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 |
|---|---|---|---|---|---|
| RYE CR | Montana | Good | 2020 | 11.3 m | 10 |
| CHAFFIN CREEK | Montana | Good | 2023 | 19.1 m | 10 |
| E F BITTERROOT | Montana | Good | 1947 | 26.7 m | 10 |
| SWIFT CREEK | Montana | Good | 2011 | 14.9 m | 10 |
| NEZPERCE FK | Montana | Fair | 1972 | 141.4 m | 10 |
| NEZPERCE FK BTT | Montana | Fair | 1954 | 9.8 m | 10 |
| HUGHES CR | Montana | Fair | 1964 | 8.5 m | 10 |
| W F BITTERROOT | Montana | Fair | 1954 | 34.7 m | 10 |
| CEDAR CREEK | Montana | Good | 1985 | 8.7 m | 10 |
| GLACIER CREEK | Montana | Fair | 1981 | 22.9 m | 10 |
| ELK CREEK | Montana | Good | 1981 | 19.9 m | 10 |
| TRAIL CREEK | Montana | Good | 1981 | 7.3 m | 10 |
| GLACIER CREEK | Montana | Fair | 2019 | 32.0 m | 10 |
| BUNKER CREEK | Montana | Fair | 1973 | 15.2 m | 10 |
| EMERY CREEK | Montana | Good | 1983 | 11.4 m | 10 |
| GRAVES CREEK | Montana | Poor | 1970 | 12.2 m | 10 |
| BIG CREEK | Montana | Fair | 1962 | 14.6 m | 10 |
| WHALE CREEK | Montana | Poor | 1954 | 18.6 m | 10 |
| HALLOWAT CREEK | Montana | Good | 1956 | 9.3 m | 10 |
| COAL CREEK | Montana | Fair | 1964 | 14.9 m | 10 |
| CHAIN CREEK | Montana | Fair | 1966 | 7.3 m | 10 |
| TUCHUCK CREEK | Montana | Fair | 1953 | 7.9 m | 10 |
| THOMA CREEK | Montana | Good | 1964 | 7.3 m | 10 |
| CEDAR CREEK | Montana | Fair | 1992 | 6.7 m | 10 |
| HALLOWAT CREEK | Montana | Good | 1986 | 6.2 m | 10 |
| CAMAS CREEK | Montana | Good | 1986 | 7.3 m | 10 |
| COPPER CREEK | Montana | Good | 2005 | 10.1 m | 10 |
| WEST FORK YAAK RIVER | Montana | Fair | 1980 | 12.3 m | 10 |
| SPAR CR | Montana | Poor | 1955 | 12.2 m | 10 |
| 17 MILE CR | Montana | Good | 1993 | 20.4 m | 10 |
| WEST BUFFALO CREEK 042 | Montana | Good | 2014 | 6.9 m | 10 |
| LITTLE BLACKFOOT R 017 | Montana | Good | 2001 | 12.2 m | 10 |
| FROZE TO DEATH CR 013 | Montana | Good | 1986 | 20.7 m | 10 |
| E FK BITTERROOT RI | Montana | Poor | 1969 | 14.2 m | 9 |
| SHEEP CREEK 002 | Montana | Poor | 1986 | 8.7 m | 9 |
| HUNTLEY MAIN CANAL 156 | Montana | Fair | 1976 | 12.5 m | 9 |
| BIG MUDDY CREEK 020 | Montana | Fair | 1982 | 18.0 m | 8 |
| FORT BELKNAP CANAL 066 | Montana | Good | 2010 | 7.7 m | 7 |
| WISE RIVER | Montana | Poor | 1992 | 8.0 m | 6 |
| CF WMA - Eastside Canal | Montana | Fair | 1974 | 12.7 m | 5 |
| CF WMA - Eastside Canal | Montana | Poor | 1974 | 12.0 m | 5 |
| BLACK CANYON CREEK | Montana | Poor | 1965 | 6.4 m | 5 |
| Sauerkraut Creek | Montana | Good | 2010 | 8.8 m | 5 |
| NO NAME DITCH 076 | Montana | Good | 2020 | 9.1 m | 5 |
| FOURCHETTE CREEK | Montana | Fair | 1970 | 21.3 m | 5 |
| E FK LAMARCHE CR | Montana | Fair | 1980 | 15.2 m | 5 |
| NO DATA ENTERED | Montana | Fair | 1987 | 7.7 m | 5 |
| BURNT FORK BTTR RIV | Montana | Fair | 1967 | 8.8 m | 5 |
| TRAPPER CREEK | Montana | Fair | 1979 | 11.0 m | 5 |
| DALY CR | Montana | Poor | 1958 | 7.3 m | 5 |
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.