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 |
|---|---|---|---|---|---|
| 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 |
| BBWA CANAL 039 | Montana | Fair | 2004 | 14.9 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 |
| BLUE CR-GOLF PATH 121 | Montana | Good | 1979 | 25.0 m | 100 |
| CANYON CREEK 030 | Montana | Fair | 2001 | 33.5 m | 100 |
| CANYON CREEK 185 | Montana | Good | 1996 | 8.8 m | 100 |
| CANYON CREEK 042 | Montana | Fair | 1965 | 7.3 m | 100 |
| BIG DITCH 066 | Montana | Fair | 1985 | 15.5 m | 100 |
| COVE DITCH 067 | Montana | Fair | 1986 | 7.6 m | 100 |
| BIG DITCH 065 | Montana | Good | 1994 | 16.2 m | 100 |
| BBWA CANAL 027 | Montana | Fair | 2001 | 25.0 m | 100 |
| BBWA CANAL 028 | Montana | Good | 2002 | 10.1 m | 100 |
| COVE DITCH 015 | Montana | Fair | 1991 | 8.2 m | 100 |
| COVE DITCH 016 | Montana | Fair | 1991 | 9.8 m | 100 |
| CANYON CREEK DITCH 056 | Montana | Fair | 1972 | 8.5 m | 100 |
| CANYON CREEK DITCH 190 | Montana | Fair | 1965 | 7.3 m | 100 |
| CANYON CREEK DITCH 192 | Montana | Fair | 1985 | 7.3 m | 100 |
| SEP I 90 013 | Montana | Fair | 1964 | 75.3 m | 100 |
| BBWA CANAL 087 | Montana | Fair | 1967 | 7.3 m | 100 |
| CROOKED CREEK 088 | Montana | Good | 2014 | 19.5 m | 100 |
| BBWA CANAL 077 | Montana | Good | 1998 | 12.7 m | 100 |
| TWELVE MILE CREEK 091 | Montana | Good | 2005 | 19.9 m | 100 |
| TWELVE MILE CREEK 093 | Montana | Good | 1989 | 18.9 m | 100 |
| BBWA CANAL 095 | Montana | Good | 2000 | 15.5 m | 100 |
| TWELVE MILE CREEK 041 | Montana | Fair | 1999 | 20.3 m | 100 |
| BBWA CANAL 086 | Montana | Fair | 1984 | 17.4 m | 100 |
| RAZOR CREEK 092 | Montana | Good | 2005 | 19.6 m | 100 |
| 12 MILE CREEK 197 | Montana | Good | 2005 | 13.4 m | 100 |
| CROOKED CREEK 089 | Montana | Good | 2010 | 19.5 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.