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 |
|---|---|---|---|---|---|
| HORSE CREEK 008 | Montana | Fair | 2012 | 15.3 m | 42 |
| LITTLE MISSOURI RIV 009 | Montana | Fair | 1989 | 40.6 m | 42 |
| DRAINAGE 010 | Montana | Good | 2013 | 15.3 m | 42 |
| COTTONWOOD CREEK 011 | Montana | Good | 2015 | 25.9 m | 42 |
| SAND CREEK 015 | Montana | Good | 2015 | 15.2 m | 42 |
| USBR MAIN CANAL 073 | Montana | Fair | 2001 | 23.5 m | 42 |
| LITTLE MUDDY CREEK 049 | Montana | Fair | 1995 | 18.3 m | 42 |
| OTTER CREEK 038 | Montana | Fair | 1970 | 9.1 m | 42 |
| EAST FORK POPLAR RIVER | Montana | Good | 1957 | 43.6 m | 42 |
| OUTLET CREEK | Montana | Fair | 1957 | 15.8 m | 42 |
| LITTLE BEAVER CREEK | Montana | Fair | 1992 | 54.4 m | 42 |
| RED ROCK COULEE 012 | Montana | Fair | 1933 | 13.9 m | 41 |
| FT. BELKNAP CANAL 01 | Montana | Fair | 1933 | 13.0 m | 41 |
| DODSON NORTH CANAL 037 | Montana | Fair | 1990 | 7.6 m | 41 |
| THOMPSON RIVER 062 | Montana | Good | 1976 | 24.4 m | 41 |
| LITTLE THOMPSON RIV 091 | Montana | Fair | 1974 | 10.1 m | 41 |
| TETON RIVER | Montana | Good | 1966 | 124.7 m | 41 |
| Sun River | Montana | Poor | 1916 | 76.1 m | 40 |
| ROSS FORK CREEK | Montana | Good | 2021 | 28.3 m | 40 |
| BIRCH CR | Montana | Fair | 1953 | 8.3 m | 40 |
| BLOODY D--- CR | Montana | Good | 1998 | 9.0 m | 40 |
| ROCK CR | Montana | Fair | 1986 | 20.4 m | 40 |
| BIRCH CR | Montana | Poor | 1954 | 7.5 m | 40 |
| ROCK CREEK | Montana | Good | 1986 | 20.4 m | 40 |
| NO DATA ENTERED | Montana | Good | 2009 | 18.6 m | 40 |
| BIG LAKE | Montana | Fair | 1971 | 7.5 m | 40 |
| STEEL CR | Montana | Fair | 1954 | 7.3 m | 40 |
| COAL CR | Montana | Fair | 1950 | 8.1 m | 40 |
| MADISON RIVER | Montana | Good | 1964 | 81.4 m | 40 |
| BOULDER RIVER | Montana | Fair | 1980 | 8.6 m | 40 |
| NO DATA ENTERED | Montana | Fair | 2010 | 9.9 m | 40 |
| N FK FLINT CREEK | Montana | Good | 2015 | 10.7 m | 40 |
| THREE MILE CREEK | Montana | Good | 2007 | 9.9 m | 40 |
| N F LOSTHORSE CR | Montana | Poor | 1953 | 7.3 m | 40 |
| LICK CREEK | Montana | Good | 2003 | 7.6 m | 40 |
| MOOSE CREEK | Montana | Good | 2007 | 14.9 m | 40 |
| NO DATA ENTERED | Montana | Good | 2011 | 11.9 m | 40 |
| EAST ROSEBUD CREEK | Montana | Good | 2007 | 24.4 m | 40 |
| EAST ROSEBUD CREEK | Montana | Good | 2007 | 27.7 m | 40 |
| WILLOW CREEK | Montana | Good | 2010 | 11.0 m | 40 |
| ROCK CREEK TRIBUTARY | Montana | Good | 2010 | 7.0 m | 40 |
| WEST FORK ROCK CREEK | Montana | Good | 2010 | 16.2 m | 40 |
| PICKET PIN CREEK | Montana | Good | 2010 | 12.8 m | 40 |
| RACETRACK CR | Montana | Fair | 1985 | 9.9 m | 40 |
| FOSTER CR | Montana | Fair | 1966 | 7.5 m | 40 |
| GOLD CREEK | Montana | Fair | 1975 | 12.4 m | 40 |
| FISH CR | Montana | Good | 1986 | 7.5 m | 40 |
| UPPER WILLOW CR | Montana | Fair | 1968 | 9.9 m | 40 |
| MIDDLE FORK ROCK CR | Montana | Fair | 1965 | 11.2 m | 40 |
| MEADOW CR | Montana | Good | 1978 | 8.6 m | 40 |
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.