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 |
|---|---|---|---|---|---|
| BRACKETT CREEK | Montana | Fair | 1972 | 10.1 m | 50 |
| NORTH FORK SPANISH CREEK | Montana | Fair | 1967 | 9.9 m | 50 |
| SOUTH FORK SPANISH CREEK | Montana | Good | 1967 | 18.6 m | 50 |
| PORTAL CREEK | Montana | Good | 2005 | 15.2 m | 50 |
| TAYLOR FORK CREEK | Montana | Good | 2004 | 21.3 m | 50 |
| NO DATA ENTERED | Montana | Good | 2022 | 18.8 m | 50 |
| EF CHICKEN CREEK | Montana | Good | 2021 | 11.0 m | 50 |
| CROW CREEK | Montana | Fair | 1967 | 12.2 m | 50 |
| CROW CREEK | Montana | Fair | 1967 | 12.2 m | 50 |
| TROUT CREEK | Montana | Good | 2004 | 9.4 m | 50 |
| BEAVER CREEK | Montana | Fair | 2004 | 13.6 m | 50 |
| BEAVER CREEK | Montana | Good | 2019 | 13.6 m | 50 |
| BEAVER CREEK | Montana | Good | 2018 | 11.9 m | 50 |
| PINKHAM CR | Montana | Fair | 1968 | 12.5 m | 50 |
| PINKHAM CREEK | Montana | Good | 1988 | 10.0 m | 50 |
| S F BIG CR | Montana | Fair | 1979 | 11.3 m | 50 |
| YOUNG CR | Montana | Fair | 1973 | 7.5 m | 50 |
| PINKHAM CR | Montana | Fair | 1992 | 21.8 m | 50 |
| GOOD CREEK | Montana | Poor | 1972 | 7.5 m | 50 |
| WEASEL CR | Montana | Fair | 1957 | 10.0 m | 50 |
| WIGWAM CR | Montana | Good | 1981 | 11.1 m | 50 |
| STAHL CR | Montana | Fair | 1966 | 7.5 m | 50 |
| STAHL CR | Montana | Fair | 1966 | 7.5 m | 50 |
| CLARENCE CR | Montana | Poor | 1977 | 7.5 m | 50 |
| FORTINE CR | Montana | Fair | 1963 | 8.7 m | 50 |
| DEEP CR | Montana | Fair | 1958 | 7.5 m | 50 |
| SWAMP CREEK | Montana | Good | 1995 | 7.0 m | 50 |
| YAAK R | Montana | Fair | 1961 | 43.0 m | 50 |
| STAR CREEK | Montana | Good | 1976 | 19.5 m | 50 |
| VINAL CREEK | Montana | Good | 1980 | 15.6 m | 50 |
| E FK YAAK | Montana | Fair | 1968 | 11.1 m | 50 |
| WEST FORK KEELER CREEK | Montana | Fair | 1957 | 10.7 m | 50 |
| WEST FORK YAAK RIVER | Montana | Poor | 1987 | 17.4 m | 50 |
| YAAK RIVER | Montana | Fair | 1954 | 45.4 m | 50 |
| HIATT CREEK | Montana | Fair | 1976 | 11.1 m | 50 |
| BASIN CREEK | Montana | Fair | 1968 | 7.3 m | 50 |
| MADGE CREEK | Montana | Good | 2011 | 19.1 m | 50 |
| NORTH CREEK | Montana | Good | 2013 | 19.6 m | 50 |
| FLOWER CR | Montana | Poor | 1961 | 8.7 m | 50 |
| S FK MILLER CR | Montana | Good | 1978 | 7.5 m | 50 |
| BIG CHERRY CR | Montana | Fair | 1966 | 9.8 m | 50 |
| GRANITE CR | Montana | Fair | 1964 | 12.3 m | 50 |
| BOBTAIL CR | Montana | Poor | 1973 | 7.3 m | 50 |
| QUARTZ CREEK | Montana | Fair | 1976 | 19.8 m | 50 |
| PIPE CREEK | Montana | Poor | 1962 | 13.9 m | 50 |
| BEAR CR | Montana | Fair | 1976 | 11.1 m | 50 |
| E F PIPE CR | Montana | Fair | 1977 | 11.1 m | 50 |
| LEIGH CR | Montana | Fair | 1968 | 8.0 m | 50 |
| LIBBY CR | Montana | Good | 1998 | 27.4 m | 50 |
| HOWARD CR | Montana | Poor | 1976 | 7.3 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.