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 |
|---|---|---|---|---|---|
| FLINT CREEK | Montana | Good | 1964 | 31.4 m | 222 |
| HORSE CREEK | Montana | Fair | 1940 | 30.8 m | 222 |
| DRAINAGE | Montana | Poor | 1941 | 17.4 m | 222 |
| DRAINAGE | Montana | Fair | 1947 | 7.9 m | 222 |
| DRY WASH | Montana | Fair | 1947 | 17.7 m | 222 |
| DRAINAGE | Montana | Poor | 1947 | 17.7 m | 222 |
| DRAINAGE | Montana | Fair | 1947 | 11.9 m | 222 |
| DRAINAGE | Montana | Fair | 1941 | 17.7 m | 222 |
| DRAINAGE | Montana | Fair | 1941 | 11.9 m | 222 |
| HORSE CREEK | Montana | Good | 2012 | 27.5 m | 222 |
| ANDERSON CREEK | Montana | Fair | 1940 | 17.7 m | 222 |
| DRAINAGE | Montana | Fair | 1940 | 17.7 m | 222 |
| DRAINAGE | Montana | Fair | 1941 | 17.4 m | 222 |
| CLARK FORK 045 | Montana | Fair | 1944 | 141.4 m | 221 |
| LITTLE PEOPLES CREEK | Montana | Good | 2006 | 18.3 m | 220 |
| Dry Creek | Montana | Good | 2023 | 7.0 m | 220 |
| TULLOCK CREEK | Montana | Good | 1968 | 28.3 m | 220 |
| DRAINAGE 010 | Montana | Fair | 1933 | 11.9 m | 219 |
| IRRIGATION DITCH 022 | Montana | Fair | 2011 | 33.8 m | 219 |
| DRAINAGE 015 | Montana | Fair | 1933 | 12.2 m | 219 |
| SARPY CREEK 014 | Montana | Good | 2015 | 32.2 m | 219 |
| DRAINAGE 009 | Montana | Poor | 1933 | 17.7 m | 219 |
| PIPE CREEK | Montana | Good | 1968 | 6.1 m | 217 |
| E FORK BIG SPRING CREEK | Montana | Fair | 1958 | 9.1 m | 217 |
| PIPE CREEK | Montana | Fair | 1965 | 18.9 m | 217 |
| LITTLE MISSOURI RIVER | Montana | Fair | 1983 | 43.4 m | 216 |
| COTTONWOOD CREEK | Montana | Fair | 1998 | 43.1 m | 215 |
| ASSINIBOINE CREEK | Montana | Fair | 1936 | 34.7 m | 215 |
| LITTLE COTTONWOOD CREEK | Montana | Good | 2015 | 33.0 m | 215 |
| DRAINAGE | Montana | Good | 2012 | 7.9 m | 214 |
| FORT BELKNAP CANAL | Montana | Good | 2012 | 11.3 m | 214 |
| BIG PORCUPINE CREEK | Montana | Good | 2004 | 43.6 m | 214 |
| MCGRAWS COULEE | Montana | Good | 2012 | 10.8 m | 214 |
| DRAINAGE | Montana | Good | 2012 | 6.3 m | 214 |
| DRAINAGE | Montana | Poor | 1938 | 11.9 m | 214 |
| EAST SPRING COULEE | Montana | Good | 2012 | 7.5 m | 214 |
| DRAINAGE | Montana | Good | 2012 | 9.1 m | 214 |
| BIG PORCUPINE OVERFLOW | Montana | Fair | 1988 | 24.1 m | 214 |
| GREASEWOOD CREEK | Montana | Good | 2012 | 8.7 m | 214 |
| CUT BANK CREEK | Montana | Good | 2002 | 73.8 m | 213 |
| COBELLE COULEE | Montana | Good | 1959 | 11.6 m | 213 |
| WILLOW CREEK | Montana | Good | 2002 | 27.9 m | 213 |
| FORT BELKNAP CANAL 007 | Montana | Fair | 1999 | 14.1 m | 212 |
| FORT BELKNAP CANAL 008 | Montana | Poor | 1933 | 14.6 m | 212 |
| RED ROCK COULEE 009 | Montana | Fair | 1933 | 11.6 m | 212 |
| MUSSELSHELL RIVER 008 | Montana | Fair | 1970 | 46.0 m | 208 |
| FLATWILLOW CREEK | Montana | Fair | 1939 | 40.7 m | 208 |
| DRAINAGE | Montana | Fair | 1940 | 11.9 m | 208 |
| CROW CREEK | Montana | Fair | 1948 | 7.8 m | 206 |
| FRENCHTOWN IRR CANAL 099 | Montana | Good | 1960 | 7.6 m | 205 |
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.