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 |
|---|---|---|---|---|---|
| COW GULCH 186 | Montana | Fair | 1997 | 12.8 m | 100 |
| HIBBARD CREEK 187 | Montana | Fair | 1997 | 12.7 m | 100 |
| BUFFALO CREEK 129 | Montana | Fair | 1966 | 12.4 m | 100 |
| DEADMAN CREEK 128 | Montana | Fair | 1997 | 12.7 m | 100 |
| BUFFALO CREEK 132 | Montana | Fair | 2012 | 19.6 m | 100 |
| SEP I 90 010 | Montana | Fair | 1967 | 71.5 m | 100 |
| BLACKTAIL DEER CREEK 130 | Montana | Good | 2010 | 14.0 m | 100 |
| RUSSELL CREEK 001 | Montana | Fair | 1938 | 6.9 m | 100 |
| CAINS COULEE 095 | Montana | Fair | 1965 | 9.0 m | 100 |
| WARM SPRINGS CREEK 007 | Montana | Fair | 1997 | 18.7 m | 100 |
| WARM SPRINGS CREEK 011 | Montana | Fair | 1960 | 9.8 m | 100 |
| WARM SPRINGS CREEK 005 | Montana | Fair | 2001 | 19.7 m | 100 |
| MILL DITCH 041 | Montana | Fair | 1973 | 10.7 m | 100 |
| BIG SPRING CREEK 058 | Montana | Fair | 1962 | 7.6 m | 100 |
| BIG SPRING CREEK 059 | Montana | Fair | 1930 | 7.9 m | 100 |
| BIG SPRING CREEK 060 | Montana | Fair | 1930 | 7.9 m | 100 |
| BIG SPRING CREEK 061 | Montana | Poor | 1940 | 8.5 m | 100 |
| BIG SPRING CREEK 062 | Montana | Poor | 1940 | 9.8 m | 100 |
| LITTLE CASINO CREEK 138 | Montana | Poor | 2006 | 8.4 m | 100 |
| SPRING CREEK 150 | Montana | Fair | 1991 | 17.7 m | 100 |
| WHITEFISH RIVER 169 | Montana | Fair | 1992 | 28.7 m | 100 |
| BOZEMAN CREEK 115 | Montana | Fair | 1982 | 7.8 m | 100 |
| WHITETAIL CREEK 024 | Montana | Fair | 1986 | 10.1 m | 100 |
| WHITETAIL CREEK 023 | Montana | Fair | 1984 | 11.2 m | 100 |
| REEDERS ALLEY 001 | Montana | Fair | 1881 | 28.4 m | 100 |
| HELENA VALLEY CANAL 085 | Montana | Good | 1958 | 12.2 m | 100 |
| DRAINAGE 002 | Montana | Fair | 1975 | 27.7 m | 100 |
| TEN MILE CREEK 126 | Montana | Good | 1988 | 14.2 m | 100 |
| FLOWER CREEK 003 | Montana | Good | 1991 | 9.1 m | 100 |
| GRANT CREEK 001 | Montana | Good | 1981 | 12.8 m | 100 |
| GRANT CREEK 005 | Montana | Fair | 1981 | 15.8 m | 100 |
| GRANT CREEK 117 | Montana | Fair | 1997 | 13.7 m | 100 |
| FLESHMAN CREEK 071 | Montana | Good | 1939 | 18.8 m | 100 |
| DODSON SOUTH CANAL 096 | Montana | Fair | 1950 | 16.5 m | 100 |
| COTTONWOOD CREEK 049 | Montana | Good | 2015 | 13.1 m | 100 |
| COTTONWOOD CREEK 065 | Montana | Fair | 2003 | 6.4 m | 100 |
| COTTONWOOD CREEK 081 | Montana | Good | 2007 | 11.0 m | 100 |
| COTTONWOOD CREEK 080 | Montana | Good | 2007 | 11.0 m | 100 |
| WALKING PATH 004 | Montana | Fair | 1962 | 15.8 m | 100 |
| BEAVER CREEK 009 | Montana | Fair | 1986 | 42.4 m | 100 |
| BBWA CANAL 047 | Montana | Good | 2007 | 13.5 m | 100 |
| BBWA CANAL 039 | Montana | Fair | 2004 | 14.9 m | 100 |
| CITY COUNTY DRAIN 049 | Montana | Fair | 1995 | 7.3 m | 100 |
| HOGAN`S SLOUGH 184 | Montana | Fair | 1994 | 10.4 m | 100 |
| BBWA CANAL 196 | Montana | Good | 2004 | 22.8 m | 100 |
| ALKALI CREEK 209 | Montana | Fair | 1975 | 64.5 m | 100 |
| CITY COUNTY DRAIN 200 | Montana | Fair | 1995 | 7.3 m | 100 |
| BIG DITCH 110 | Montana | Fair | 1982 | 9.8 m | 100 |
| BBWA CANAL 063 | Montana | Good | 2014 | 19.9 m | 100 |
| BIG DITCH 198 | Montana | Good | 2006 | 10.4 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.