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 |
|---|---|---|---|---|---|
| SKALKAHO CREEK 043 | Montana | Fair | 1979 | 9.1 m | 100 |
| E FK PORCUPINE CREEK 112 | Montana | Poor | 1960 | 12.2 m | 100 |
| E FORK BITTERROOT R 050 | Montana | Fair | 1962 | 60.3 m | 100 |
| VANDALIA SOUTH CANAL 074 | Montana | Fair | 1997 | 14.2 m | 100 |
| BUGGY CREEK 095 | Montana | Fair | 2000 | 9.3 m | 100 |
| DRAINAGE 096 | Montana | Fair | 2000 | 7.9 m | 100 |
| BRAZIL CREEK 079 | Montana | Fair | 2013 | 37.4 m | 100 |
| VANDALIA SOUTH CANAL 089 | Montana | Poor | 1938 | 18.6 m | 100 |
| VANDALIA SOUTH CANAL 078 | Montana | Poor | 1989 | 11.6 m | 100 |
| BEAVER CREEK 115 | Montana | Poor | 1931 | 72.5 m | 100 |
| BBWA CANAL 086 | Montana | Fair | 1984 | 17.4 m | 100 |
| SMITH CREEK 007 | Montana | Fair | 2012 | 36.6 m | 100 |
| SARGENT CREEK 001 | Montana | Fair | 1960 | 11.9 m | 100 |
| E FK PORCUPINE CREEK 002 | Montana | Fair | 1960 | 17.1 m | 100 |
| ROBERTS CREEK 005 | Montana | Fair | 1962 | 12.2 m | 100 |
| RYE CREEK 064 | Montana | Fair | 1975 | 12.5 m | 100 |
| WEST FORK POPLAR R 026 | Montana | Fair | 1975 | 48.2 m | 100 |
| MILK RIVER 094 | Montana | Fair | 2002 | 114.2 m | 100 |
| VANDALIA SOUTH CANAL 076 | Montana | Fair | 2012 | 6.6 m | 100 |
| RICHARDSON COULEE 090 | Montana | Fair | 1986 | 7.3 m | 100 |
| GALPIN COULEE 073 | Montana | Fair | 1960 | 18.9 m | 100 |
| LITTLE PORCUPINE CR 064 | Montana | Poor | 1965 | 21.3 m | 100 |
| MILK RIVER 081 | Montana | Fair | 1997 | 70.3 m | 100 |
| VANDALIA SOUTH CANAL 113 | Montana | Fair | 1988 | 11.6 m | 100 |
| CHERRY CREEK 080 | Montana | Fair | 1938 | 48.8 m | 100 |
| BIG ELK CREEK 004 | Montana | Fair | 1974 | 9.4 m | 100 |
| MUSSELSHELL RIVER 017 | Montana | Fair | 1965 | 34.1 m | 100 |
| IRRIGATION CANAL 107 | Montana | Fair | 1950 | 7.3 m | 100 |
| ANTELOPE CREEK 019 | Montana | Fair | 1931 | 11.9 m | 100 |
| AMERICAN FORK CREEK 015 | Montana | Good | 1993 | 20.4 m | 100 |
| MUSSELSHELL RIVER 009 | Montana | Fair | 1949 | 40.2 m | 100 |
| YELLOWSTONE RIVER 020 | Montana | Fair | 1991 | 170.0 m | 100 |
| EAST BENCH CANAL 001 | Montana | Fair | 1962 | 15.8 m | 100 |
| EAST BENCH CANAL 102 | Montana | Fair | 1962 | 17.1 m | 100 |
| CANYON DITCH 127 | Montana | Good | 2011 | 9.2 m | 100 |
| EAST BENCH CANAL 061 | Montana | Fair | 1962 | 21.0 m | 100 |
| RED ROCK RIVER 052 | Montana | Poor | 1920 | 29.9 m | 100 |
| BIG SHEEP CREEK 027 | Montana | Fair | 1969 | 11.0 m | 100 |
| BIG SHEEP CREEK 026 | Montana | Fair | 1931 | 6.7 m | 100 |
| HORSE PRAIRE CREEK 042 | Montana | Good | 1951 | 15.2 m | 100 |
| BIG HOLE RIVER 123 | Montana | Poor | 1915 | 53.3 m | 100 |
| TWO LEGGIN`S CANAL 014 | Montana | Fair | 1993 | 6.1 m | 100 |
| TWO LEGGIN`S CANAL 049 | Montana | Fair | 1996 | 8.5 m | 100 |
| TWO LEGGIN`S CANAL 005 | Montana | Fair | 1950 | 9.8 m | 100 |
| INT BALLANTINE-I 90 003 | Montana | Fair | 1972 | 82.9 m | 100 |
| SARPY CREEK 033 | Montana | Fair | 1981 | 7.9 m | 100 |
| E FORK SARPY CREEK 028 | Montana | Fair | 1971 | 12.8 m | 100 |
| LITTLE BIGHORN RIVER 069 | Montana | Fair | 1958 | 47.2 m | 100 |
| OWL CREEK 085 | Montana | Fair | 2015 | 17.4 m | 100 |
| UNNAMED CREEK 059 | Montana | Fair | 1950 | 7.3 m | 100 |
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.