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 |
|---|---|---|---|---|---|
| MILK RIVER | Montana | Fair | 2000 | 90.4 m | 79 |
| PENNEL CREEK | Montana | Good | 2020 | 13.4 m | 78 |
| YELLOWSTONE RIVER 094 | Montana | Fair | 1907 | 324.3 m | 78 |
| INDIAN CREEK 043 | Montana | Good | 2001 | 14.9 m | 78 |
| CLARK FORK RIVER 026 | Montana | Fair | 2006 | 51.3 m | 78 |
| MILK RIVER 071 | Montana | Fair | 1998 | 112.2 m | 78 |
| FLATHEAD CREEK | Montana | Good | 2017 | 7.6 m | 77 |
| LAKE FRANCIS CANAL 075 | Montana | Fair | 1960 | 14.3 m | 77 |
| LONE MAN COULEE | Montana | Fair | 1975 | 15.2 m | 77 |
| DRY FK MARIAS RIVER 030 | Montana | Fair | 1960 | 18.6 m | 77 |
| PONDERA COULEE 029 | Montana | Fair | 1960 | 7.6 m | 77 |
| E FORK PORCUPINE CREEK | Montana | Fair | 1983 | 7.6 m | 77 |
| MCCUNE CREEK | Montana | Fair | 1962 | 12.4 m | 77 |
| VAIL CREEK | Montana | Poor | 1976 | 14.6 m | 77 |
| EAST ROSEBUD CREEK 017 | Montana | Fair | 2010 | 23.5 m | 76 |
| EAST ROSEBUD CREEK 018 | Montana | Fair | 1993 | 37.7 m | 76 |
| SAND CREEK 022 | Montana | Fair | 1974 | 45.4 m | 76 |
| PRAIRIE ELK CREEK 021 | Montana | Fair | 1972 | 42.5 m | 76 |
| HUNTLEY MAIN CANAL 152 | Montana | Fair | 1982 | 11.9 m | 76 |
| SOUTH FORK SANDSTONE CR | Montana | Fair | 1964 | 40.4 m | 76 |
| S FRK TWO MEDICINE RIVER | Montana | Fair | 1962 | 51.7 m | 75 |
| FORTY MILE CREEK | Montana | Good | 1990 | 7.3 m | 75 |
| SOUTH FORK PEOPLES CREEK | Montana | Fair | 1991 | 23.8 m | 75 |
| JOCKO RIVER | Montana | Good | 1996 | 18.3 m | 75 |
| RACETRACK CREEK | Montana | Good | 2015 | 18.5 m | 75 |
| RED ROCK RIVER 084 | Montana | Good | 2024 | 18.4 m | 75 |
| DEEP CREEK | Montana | Good | 1966 | 15.5 m | 75 |
| GRAVES CREEK | Montana | Good | 2002 | 24.8 m | 75 |
| KOOCANUSA RESERVOIR | Montana | Fair | 1971 | 742.8 m | 75 |
| MCDONALD CREEK | Montana | Good | 2000 | 58.7 m | 75 |
| LOGGING CREEK | Montana | Good | 1965 | 18.3 m | 75 |
| QUARTZ CREEK | Montana | Fair | 1965 | 18.3 m | 75 |
| BOX ELDER CREEK 006 | Montana | Fair | 1965 | 69.1 m | 74 |
| CLEAR CREEK 036 | Montana | Fair | 1988 | 14.1 m | 74 |
| PARSON CREEK | Montana | Fair | 2008 | 6.7 m | 74 |
| SMITH CREEK | Montana | Good | 2008 | 52.5 m | 74 |
| DRAINAGE OVERFLOW | Montana | Fair | 1935 | 14.0 m | 74 |
| OTTER CREEK | Montana | Good | 2013 | 14.4 m | 73 |
| COYOTE CREEK 085 | Montana | Fair | 1977 | 9.5 m | 73 |
| WOLF CREEK 086 | Montana | Fair | 1962 | 9.4 m | 73 |
| MOOSE CREEK 038 | Montana | Good | 1976 | 17.7 m | 73 |
| WHALE CREEK 048 | Montana | Fair | 1976 | 44.2 m | 73 |
| TEPEE CREEK 010 | Montana | Good | 2009 | 18.3 m | 73 |
| TRAIL CREEK 050 | Montana | Good | 2010 | 19.8 m | 73 |
| USBR MAIN CANAL 067 | Montana | Good | 2015 | 19.5 m | 73 |
| SWEET GRASS CREEK 00 | Montana | Good | 2009 | 31.0 m | 73 |
| INT WHOOPUP RD-I 94 001 | Montana | Fair | 1976 | 92.0 m | 72 |
| IRRIGATION CANAL 048 | Montana | Fair | 1940 | 9.5 m | 72 |
| SEP I 94 005 | Montana | Fair | 1968 | 84.1 m | 72 |
| RED ROCK RIVER 034 | Montana | Fair | 1977 | 12.2 m | 71 |
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.