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 |
|---|---|---|---|---|---|
| MISSION CREEK 002 | Montana | Good | 1987 | 21.6 m | 92 |
| MILK RIVER | Montana | Fair | 1954 | 74.3 m | 91 |
| SMOKE CREEK | Montana | Fair | 1960 | 33.5 m | 91 |
| POORMAN CREEK | Montana | Good | 2024 | 18.0 m | 89 |
| POORMAN CREEK | Montana | Good | 2021 | 15.2 m | 89 |
| POORMAN CREEK 140 | Montana | Good | 2007 | 20.0 m | 89 |
| POORMAN CREEK 147 | Montana | Good | 2004 | 12.8 m | 89 |
| POORMAN CREEK 148 | Montana | Good | 2004 | 10.9 m | 89 |
| NORTH BURNT FORK CK | Montana | Fair | 2012 | 7.9 m | 89 |
| Drainage | Montana | Good | 2023 | 8.5 m | 88 |
| INT COLLINS RD I 15 003 | Montana | Good | 1977 | 90.7 m | 88 |
| MUDDY CREEK 015 | Montana | Fair | 1987 | 15.3 m | 88 |
| SPRING COULEE 017 | Montana | Fair | 1975 | 12.5 m | 88 |
| KIRN COULEE | Montana | Good | 2008 | 9.1 m | 88 |
| HAY CREEK | Montana | Poor | 1950 | 11.9 m | 88 |
| O`BRIEN COULEE | Montana | Good | 1992 | 10.6 m | 88 |
| SAGE CREEK | Montana | Good | 2004 | 25.4 m | 88 |
| JEFFERSON RIVER 046 | Montana | Fair | 1898 | 98.7 m | 87 |
| FOSTER CREEK | Montana | Fair | 1952 | 11.6 m | 87 |
| YELLOWSTONE RIVER | Montana | Fair | 2001 | 245.4 m | 87 |
| RATTLESNAKE CREEK 039 | Montana | Good | 2012 | 27.4 m | 86 |
| PEOPLE`S CREEK 105 | Montana | Good | 2015 | 9.7 m | 86 |
| SARPY CREEK | Montana | Fair | 1990 | 7.5 m | 85 |
| OTTER CREEK | Montana | Fair | 1963 | 31.3 m | 85 |
| COOPER CREEK | Montana | Fair | 1979 | 29.0 m | 84 |
| PROSPECT CREEK | Montana | Fair | 1979 | 30.5 m | 84 |
| INT MOON CREEK-I 94 005 | Montana | Fair | 1962 | 73.3 m | 82 |
| COTTONWOOD CREEK 044 | Montana | Fair | 1928 | 8.1 m | 82 |
| RUBY RIVER 024 | Montana | Good | 2017 | 22.2 m | 81 |
| MUSSELSHELL RIVER 012 | Montana | Good | 2016 | 53.3 m | 81 |
| HOUND CREEK 028 | Montana | Good | 1975 | 34.4 m | 81 |
| SAGE CREEK 022 | Montana | Fair | 1977 | 22.6 m | 81 |
| ROCK CREEK 005 | Montana | Fair | 1981 | 9.4 m | 81 |
| LITTLE BIG HORN RIVER | Montana | Fair | 1993 | 18.6 m | 80 |
| WEST FORK MUDDY CREEK | Montana | Good | 1977 | 20.4 m | 80 |
| TIN CREEK | Montana | Fair | 1973 | 9.4 m | 80 |
| SOLDIER CREEK | Montana | Good | 1992 | 20.4 m | 80 |
| BAD ROUTE CREEK 044 | Montana | Fair | 1921 | 29.9 m | 80 |
| BR MAIN CANAL 035 | Montana | Poor | 1928 | 19.7 m | 80 |
| BR MAIN CANAL 036 | Montana | Poor | 1938 | 20.6 m | 80 |
| BR MAIN CANAL 037 | Montana | Fair | 1966 | 7.7 m | 80 |
| BUFFALO RAPIDS CANAL042 | Montana | Fair | 1939 | 11.9 m | 80 |
| MISSOURI RIVER | Montana | Fair | 1968 | 322.1 m | 80 |
| DRY FK MARIAS RIVER 013 | Montana | Good | 1970 | 40.8 m | 79 |
| PONDERA CANAL 012 | Montana | Fair | 1960 | 7.6 m | 79 |
| BIG MUDDY CREEK 046 | Montana | Poor | 1950 | 12.2 m | 79 |
| WOLF CREEK 047 | Montana | Fair | 1977 | 15.5 m | 79 |
| DIVERSION CANAL 079 | Montana | Good | 2004 | 15.8 m | 79 |
| HUNTLEY MAIN CANAL 146 | Montana | Good | 1986 | 22.3 m | 79 |
| DEADMAN`S BASIN CANAL | Montana | Fair | 1959 | 17.7 m | 79 |
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.