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 |
|---|---|---|---|---|---|
| IRRIGATION CANAL 107 | Montana | Fair | 1950 | 7.3 m | 100 |
| BEAVER CREEK 115 | Montana | Poor | 1931 | 72.5 m | 100 |
| VANDALIA SOUTH CANAL 078 | Montana | Poor | 1989 | 11.6 m | 100 |
| MUSSELSHELL RIVER 017 | Montana | Fair | 1965 | 34.1 m | 100 |
| BIG ELK CREEK 004 | Montana | Fair | 1974 | 9.4 m | 100 |
| MUSSELSHELL RIVER 009 | Montana | Fair | 1949 | 40.2 m | 100 |
| ANTELOPE CREEK 019 | Montana | Fair | 1931 | 11.9 m | 100 |
| MUSSELSHELL RIVER 016 | Montana | Good | 1977 | 33.5 m | 100 |
| AMERICAN FORK CREEK 015 | Montana | Good | 1993 | 20.4 m | 100 |
| AMERICAN FORK CREEK 007 | Montana | Fair | 1982 | 10.1 m | 100 |
| MUSSELSHELL RIVER 018 | Montana | Good | 2011 | 36.9 m | 100 |
| MARTINSDALE RES SPWY 021 | Montana | Fair | 1976 | 7.6 m | 100 |
| AMERICAN FORK CREEK 002 | Montana | Fair | 1960 | 13.4 m | 100 |
| MUSSELSHELL RIVER 008 | Montana | Good | 1988 | 44.8 m | 100 |
| ROBERTS CREEK 005 | Montana | Fair | 1962 | 12.2 m | 100 |
| SMITH CREEK 007 | Montana | Fair | 2012 | 36.6 m | 100 |
| INT ROCHLITZ I 94 001 | Montana | Fair | 1974 | 98.2 m | 100 |
| CEDAR CREEK 010 | Montana | Fair | 1987 | 10.5 m | 100 |
| BEAVER CREEK 017 | Montana | Fair | 1997 | 56.4 m | 100 |
| CUSTER COULEE 098 | Montana | Poor | 1962 | 7.6 m | 100 |
| ARROW CREEK 145 | Montana | Fair | 1964 | 7.0 m | 100 |
| HUNTLEY MAIN CANAL 144 | Montana | Good | 2004 | 15.8 m | 100 |
| PRYOR CREEK 004 | Montana | Fair | 1978 | 29.6 m | 100 |
| PRYOR CREEK 007 | Montana | Fair | 1979 | 28.0 m | 100 |
| HUNTLEY MAIN CANAL 104 | Montana | Good | 1975 | 14.0 m | 100 |
| ARROW CREEK 102 | Montana | Fair | 1950 | 9.8 m | 100 |
| NO NAME 149 | Montana | Good | 2004 | 15.8 m | 100 |
| ARROW CREEK 148 | Montana | Good | 1983 | 19.8 m | 100 |
| ARROW CREEK 147 | Montana | Good | 2002 | 19.5 m | 100 |
| ARROW CREEK 100 | Montana | Fair | 1995 | 15.2 m | 100 |
| LITTLE CASINO CREEK 138 | Montana | Poor | 2006 | 8.4 m | 100 |
| BIGHORN RIVER 126 | Montana | Fair | 1930 | 191.8 m | 100 |
| FLY CREEK 143 | Montana | Fair | 1983 | 20.1 m | 100 |
| FLY CREEK 142 | Montana | Good | 1973 | 23.2 m | 100 |
| FLY CREEK 136 | Montana | Good | 1976 | 24.4 m | 100 |
| FLY CREEK 140 | Montana | Fair | 1996 | 25.3 m | 100 |
| FLY CREEK 139 | Montana | Fair | 1960 | 12.2 m | 100 |
| RR 009 | Montana | Fair | 2009 | 68.3 m | 100 |
| INT PRYOR CREEK 012 | Montana | Fair | 1969 | 100.2 m | 100 |
| PRYOR CREEK 001 | Montana | Fair | 1966 | 15.2 m | 100 |
| YELLOWSTONE RIVER 020 | Montana | Fair | 1991 | 170.0 m | 100 |
| DUCK CREEK 021 | Montana | Good | 1992 | 18.3 m | 100 |
| CLARKS FK YELLOWSTONE026 | Montana | Fair | 1969 | 73.1 m | 100 |
| SPRING CREEK 023 | Montana | Fair | 1969 | 10.4 m | 100 |
| DUCK CREEK 022 | Montana | Fair | 1967 | 12.2 m | 100 |
| BLUE CREEK 017 | Montana | Good | 2015 | 21.8 m | 100 |
| BLUE CREEK 127 | Montana | Good | 1993 | 40.5 m | 100 |
| BLUE CREEK 124 | Montana | Fair | 1967 | 18.3 m | 100 |
| BLUE CREEK 123 | Montana | Fair | 2013 | 26.0 m | 100 |
| BLUE CREEK 125 | Montana | Fair | 1979 | 22.6 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.