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 |
|---|---|---|---|---|---|
| LOSTHORSE CR | Montana | Poor | 1958 | 10.1 m | 5 |
| TIN CUP CREEK | Montana | Fair | 1972 | 15.5 m | 5 |
| LITTLE WEST FORK CR | Montana | Fair | 1968 | 7.3 m | 5 |
| HUGHES CR | Montana | Good | 2016 | 18.9 m | 5 |
| BEAVER CREEK | Montana | Good | 1970 | 8.5 m | 5 |
| QUINTONKON CREEK | Montana | Good | 1989 | 17.7 m | 5 |
| TUNNEL CREEK | Montana | Fair | 1924 | 9.8 m | 5 |
| MORAN CREEK | Montana | Fair | 1966 | 12.2 m | 5 |
| HAY CREEK | Montana | Fair | 1961 | 9.8 m | 5 |
| COAL CREEK | Montana | Fair | 1961 | 12.2 m | 5 |
| CANYON CREEK | Montana | Fair | 1976 | 23.2 m | 5 |
| CANYON CREEK | Montana | Good | 1977 | 12.6 m | 5 |
| HAY CREEK | Montana | Good | 1983 | 7.3 m | 5 |
| NORTH FORK SPRING FLOW | Montana | Good | 1997 | 18.3 m | 5 |
| COAL CREEK | Montana | Good | 2000 | 23.2 m | 5 |
| SQ___ CREEK | Montana | Fair | 1954 | 8.7 m | 5 |
| DODSON NORTH CANAL 013 | Montana | Poor | 1986 | 7.9 m | 5 |
| SAVOY CREEK | Montana | Good | 1990 | 24.1 m | 5 |
| WISE RIVER | Montana | Fair | 1984 | 18.3 m | 4 |
| RED ROCK RIVER 121 | Montana | Poor | 1913 | 22.9 m | 4 |
| DRY WOLF CREEK 095 | Montana | Fair | 1980 | 9.4 m | 4 |
| DRY WOLF CREEK 096 | Montana | Fair | 1980 | 12.5 m | 4 |
| FLY CREEK 138 | Montana | Good | 2015 | 20.1 m | 3 |
| THOMPSON RIVER | Montana | Fair | 1992 | 17.3 m | 3 |
| ALKALI CREEK | Montana | Fair | 1963 | 7.3 m | 2 |
| DRAG CREEK | Montana | Poor | 1963 | 7.3 m | 2 |
| BLOODY D--- CR | Montana | Fair | 1961 | 7.5 m | 2 |
| S.WILLOW CR. | Montana | Fair | 1995 | 9.4 m | 2 |
| OVERWHICH CR | Montana | Fair | 1972 | 10.1 m | 2 |
| OVERWHICH CR | Montana | Fair | 1964 | 8.5 m | 2 |
| CARROLL COULEE | Montana | Poor | 1963 | 12.2 m | 1 |
| KRAFT CREEK | Montana | Good | 1985 | 17.2 m | 1 |
| BOULDER RIVER | Montana | Poor | 1947 | 8.0 m | 1 |
| DUVAL COULEE | Montana | Poor | 2006 | 9.8 m | - |
| SARPY CREEK 012 | Montana | Fair | 1970 | 7.9 m | - |
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.