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 |
|---|---|---|---|---|---|
| DODSON NORTH CANAL | Montana | Fair | 1976 | 15.8 m | 1,351 |
| DRAINAGE | Montana | Poor | 1973 | 13.5 m | 1,351 |
| BLODGETT CREEK 024 | Montana | Fair | 1993 | 8.8 m | 1,344 |
| BIG TIMBER CREEK | Montana | Fair | 1997 | 49.5 m | 1,341 |
| GALLATIN RIVER 008 | Montana | Fair | 1964 | 61.0 m | 1,328 |
| WHITE BEAR CREEK | Montana | Good | 1993 | 41.8 m | 1,327 |
| PEOPLES CREEK OVERFLOW | Montana | Fair | 1972 | 40.4 m | 1,327 |
| PEOPLES CREEK | Montana | Fair | 1972 | 60.4 m | 1,327 |
| WILLOW CREEK | Montana | Good | 1999 | 20.3 m | 1,325 |
| DEEP CREEK | Montana | Fair | 2007 | 22.8 m | 1,323 |
| RR | Montana | Good | 2012 | 144.7 m | 1,321 |
| ST. REGIS RVR-INT RAMP | Montana | Fair | 1983 | 79.5 m | 1,321 |
| MARIAS RIVER | Montana | Good | 1976 | 147.5 m | 1,311 |
| MARIAS RIVER | Montana | Good | 1976 | 147.5 m | 1,311 |
| BEAVER CREEK OVERFLOW | Montana | Fair | 1987 | 6.4 m | 1,310 |
| BEAVER CREEK | Montana | Fair | 1966 | 52.7 m | 1,310 |
| BOYD CREEK | Montana | Fair | 1942 | 17.4 m | 1,295 |
| LION CREEK | Montana | Fair | 1996 | 24.7 m | 1,289 |
| GALLATIN RIVER | Montana | Fair | 1967 | 59.3 m | 1,287 |
| BAKER CREEK | Montana | Poor | 1967 | 30.9 m | 1,287 |
| KEYSER CREEK | Montana | Fair | 2004 | 30.5 m | 1,280 |
| BEAVER CREEK OVERFLOW | Montana | Fair | 1987 | 59.1 m | 1,274 |
| BEAVER CREEK OVERFLOW | Montana | Fair | 1987 | 11.4 m | 1,274 |
| SHIELDS RIVER | Montana | Fair | 1981 | 46.5 m | 1,271 |
| TWO MEDICINE RIVER | Montana | Fair | 1950 | 81.7 m | 1,266 |
| BADGER CREEK | Montana | Fair | 1966 | 93.8 m | 1,266 |
| AGENCY CREEK | Montana | Fair | 1966 | 21.6 m | 1,266 |
| TETON RIVER | Montana | Fair | 1939 | 69.0 m | 1,265 |
| REDWATER RIVER | Montana | Fair | 1933 | 82.1 m | 1,263 |
| DRY HOUSE CREEK | Montana | Fair | 2007 | 41.3 m | 1,258 |
| GRIMES CREEK | Montana | Fair | 1962 | 30.9 m | 1,258 |
| MILK RIVER | Montana | Fair | 1972 | 78.0 m | 1,253 |
| ROCK CREEK | Montana | Good | 2003 | 22.0 m | 1,253 |
| DODSON SOUTH CANAL | Montana | Fair | 1972 | 31.4 m | 1,253 |
| DODSON CREEK OVERFLOW | Montana | Good | 2008 | 9.0 m | 1,252 |
| RR | Montana | Fair | 2008 | 110.9 m | 1,252 |
| SPRING CREEK | Montana | Good | 2008 | 10.8 m | 1,252 |
| UPPER SEVEN MILE CREEK | Montana | Fair | 1959 | 36.6 m | 1,251 |
| RR-POWER PLANT ROAD | Montana | Fair | 1981 | 79.5 m | 1,250 |
| RR | Montana | Fair | 1977 | 71.5 m | 1,249 |
| INT WEST FORSYTH I 94 | Montana | Fair | 1977 | 77.8 m | 1,249 |
| LOST CREEK | Montana | Poor | 1953 | 17.7 m | 1,246 |
| GOAT CREEK | Montana | Fair | 2004 | 21.0 m | 1,246 |
| PONDERA COULEE | Montana | Good | 1934 | 11.5 m | 1,245 |
| SEP OREGON STREET 017 | Montana | Fair | 1960 | 68.8 m | 1,232 |
| SNYDER CREEK | Montana | Fair | 1935 | 7.5 m | 1,230 |
| AVALANCHE CREEK | Montana | Fair | 1935 | 18.1 m | 1,230 |
| LOGAN CREEK | Montana | Fair | 1925 | 13.3 m | 1,230 |
| MCDONALD CREEK | Montana | Fair | 1926 | 6.6 m | 1,230 |
| RR | Montana | Fair | 1950 | 114.0 m | 1,227 |
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.