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 |
|---|---|---|---|---|---|
| POPLAR RIVER | Montana | Fair | 1940 | 84.6 m | 392 |
| CHERRY CREEK | Montana | Fair | 1989 | 36.6 m | 392 |
| FLATHEAD RIVER | Montana | Fair | 1965 | 199.2 m | 391 |
| INT SHIRLEY-I 94 006 | Montana | Fair | 1984 | 79.4 m | 391 |
| RR | Montana | Poor | 1965 | 39.7 m | 391 |
| ROSEBUD CREEK | Montana | Fair | 1983 | 22.9 m | 388 |
| DAVIS CREEK | Montana | Good | 1983 | 17.1 m | 388 |
| BELT CREEK | Montana | Fair | 2001 | 29.7 m | 387 |
| MUDDY CREEK | Montana | Good | 1981 | 52.7 m | 385 |
| JONES CREEK | Montana | Good | 1981 | 29.0 m | 385 |
| DOG CREEK | Montana | Fair | 1954 | 17.7 m | 384 |
| BOX ELDER CREEK | Montana | Fair | 1942 | 17.6 m | 382 |
| LITTLE BIGHORN RIVER | Montana | Fair | 1950 | 36.6 m | 382 |
| BOX ELDER CREEK | Montana | Poor | 1942 | 17.6 m | 382 |
| WARM SPRING CREEK | Montana | Good | 2020 | 31.1 m | 377 |
| DRY CREEK | Montana | Good | 2008 | 21.0 m | 377 |
| WARM SPRING CREEK | Montana | Good | 2008 | 48.1 m | 377 |
| WARM SPRING CREEK | Montana | Fair | 1949 | 11.6 m | 377 |
| WARM SPRING CREEK | Montana | Fair | 1969 | 12.2 m | 377 |
| ROSEBUD CREEK | Montana | Fair | 2005 | 34.3 m | 376 |
| SHEEP CREEK | Montana | Fair | 1939 | 21.0 m | 376 |
| THOMPSON CREEK 032 | Montana | Fair | 1987 | 8.5 m | 373 |
| HIGHWOOD CREEK | Montana | Good | 1999 | 34.9 m | 372 |
| WOLF CREEK | Montana | Good | 2022 | 35.3 m | 371 |
| CLARK FORK RIVER 020 | Montana | Poor | 1934 | 81.4 m | 371 |
| DRAINAGE | Montana | Fair | 1940 | 23.2 m | 368 |
| CEDAR CREEK | Montana | Fair | 1947 | 22.9 m | 368 |
| TULE CREEK | Montana | Fair | 1991 | 36.6 m | 368 |
| CHELSEA CREEK | Montana | Fair | 1992 | 8.2 m | 368 |
| DRAINAGE | Montana | Poor | 1940 | 29.0 m | 368 |
| INT FALLON-I 94 | Montana | Fair | 1978 | 83.9 m | 367 |
| YELLOWSTONE RIVER 069 | Montana | Fair | 1990 | 114.0 m | 367 |
| MUDDY CREEK 042 | Montana | Fair | 1973 | 24.4 m | 367 |
| DRAINAGE | Montana | Good | 1995 | 7.9 m | 363 |
| ROCK CREEK 059 | Montana | Good | 2012 | 18.9 m | 361 |
| BIG HORN RIVER | Montana | Fair | 1970 | 160.0 m | 360 |
| DRAINAGE | Montana | Fair | 2003 | 7.4 m | 360 |
| STOCKPASS-DRAINAGE | Montana | Good | 2003 | 8.3 m | 360 |
| WEST SIDE CANAL 126 | Montana | Good | 2011 | 9.0 m | 357 |
| SEP I 15 126 | Montana | Fair | 1973 | 94.8 m | 357 |
| INT FISH CREEK-I 90 009 | Montana | Fair | 1965 | 83.5 m | 356 |
| CLARK FORK 054 | Montana | Poor | 1932 | 157.9 m | 356 |
| FISH CREEK 058 | Montana | Good | 1986 | 27.0 m | 356 |
| SEVEN MILE CREEK 149 | Montana | Fair | 1982 | 7.3 m | 354 |
| BRACKETT CREEK 121 | Montana | Fair | 1989 | 8.5 m | 354 |
| STEEL CREEK | Montana | Fair | 1956 | 11.6 m | 353 |
| BIG HOLE RIVER | Montana | Fair | 1960 | 71.5 m | 353 |
| FLINT CREEK | Montana | Fair | 1956 | 11.8 m | 352 |
| DRAINAGE 052 | Montana | Fair | 1941 | 17.4 m | 352 |
| ARMELLS CREEK 045 | Montana | Fair | 1932 | 39.3 m | 352 |
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.