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 |
|---|---|---|---|---|---|
| BEATRICE CR | Montana | Fair | 1959 | 15.7 m | 50 |
| THOMPSON RIVER | Montana | Good | 1996 | 29.0 m | 50 |
| CAMAS CREEK | Montana | Good | 1983 | 14.3 m | 50 |
| AKOKALA CREEK | Montana | Good | 1983 | 9.8 m | 50 |
| BOWMAN CREEK | Montana | Fair | 1965 | 18.3 m | 50 |
| KINTLA CREEK | Montana | Fair | 1965 | 18.3 m | 50 |
| FORD CREEK | Montana | Fair | 1965 | 9.1 m | 50 |
| CREEK | Montana | Fair | 2001 | 8.5 m | 50 |
| CREEK | Montana | Fair | 2001 | 8.4 m | 50 |
| UPPER DIVIDE CREEK | Montana | Fair | 1970 | 30.5 m | 50 |
| LITTLE POWDER RIVER 011 | Montana | Fair | 1970 | 18.9 m | 50 |
| N FK BLACKFOOT RIVER 005 | Montana | Fair | 2000 | 43.5 m | 50 |
| BIG BLACKFOOT RIVER 006 | Montana | Fair | 1953 | 57.6 m | 50 |
| LITTLE PORCUPINE CR 055 | Montana | Fair | 1985 | 19.8 m | 50 |
| ROTTEN GRASS CREEK 008 | Montana | Good | 1966 | 31.4 m | 49 |
| FISH CREEK 022 | Montana | Fair | 1983 | 7.9 m | 49 |
| MUSSELSHELL RIVER 023 | Montana | Good | 1983 | 36.9 m | 49 |
| BLACK COULEE 072 | Montana | Poor | 1950 | 16.8 m | 49 |
| INT BECKHILL I 90 008 | Montana | Fair | 1978 | 92.7 m | 49 |
| LITTLE BLACKFOOT R 023 | Montana | Good | 2011 | 35.4 m | 49 |
| NORTH FORK HORSE CREEK | Montana | Good | 2023 | 26.8 m | 48 |
| CROW CREEK 004 | Montana | Fair | 1986 | 11.6 m | 48 |
| INT SWEETGRASS-I 15 | Montana | Fair | 1964 | 78.6 m | 48 |
| UPPER SEVEN MILE CREEK | Montana | Fair | 1986 | 11.1 m | 48 |
| PEOPLE`S CREEK 106 | Montana | Fair | 1971 | 8.2 m | 47 |
| COW CREEK 091 | Montana | Good | 1933 | 8.2 m | 47 |
| PUMPKIN CREEK 002 | Montana | Fair | 1981 | 13.6 m | 47 |
| SAND CREEK 003 | Montana | Fair | 1980 | 12.3 m | 47 |
| MIZPAH CREEK 020 | Montana | Fair | 1931 | 23.2 m | 47 |
| SPRING CREEK 019 | Montana | Fair | 1912 | 7.5 m | 47 |
| POWDER RIVER 016 | Montana | Fair | 2008 | 143.4 m | 47 |
| BRIDGE CREEK | Montana | Good | 2004 | 9.5 m | 47 |
| BEAVER CREEK 011 | Montana | Fair | 2017 | 25.9 m | 46 |
| HOGUM CREEK | Montana | Fair | 1962 | 7.9 m | 46 |
| BLACKFOOT RIVER | Montana | Fair | 1965 | 14.2 m | 46 |
| LOGGING CREEK | Montana | Fair | 1956 | 10.0 m | 46 |
| LOGGING CREEK | Montana | Fair | 1956 | 8.4 m | 46 |
| BELT CREEK | Montana | Poor | 1954 | 37.2 m | 46 |
| USBR MAIN CANAL 071 | Montana | Good | 1991 | 35.2 m | 46 |
| SAGE CREEK 053 | Montana | Good | 2009 | 25.3 m | 46 |
| MIDDLE FORK DEARBORN 010 | Montana | Good | 2014 | 30.5 m | 46 |
| MCDONALD CREEK 003 | Montana | Fair | 1940 | 12.2 m | 46 |
| BIG MUDDY CREEK 015 | Montana | Fair | 1985 | 18.3 m | 46 |
| DALY CR | Montana | Fair | 1947 | 9.4 m | 45 |
| LODGE GRASS CREEK 070 | Montana | Good | 2015 | 19.5 m | 45 |
| COTTONWOOD CREEK 027 | Montana | Good | 2012 | 36.9 m | 45 |
| COTTONWOOD CREEK 140 | Montana | Good | 2013 | 19.7 m | 45 |
| BEAVER CREEK 049 | Montana | Poor | 1983 | 24.7 m | 45 |
| RED ROCK COULEE 080 | Montana | Fair | 1970 | 9.4 m | 42 |
| FT. BELKNAP CANAL 08 | Montana | Fair | 1970 | 12.3 m | 42 |
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.