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 |
|---|---|---|---|---|---|
| ARMELLS CREEK | Montana | Fair | 1967 | 28.2 m | 100 |
| INT I 94 | Montana | Fair | 1972 | 91.1 m | 100 |
| INT E GLENDIVE I 94 | Montana | Fair | 1969 | 107.9 m | 100 |
| INT N SHELBY I 15 | Montana | Fair | 1960 | 85.6 m | 100 |
| INT BOULDER I 15 | Montana | Fair | 1973 | 79.8 m | 100 |
| INT BELGRADE I 90 | Montana | Fair | 1998 | 100.6 m | 100 |
| INT FRENCHTOWN-I 90 | Montana | Fair | 1971 | 69.2 m | 100 |
| INT S DEER LODGE-I 90 | Montana | Fair | 1961 | 78.0 m | 100 |
| DRAINAGE-STOCKPASS | Montana | Fair | 1952 | 12.0 m | 100 |
| DRAINAGE | Montana | Fair | 1952 | 23.6 m | 100 |
| FORT BELKNAP CANAL | Montana | Poor | 1952 | 11.9 m | 100 |
| INT SARPY CREEK I 94 | Montana | Fair | 1967 | 78.9 m | 100 |
| STILLWATER RIVER | Montana | Fair | 1983 | 63.7 m | 100 |
| WHITEFISH RIVER | Montana | Poor | 1983 | 40.5 m | 100 |
| STILLWATER RIVER | Montana | Fair | 1962 | 36.9 m | 99 |
| MILL CREEK | Montana | Fair | 1971 | 25.0 m | 99 |
| GALLATIN RIVER | Montana | Fair | 1935 | 45.1 m | 99 |
| HYALITE CREEK | Montana | Good | 1988 | 25.0 m | 99 |
| GALLATIN RIVER | Montana | Fair | 1970 | 23.2 m | 99 |
| GALLATIN RIVER | Montana | Fair | 1970 | 22.9 m | 99 |
| GALLATIN RIVER | Montana | Good | 1968 | 36.6 m | 99 |
| GALLATIN RIVER | Montana | Fair | 1951 | 40.8 m | 99 |
| YAAK RIVER | Montana | Poor | 1951 | 51.8 m | 99 |
| SOUTH FORK YAAK RIVER | Montana | Poor | 1953 | 12.3 m | 99 |
| WEST FORK YAAK RIVER | Montana | Good | 1976 | 21.6 m | 99 |
| NORTH FORK YAAK RIVER | Montana | Good | 1986 | 35.7 m | 99 |
| STANLEY CR | Montana | Fair | 1963 | 8.7 m | 99 |
| RUBY CREEK | Montana | Good | 1956 | 7.0 m | 99 |
| LIBBY CR | Montana | Good | 1984 | 28.0 m | 99 |
| LIBBY CR | Montana | Fair | 1984 | 28.0 m | 99 |
| BRISTOW CR | Montana | Good | 1969 | 31.7 m | 99 |
| BN RAILROAD | Montana | Fair | 1968 | 57.9 m | 99 |
| S FK TETON RIVER | Montana | Good | 1965 | 34.4 m | 99 |
| N FK SUN RIVER | Montana | Poor | 1927 | 83.2 m | 99 |
| BELT CREEK | Montana | Fair | 1909 | 15.8 m | 99 |
| BELT CREEK | Montana | Fair | 1909 | 23.5 m | 99 |
| WHITEWATER CREEK | Montana | Fair | 1958 | 31.0 m | 99 |
| TETON RIVER | Montana | Good | 1981 | 71.2 m | 99 |
| NO NAME COULEE 028 | Montana | Good | 2012 | 7.1 m | 97 |
| WARM SPRINGS-EB INT RAMP | Montana | Fair | 1978 | 9.1 m | 96 |
| YELLOWSTONE RIVER | Montana | Fair | 1968 | 215.1 m | 96 |
| ALKALI CREEK | Montana | Good | 1977 | 25.0 m | 96 |
| BIG SANDY CREEK | Montana | Fair | 1961 | 22.9 m | 96 |
| SHADWELL CREEK | Montana | Good | 1971 | 40.2 m | 95 |
| O`BRIEN CREEK | Montana | Fair | 1977 | 31.1 m | 95 |
| SEVEN MILE CREEK 025 | Montana | Poor | 1983 | 22.7 m | 94 |
| CLEAR CREEK 026 | Montana | Fair | 1976 | 12.4 m | 94 |
| CLEAR CREEK 027 | Montana | Fair | 1979 | 11.9 m | 94 |
| SAND CREEK | Montana | Good | 1966 | 30.9 m | 94 |
| CEDAR CREEK | Montana | Good | 2003 | 55.8 m | 94 |
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.