 1982 | 22.9 m | 50 |
| LAKE CR | Montana | Poor | 1961 | 12.0 m | 50 |
| W FISHER CR | Montana | Fair | 1954 | 18.4 m | 50 |
| RAMSEY CR | Montana | Fair | 1965 | 8.6 m | 50 |
| LAKE CR | Montana | Fair | 1962 | 9.9 m | 50 |
| CEDAR CREEK | Montana | Fair | 1980 | 10.1 m | 50 |
| BARNUM CR | Montana | Good | 1986 | 15.5 m | 50 |
| E F PIPE CREEK | Montana | Good | 2019 | 16.8 m | 50 |
| PIPE CREEK | Montana | Good | 2020 | 19.3 m | 50 |
| EAST FORK PIPE CREEK | Montana | Good | 2020 | 15.6 m | 50 |
| WOLF CR | Montana | Fair | 1969 | 41.6 m | 50 |
| WOLF CR | Montana | Poor | 1960 | 10.1 m | 50 |
| WOLF CREEK | Montana | Poor | 1969 | 12.3 m | 50 |
| FISHER RIVER | Montana | Poor | 1969 | 51.5 m | 50 |
| FISHER RIVER | Montana | Fair | 1969 | 50.2 m | 50 |
| CRIPPLE HORSE CR | Montana | Poor | 1963 | 8.7 m | 50 |
| WOLF CR | Montana | Fair | 1969 | 22.6 m | 50 |
| WOLF CR | Montana | Fair | 1969 | 13.4 m | 50 |
| WOLF CR | Montana | Poor | 1969 | 25.2 m | 50 |
| FISHER RIV & RR OVERPASS | Montana | Fair | 1968 | 105.5 m | 50 |
| ROCK CR | Montana | Poor | 1954 | 14.2 m | 50 |
| VERMILION RIVER | Montana | Fair | 1965 | 12.2 m | 50 |
| N FK E FK BULL RIVER | Montana | Fair | 1960 | 11.3 m | 50 |
| MIDDLE FK BULL RIVER | Montana | Fair | 1995 | 10.1 m | 50 |
| VERMILION RIVER | Montana | Poor | 1959 | 13.7 m | 50 |
| WHITEPINE CR | Montana | Fair | 1961 | 10.1 m | 50 |
| ROCK CR | Montana | Good | 1959 | 11.2 m | 50 |
| GREEN GULCH | Montana | Fair | 1962 | 7.6 m | 50 |
| VERMILION RIVER | Montana | Fair | 1956 | 11.0 m | 50 |
| NO DATA ENTERED | Montana | Good | 2010 | 14.0 m | 50 |
| WOOD CREEK | Montana | Fair | 1967 | 8.8 m | 50 |
| N FK TETON RIVER | Montana | Fair | 1967 | 30.5 m | 50 |
| FORD CR. | Montana | Good | 1983 | 15.1 m | 50 |
| ROCK CREEK | Montana | Fair | 1954 | 8.8 m | 50 |
| ROCK CREEK | Montana | Fair | 1938 | 7.8 m | 50 |
| PLACER CREEK | Montana | Good | 1954 | 7.3 m | 50 |
| DRY WOLF CR | Montana | Fair | 1976 | 10.3 m | 50 |
| W FK COTTONWOOD CREEK | Montana | Fair | 1969 | 8.7 m | 50 |
| SPRING CREEK | Montana | Good | 1996 | 10.8 m | 50 |
| SHEEP CREEK | Montana | Fair | 1956 | 12.4 m | 50 |
| MOOSE CREEK | Montana | Fair | 1971 | 10.0 m | 50 |
| MOOSE CREEK | Montana | Fair | 1959 | 7.5 m | 50 |
| SHEEP CREEK | Montana | Fair | 1958 | 7.3 m | 50 |
| BELT CREEK | Montana | Fair | 1972 | 17.7 m | 50 |
| BELT CREEK | Montana | Fair | 1962 | 8.7 m | 50 |
| SHEEP CREEK | Montana | Fair | 1958 | 8.6 m | 50 |
| HARLEY CREEK | Montana | Fair | 1953 | 7.5 m | 50 |
| DRY FORK BELT CREEK | Montana | Fair | 1956 | 7.6 m | 50 |
| SHEEP CREEK | Montana | Fair | 1968 | 11.2 m | 50 |
| GRAVEYARD GULCH CREEK | Montana | Fair | 1953 | 7.5 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.