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 |
|---|---|---|---|---|---|
| GREASEWOOD CREEK | Montana | Good | 1984 | 23.6 m | 60 |
| BOX ELDER CREEK | Montana | Fair | 1984 | 12.8 m | 60 |
| ROSEBUD CREEK | Montana | Fair | 2019 | 7.5 m | 60 |
| LOGAN CREEK | Montana | Fair | 1974 | 28.3 m | 60 |
| LOGAN CREEK | Montana | Fair | 1976 | 30.8 m | 60 |
| RUBY CREEK | Montana | Fair | 1964 | 8.5 m | 60 |
| EAST FORK YAAK RIVER | Montana | Fair | 1981 | 18.3 m | 60 |
| LIMEKILN CANYON 022 | Montana | Poor | 1931 | 6.9 m | 60 |
| ODELL CREEK | Montana | Good | 2002 | 8.5 m | 59 |
| BATTLE CREEK 060 | Montana | Fair | 1940 | 51.1 m | 59 |
| FORT BELKNAP CANAL 061 | Montana | Good | 2010 | 7.1 m | 59 |
| CORRAL COULEE 063 | Montana | Good | 2013 | 9.7 m | 59 |
| S PONDERA COULEE 002 | Montana | Good | 1960 | 7.6 m | 59 |
| PONDERA COULEE 003 | Montana | Fair | 1960 | 14.6 m | 59 |
| PONDERA COULEE 004 | Montana | Good | 1987 | 14.9 m | 59 |
| DRAINAGE | Montana | Fair | 1965 | 7.3 m | 59 |
| SEP I 90 005 | Montana | Good | 1983 | 96.0 m | 58 |
| ST REGIS RIVER 027 | Montana | Good | 1965 | 43.3 m | 58 |
| BEAVER CREEK 047 | Montana | Good | 1991 | 27.4 m | 57 |
| MILK RIVER | Montana | Fair | 1954 | 77.4 m | 57 |
| HORSE CREEK | Montana | Fair | 1950 | 17.8 m | 57 |
| DRAINAGE | Montana | Fair | 1955 | 12.0 m | 57 |
| SWEET GRASS CREEK | Montana | Good | 1993 | 27.7 m | 57 |
| MIZPAH CREEK 086 | Montana | Fair | 1981 | 27.4 m | 56 |
| STREVELL CREEK 042 | Montana | Good | 2018 | 24.7 m | 56 |
| BIG ROCK CREEK | Montana | Good | 2009 | 15.0 m | 56 |
| THOMPSON RIVER | Montana | Good | 1988 | 9.6 m | 56 |
| W FORK POPLAR RVER 033 | Montana | Good | 1992 | 36.1 m | 55 |
| CARELESS CREEK | Montana | Good | 1967 | 31.1 m | 55 |
| MARIAS RIVER | Montana | Fair | 1953 | 138.7 m | 55 |
| WEST SIDE CANAL 1 | Montana | Fair | 2012 | 12.2 m | 54 |
| BEAVERHEAD RIVER 071 | Montana | Fair | 1930 | 30.5 m | 54 |
| SEP I 15 12 | Montana | Fair | 1973 | 95.4 m | 54 |
| MUSSELSHELL RIVER 017 | Montana | Good | 1992 | 46.9 m | 54 |
| NO NAME DITCH 053 | Montana | Fair | 1960 | 12.4 m | 53 |
| NO NAME DITCH 052 | Montana | Fair | 1950 | 7.3 m | 53 |
| DRY FK MARIAS 051 | Montana | Good | 1985 | 24.1 m | 53 |
| SPRING CREEK 050 | Montana | Good | 1987 | 8.2 m | 53 |
| IRRIGATION CANAL 085 | Montana | Good | 2013 | 7.9 m | 53 |
| YATES CREEK 003 | Montana | Fair | 1939 | 23.6 m | 53 |
| DRAINAGE | Montana | Fair | 1953 | 7.3 m | 53 |
| DRY FORK MARIAS RIVER | Montana | Fair | 1966 | 29.9 m | 53 |
| HANGING WOMAN CREEK | Montana | Fair | 1975 | 20.1 m | 53 |
| TONGUE RIVER | Montana | Fair | 1980 | 54.6 m | 53 |
| CANYON CREEK | Montana | Fair | 1990 | 11.6 m | 53 |
| W BOULDER RIVER 038 | Montana | Poor | 1938 | 27.4 m | 52 |
| W FORK BITTERROOT R 003 | Montana | Good | 2004 | 62.3 m | 52 |
| MUDDY CREEK 032 | Montana | Fair | 1982 | 10.1 m | 52 |
| ARROW CREEK 150 | Montana | Fair | 1987 | 16.8 m | 52 |
| BEAVER CREEK | Montana | Good | 2023 | 36.2 m | 51 |
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.