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 |
|---|---|---|---|---|---|
| PERITSA CREEK | Montana | Good | 2020 | 8.0 m | 564 |
| PRYOR CREEK 069 | Montana | Fair | 1979 | 30.8 m | 564 |
| E FORK PRYOR CREEK 174 | Montana | Fair | 1926 | 16.8 m | 564 |
| FLY CREEK 090 | Montana | Fair | 2002 | 23.0 m | 564 |
| TWO LEGGINS CANAL 0 | Montana | Poor | 1931 | 10.1 m | 564 |
| ROCK CREEK | Montana | Fair | 1967 | 7.6 m | 564 |
| INT AUGUSTA I 15 | Montana | Fair | 1966 | 59.5 m | 564 |
| POPLAR RIVER 013 | Montana | Fair | 1957 | 54.9 m | 563 |
| POPLAR RIVER 015 | Montana | Poor | 1985 | 31.9 m | 563 |
| MCDONALD CREEK | Montana | Fair | 1962 | 48.8 m | 560 |
| HAYMAKER CREEK | Montana | Fair | 1966 | 19.8 m | 557 |
| UPPER DEER CREEK 005 | Montana | Good | 1975 | 30.5 m | 556 |
| DRY CREEK 004 | Montana | Fair | 1937 | 17.4 m | 556 |
| T AND Y CANAL 065 | Montana | Fair | 1978 | 11.6 m | 554 |
| MCDONALD CREEK | Montana | Good | 1967 | 28.0 m | 553 |
| MISSOURI RIVER | Montana | Fair | 1983 | 161.6 m | 553 |
| RED COULEE | Montana | Fair | 1941 | 18.0 m | 552 |
| POWDER RIVER | Montana | Fair | 1973 | 189.6 m | 552 |
| DUGOUT COULEE | Montana | Good | 1973 | 27.8 m | 551 |
| MISSOURI RIVER | Montana | Fair | 1982 | 329.1 m | 551 |
| TROUT CREEK | Montana | Good | 1982 | 20.1 m | 551 |
| LITTLE BIGHORN RIVER | Montana | Fair | 1980 | 31.4 m | 548 |
| FLATHEAD RIVER 070 | Montana | Fair | 1960 | 118.8 m | 548 |
| THIRTY MILE CREEK | Montana | Fair | 1957 | 27.1 m | 546 |
| DUPUYER CREEK | Montana | Good | 1980 | 53.9 m | 543 |
| DUPUYER CREEK OVERFLOW | Montana | Good | 1968 | 37.2 m | 543 |
| TETON RIVER | Montana | Fair | 1953 | 91.1 m | 541 |
| INT MIDWAY I 15 | Montana | Poor | 1972 | 106.4 m | 540 |
| W FK CLEARWATER RIVER | Montana | Fair | 1963 | 7.3 m | 540 |
| MORAN CREEK 053 | Montana | Good | 2017 | 15.8 m | 539 |
| CABINET GORGE RES 049 | Montana | Good | 2017 | 233.9 m | 539 |
| BOX ELDER CREEK | Montana | Fair | 1953 | 56.1 m | 539 |
| LODGE GRASS CREEK | Montana | Fair | 1955 | 19.7 m | 539 |
| COAL CREEK 052 | Montana | Good | 1979 | 30.5 m | 539 |
| SUN RIVER | Montana | Fair | 1936 | 97.5 m | 538 |
| LITTLE DRY CREEK | Montana | Good | 2022 | 126.3 m | 537 |
| DRAINAGE | Montana | Fair | 1938 | 29.4 m | 537 |
| SURPRISE DITCH 060 | Montana | Poor | 1918 | 8.5 m | 537 |
| TETON RIVER | Montana | Fair | 1978 | 56.1 m | 532 |
| DEEP CREEK | Montana | Fair | 1965 | 56.1 m | 532 |
| WEST BOULDER RIVER | Montana | Fair | 1976 | 46.6 m | 529 |
| BOULDER RIVER | Montana | Good | 1975 | 62.8 m | 529 |
| BOULDER RIVER | Montana | Fair | 1950 | 46.6 m | 529 |
| SAND CREEK 038 | Montana | Fair | 1988 | 11.7 m | 525 |
| RR 001 | Montana | Fair | 1946 | 42.1 m | 525 |
| SILVERBOW CREEK 002 | Montana | Good | 2014 | 32.0 m | 525 |
| SEP I 94 002 | Montana | Fair | 1969 | 88.7 m | 523 |
| CANYON CREEK 114 | Montana | Fair | 1972 | 35.7 m | 522 |
| BIG DITCH 113 | Montana | Fair | 1938 | 7.3 m | 522 |
| OLIVER COULEE | Montana | Good | 2004 | 7.5 m | 520 |
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.