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 |
|---|---|---|---|---|---|
| MIDDLE FORK CASH CR 049 | Montana | Fair | 1960 | 8.5 m | 100 |
| WILLOW CREEK 030 | Montana | Fair | 2000 | 28.4 m | 100 |
| CHERRY CREEK 004 | Montana | Good | 2012 | 19.6 m | 100 |
| CHERRY CREEK 093 | Montana | Fair | 2012 | 24.4 m | 100 |
| ROCK CREEK CANAL 029 | Montana | Fair | 2004 | 7.6 m | 100 |
| ROCK CREEK 098 | Montana | Fair | 1955 | 40.2 m | 100 |
| MILK RIVER 036 | Montana | Fair | 1995 | 62.5 m | 100 |
| LITTLE SNAKE CREEK 048 | Montana | Poor | 1965 | 7.9 m | 100 |
| MIDDLE FK PORCUPINE 020 | Montana | Good | 1981 | 28.3 m | 100 |
| SNOW COULEE 021 | Montana | Fair | 1981 | 25.3 m | 100 |
| MID FK PORCUPINE CR 013 | Montana | Fair | 1960 | 28.3 m | 100 |
| WEST FORK WOLF CREEK 057 | Montana | Fair | 1950 | 18.9 m | 100 |
| LITTLE PORCUPINE CR 015 | Montana | Fair | 1980 | 19.2 m | 100 |
| HAY COULEE 006 | Montana | Fair | 1930 | 12.2 m | 100 |
| LINDEKE COULEE 007 | Montana | Poor | 1930 | 18.0 m | 100 |
| DRAINAGE 009 | Montana | Fair | 1930 | 18.0 m | 100 |
| SARGENT CREEK 001 | Montana | Fair | 1960 | 11.9 m | 100 |
| E FK PORCUPINE CREEK 002 | Montana | Fair | 1960 | 17.1 m | 100 |
| E FK PORCUPINE CREEK 112 | Montana | Poor | 1960 | 12.2 m | 100 |
| WEST FORK POPLAR R 026 | Montana | Fair | 1975 | 48.2 m | 100 |
| MILK RIVER 094 | Montana | Fair | 2002 | 114.2 m | 100 |
| BUGGY CREEK 095 | Montana | Fair | 2000 | 9.3 m | 100 |
| RICHARDSON COULEE 090 | Montana | Fair | 1986 | 7.3 m | 100 |
| VANDALIA SOUTH CANAL 074 | Montana | Fair | 1997 | 14.2 m | 100 |
| VANDALIA SOUTH CANAL 076 | Montana | Fair | 2012 | 6.6 m | 100 |
| VANDALIA SOUTH CANAL 089 | Montana | Poor | 1938 | 18.6 m | 100 |
| LITTLE PORCUPINE CR 064 | Montana | Poor | 1965 | 21.3 m | 100 |
| GALPIN COULEE 073 | Montana | Fair | 1960 | 18.9 m | 100 |
| CHERRY CREEK 080 | Montana | Fair | 1938 | 48.8 m | 100 |
| MILK RIVER 081 | Montana | Fair | 1997 | 70.3 m | 100 |
| BRAZIL CREEK 079 | Montana | Fair | 2013 | 37.4 m | 100 |
| VANDALIA SOUTH CANAL 113 | Montana | Fair | 1988 | 11.6 m | 100 |
| DRAINAGE 096 | Montana | Fair | 2000 | 7.9 m | 100 |
| 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 |
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.