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 |
|---|---|---|---|---|---|
| BIG SHEEP CREEK | Montana | Fair | 1991 | 10.7 m | 25 |
| Big Hole River | Montana | Fair | 1951 | 61.6 m | 25 |
| WILLOW CREEK | Montana | Fair | 1967 | 44.0 m | 25 |
| CAMP CREEK | Montana | Fair | 1976 | 6.6 m | 25 |
| BEAUCHAMP CREEK | Montana | Fair | 1972 | 18.8 m | 25 |
| DRY FORK CREEK | Montana | Good | 1979 | 9.1 m | 25 |
| Gypsum Creek | Montana | Good | 2010 | 14.6 m | 25 |
| Belmont Creek | Montana | Good | 2020 | 11.1 m | 25 |
| East Fork Chamberlain Cr | Montana | Fair | 2008 | 7.8 m | 25 |
| SAND CREEK | Montana | Good | 2023 | 17.1 m | 25 |
| JOHNSON CR | Montana | Fair | 1968 | 8.6 m | 25 |
| PIONEER CR | Montana | Fair | 1981 | 7.3 m | 25 |
| NFSR 5758 AND NFSR 725 | Montana | Good | 2008 | 14.9 m | 25 |
| DODGE CREEK | Montana | Good | 2002 | 15.2 m | 25 |
| RICH CREEK | Montana | Good | 2006 | 8.5 m | 25 |
| SUNDAY CREEK | Montana | Poor | 1998 | 8.1 m | 25 |
| SOUTH FORK YAAK RIVER | Montana | Fair | 1957 | 7.3 m | 25 |
| N F KEELER CR | Montana | Fair | 1976 | 16.8 m | 25 |
| N F MEADOW CR | Montana | Poor | 1953 | 7.5 m | 25 |
| RESERVATION CREEK 036 | Montana | Fair | 1928 | 20.4 m | 25 |
| LITTLE DRY CREEK | Montana | Fair | 1960 | 68.4 m | 25 |
| MISSION CREEK | Montana | Good | 2019 | 7.6 m | 24 |
| N FORK WHITETAIL CREEK | Montana | Fair | 1934 | 11.9 m | 24 |
| DEMPSEY CREEK | Montana | Good | 2000 | 6.6 m | 23 |
| LAYOUT CREEK | Montana | Fair | 1983 | 7.3 m | 23 |
| LOCATE CREEK 045 | Montana | Fair | 1901 | 12.2 m | 23 |
| BUFFALO COULEE 108 | Montana | Poor | 1950 | 9.8 m | 23 |
| SHEEP CREEK | Montana | Good | 2023 | 31.4 m | 22 |
| ST. REGIS RVR-INT RAMP | Montana | Fair | 1981 | 46.2 m | 22 |
| YAAK RIVER 039 | Montana | Fair | 1934 | 70.4 m | 22 |
| FRENCHMAN CREEK 126 | Montana | Fair | 1950 | 34.7 m | 22 |
| BIG MUDDY CREEK 024 | Montana | Good | 1987 | 24.1 m | 22 |
| FORD CREEK 025 | Montana | Fair | 1984 | 9.1 m | 22 |
| INT MCVEY CO ROAD 006 | Montana | Good | 1977 | 78.6 m | 22 |
| LONG GRASS CREEK | Montana | Good | 1984 | 9.1 m | 22 |
| W F BITTERROOT | Montana | Fair | 1964 | 48.7 m | 21 |
| LANDERS FORK | Montana | Fair | 1977 | 28.3 m | 21 |
| CLEAR CREEK 040 | Montana | Fair | 1986 | 14.9 m | 21 |
| IRRIGATION CANAL 041 | Montana | Fair | 1920 | 9.3 m | 21 |
| IRRIGATION CANAL 042 | Montana | Poor | 1920 | 12.0 m | 21 |
| CRACKERBOX CREEK 043 | Montana | Poor | 1997 | 22.9 m | 21 |
| USBR MAIN CANAL 058 | Montana | Fair | 1980 | 18.3 m | 21 |
| East Bench Canal | Montana | Fair | 1962 | 12.0 m | 20 |
| BADGER CREEK | Montana | Fair | 2002 | 35.8 m | 20 |
| SOUTH FORK VALLEY CREEK | Montana | Poor | 1995 | 8.4 m | 20 |
| HICKS CREEK | Montana | Fair | 2001 | 9.1 m | 20 |
| CNL BETW BOWDOIN/DRY LK | Montana | Good | 1973 | 15.5 m | 20 |
| DIKE TO BEAVER CREEK | Montana | Good | 1987 | 15.5 m | 20 |
| WILLOW CR | Montana | Fair | 1954 | 7.6 m | 20 |
| W FK FISHTRAP | Montana | Fair | 1973 | 7.6 m | 20 |
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.