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 |
|---|---|---|---|---|---|
| INT FEELY I 15 001 | Montana | Fair | 1976 | 86.8 m | 51 |
| BLANCHE COULEE 084 | Montana | Fair | 1960 | 14.0 m | 51 |
| SOUTH COULEE 085 | Montana | Fair | 1960 | 10.5 m | 51 |
| TWO MEDICINE CREEK | Montana | Poor | 1969 | 53.3 m | 50 |
| OSWEGO EAST MAIN CANAL | Montana | Fair | 1972 | 12.2 m | 50 |
| MAIN CANAL | Montana | Good | 2010 | 9.1 m | 50 |
| DRY CREEK CANAL | Montana | Poor | 1975 | 6.7 m | 50 |
| BEAVER CREEK | Montana | Good | 2023 | 38.7 m | 50 |
| Bridger Creek | Montana | Good | 2002 | 17.1 m | 50 |
| BIG HOLE RIVER | Montana | Good | 2022 | 18.3 m | 50 |
| CANYON CR | Montana | Poor | 1952 | 8.1 m | 50 |
| BIG HOLE RIVER | Montana | Fair | 1950 | 61.9 m | 50 |
| JERRY CR | Montana | Good | 1973 | 11.3 m | 50 |
| JERRY CREEK | Montana | Fair | 1965 | 7.5 m | 50 |
| WISE RIVER | Montana | Good | 1986 | 29.6 m | 50 |
| MINER CR | Montana | Fair | 1947 | 11.0 m | 50 |
| NO DATA ENTERED | Montana | Good | 2008 | 8.6 m | 50 |
| CANYON CREEK | Montana | Good | 2023 | 11.3 m | 50 |
| MIDDLE FK RUBY RIVE | Montana | Fair | 1947 | 11.1 m | 50 |
| EAST FK RUBY RIVER | Montana | Fair | 1954 | 10.0 m | 50 |
| COTTONWOOD CR | Montana | Poor | 1954 | 9.2 m | 50 |
| BURNT CR | Montana | Fair | 1947 | 6.7 m | 50 |
| MIDDLE FK RUBY RIVER | Montana | Fair | 1954 | 10.1 m | 50 |
| RUBY RIVER | Montana | Good | 1999 | 26.7 m | 50 |
| NO DATA ENTERED | Montana | Good | 2001 | 18.4 m | 50 |
| NO DATA ENTERED | Montana | Good | 1985 | 8.6 m | 50 |
| NO DATA ENTERED | Montana | Good | 2014 | 12.2 m | 50 |
| W FK MADISON RIVER | Montana | Poor | 1947 | 30.2 m | 50 |
| FLINT CREEK | Montana | Fair | 2001 | 16.2 m | 50 |
| WARM SPRINGS CR | Montana | Good | 2016 | 7.9 m | 50 |
| BASS CREEK | Montana | Good | 2001 | 17.8 m | 50 |
| NORTH FORK RYE CREEK | Montana | Good | 2024 | 12.9 m | 50 |
| RYE CREEK | Montana | Good | 2024 | 14.3 m | 50 |
| E F BITTERROOT | Montana | Fair | 1947 | 23.7 m | 50 |
| WARM SPRINGS CREEK | Montana | Good | 2011 | 15.2 m | 50 |
| BLUE JOINT | Montana | Fair | 1960 | 8.2 m | 50 |
| LITTLE WEST FORK CR | Montana | Good | 1990 | 11.1 m | 50 |
| JOHNSON CR | Montana | Good | 2016 | 10.1 m | 50 |
| AMERICAN CREEK | Montana | Fair | 1955 | 7.5 m | 50 |
| WEST FORK ROCK CREEK | Montana | Fair | 1965 | 8.7 m | 50 |
| WEST FORK ROCK CREEK | Montana | Fair | 1956 | 11.3 m | 50 |
| MAIN FORK ROCK CREEK | Montana | Fair | 1952 | 10.0 m | 50 |
| WEST FORK ROCK CREEK | Montana | Fair | 1972 | 8.8 m | 50 |
| ROCK CREEK | Montana | Poor | 1970 | 15.5 m | 50 |
| LAKE FORK ROCK CREEK | Montana | Fair | 1952 | 8.2 m | 50 |
| LAKE FORK ROCK CREEK | Montana | Fair | 1952 | 8.8 m | 50 |
| WEST ROSEBUD CREEK | Montana | Fair | 1959 | 12.4 m | 50 |
| WEST ROSEBUD CREEK | Montana | Fair | 1965 | 13.6 m | 50 |
| ROCK CREEK | Montana | Fair | 1954 | 8.7 m | 50 |
| W.FORK STILLWATER RIVER | Montana | Fair | 1964 | 12.2 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.