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 |
|---|---|---|---|---|---|
| SHIELDS RIVER 007 | Montana | Fair | 1980 | 28.3 m | 424 |
| TOSTON CANAL | Montana | Poor | 1948 | 9.1 m | 422 |
| SIMMS CREEK 112 | Montana | Fair | 1934 | 45.7 m | 421 |
| FORT SHAW CANAL 110 | Montana | Fair | 1934 | 11.9 m | 421 |
| HEPPLER COULEE 109 | Montana | Fair | 1934 | 17.4 m | 421 |
| REDWATER RIVER | Montana | Poor | 1950 | 46.2 m | 420 |
| MADISON RIVER 001 | Montana | Fair | 1967 | 84.7 m | 417 |
| CLARKS FK YELLOWSTNE 028 | Montana | Good | 1997 | 77.0 m | 416 |
| FIVE MILE CREEK 057 | Montana | Good | 2016 | 15.5 m | 413 |
| CLARKS FK YELLOWSTNE 056 | Montana | Fair | 1980 | 99.0 m | 413 |
| COTTONWOOD CREEK | Montana | Fair | 1963 | 11.0 m | 409 |
| FISH CREEK | Montana | Fair | 1934 | 17.2 m | 407 |
| CEDAR CREEK | Montana | Poor | 1935 | 40.5 m | 404 |
| BRACKETT CREEK | Montana | Fair | 1935 | 29.0 m | 404 |
| SIN-TIN-TIN-EM-SKA 102 | Montana | Good | 1985 | 7.0 m | 404 |
| RR | Montana | Fair | 2004 | 97.0 m | 401 |
| INT POMPEYS PILLAR-I 94 | Montana | Fair | 1968 | 80.5 m | 401 |
| BIG HORN CANAL | Montana | Good | 2001 | 9.1 m | 400 |
| BOX ELDER CREEK | Montana | Good | 1992 | 6.4 m | 400 |
| BUCKLEY COULEE | Montana | Fair | 1940 | 17.7 m | 399 |
| BENSLEY CREEK 030 | Montana | Fair | 2016 | 6.6 m | 397 |
| CLARK CANYON DAM SPLWY | Montana | Fair | 1962 | 22.1 m | 396 |
| DRAINAGE | Montana | Fair | 1970 | 9.9 m | 396 |
| INT HORSE PRAIRIE I 15 | Montana | Fair | 1962 | 71.6 m | 396 |
| WARM SPRING CREEK | Montana | Fair | 1970 | 9.9 m | 396 |
| WILD HORSE CREEK | Montana | Poor | 1941 | 30.5 m | 395 |
| WEST ALKALI CREEK | Montana | Good | 2008 | 9.1 m | 395 |
| WILD HORSE CREEK | Montana | Poor | 1940 | 30.8 m | 395 |
| BLACK COULEE | Montana | Good | 2008 | 9.8 m | 395 |
| FORK OF BEAVER CREEK | Montana | Fair | 1948 | 18.0 m | 395 |
| WILD HORSE CR OVERFLOW | Montana | Fair | 1941 | 18.0 m | 395 |
| LITTLE WARM CREEK | Montana | Fair | 1947 | 42.4 m | 395 |
| BIG WARM CREEK | Montana | Fair | 1941 | 30.9 m | 395 |
| LIBBY CREEK 122 | Montana | Good | 1985 | 38.4 m | 395 |
| HALFWAY COULEE | Montana | Fair | 1940 | 23.5 m | 395 |
| USRS LAT DITCH | Montana | Fair | 1953 | 11.6 m | 394 |
| INT HUSON-I 90 012 | Montana | Good | 1971 | 68.5 m | 393 |
| LITTLE BEAVER CREEK | Montana | Fair | 2010 | 35.4 m | 392 |
| BUTTE CREEK | Montana | Good | 2023 | 45.3 m | 392 |
| CHERRY CREEK | Montana | Fair | 1989 | 36.6 m | 392 |
| Spring Creek | Montana | Good | 2023 | 24.5 m | 392 |
| Drainage | Montana | Good | 2023 | 26.5 m | 392 |
| Drainage | Montana | Good | 2024 | 7.8 m | 392 |
| COLLINS CREEK | Montana | Poor | 1940 | 17.8 m | 392 |
| SHEEP CAMP CREEK | Montana | Fair | 1941 | 17.8 m | 392 |
| DRAINAGE | Montana | Fair | 1940 | 17.8 m | 392 |
| FLASTED DRAW | Montana | Fair | 1940 | 17.8 m | 392 |
| MILK RIVER | Montana | Fair | 1960 | 123.4 m | 392 |
| DRAINAGE | Montana | Good | 2007 | 7.6 m | 392 |
| POPLAR RIVER | Montana | Fair | 1940 | 84.6 m | 392 |
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.