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 |
|---|---|---|---|---|---|
| EXCELSIOR AVE | Montana | Fair | 1955 | 47.5 m | 100 |
| BEAVERHEAD RIVER 125 | Montana | Good | 2000 | 27.7 m | 100 |
| SEP JENS I 94 002 | Montana | Fair | 1971 | 123.2 m | 100 |
| N FK BIG HOLE RIVER 063 | Montana | Fair | 1978 | 12.5 m | 100 |
| N FK BIGHOLE RIVER 064 | Montana | Poor | 1977 | 14.0 m | 100 |
| GOVERNOR CREEK 130 | Montana | Good | 2010 | 19.7 m | 100 |
| HORSE PRAIRE CREEK 010 | Montana | Fair | 1981 | 12.2 m | 100 |
| GRASSHOPPER CREEK 009 | Montana | Good | 2012 | 16.8 m | 100 |
| BIG HOLE RIVER 080 | Montana | Fair | 1999 | 26.3 m | 100 |
| BIG HOLE RIVER 078 | Montana | Fair | 1989 | 9.4 m | 100 |
| BIG LAKE CREEK 081 | Montana | Poor | 1958 | 8.5 m | 100 |
| BEAVERHEAD RIVER 005 | Montana | Good | 1992 | 31.4 m | 100 |
| STEEL CREEK 082 | Montana | Good | 2012 | 15.3 m | 100 |
| GRASSHOPPER CREEK 004 | Montana | Fair | 1986 | 7.8 m | 100 |
| BIG HOLE RIVER 090 | Montana | Fair | 1977 | 15.5 m | 100 |
| BIG HOLE RIVER 091 | Montana | Fair | 1976 | 18.9 m | 100 |
| BIG HOLE RIVER 089 | Montana | Poor | 1925 | 30.5 m | 100 |
| BIG HOLE RIVER 087 | Montana | Fair | 1986 | 15.8 m | 100 |
| BIG HOLE RIVER 088 | Montana | Fair | 1974 | 11.0 m | 100 |
| GOVERNOR CREEK 092 | Montana | Poor | 1951 | 12.8 m | 100 |
| BIG HOLE RIVER 093 | Montana | Fair | 2004 | 25.3 m | 100 |
| HORSE PRAIRIE CREEK 031 | Montana | Fair | 1920 | 16.5 m | 100 |
| HORSE PRAIRIE CREEK 011 | Montana | Good | 2007 | 18.5 m | 100 |
| BEAVERHEAD RIVER 125 | Montana | Fair | 1980 | 46.9 m | 100 |
| RED ROCK RIVER 053 | Montana | Poor | 1975 | 23.5 m | 100 |
| EAST BENCH CANAL 060 | Montana | Fair | 1962 | 18.3 m | 100 |
| BIG HOLE RIVER 073 | Montana | Fair | 2000 | 50.0 m | 100 |
| EAST BENCH CANAL 002 | Montana | Fair | 1962 | 13.4 m | 100 |
| EAST BENCH CANAL 003 | Montana | Fair | 1962 | 19.5 m | 100 |
| DILLON CANAL 129 | Montana | Good | 2010 | 6.7 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 |
| TEN MILE CREEK 126 | Montana | Good | 1988 | 14.2 m | 100 |
| PROSPECT CREEK 006 | Montana | Good | 1978 | 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.