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 |
|---|---|---|---|---|---|
| PONDERA COULEE 079 | Montana | Fair | 2004 | 19.4 m | 100 |
| PUMPKIN CREEK 021 | Montana | Fair | 1915 | 11.0 m | 100 |
| CANYON CREEK DITCH 056 | Montana | Fair | 1972 | 8.5 m | 100 |
| COVE DITCH 016 | Montana | Fair | 1991 | 9.8 m | 100 |
| MIZPAH CREEK 019 | Montana | Good | 2014 | 11.0 m | 100 |
| MIZPAH CREEK 020 | Montana | Good | 2013 | 12.3 m | 100 |
| TIMBER CREEK 017 | Montana | Good | 1996 | 40.0 m | 100 |
| LITTLE BLACKFOOT R 021 | Montana | Fair | 1976 | 7.3 m | 100 |
| ROCK CREEK 079 | Montana | Good | 2009 | 15.2 m | 100 |
| TELEGRAPH CREEK 061 | Montana | Fair | 1950 | 7.3 m | 100 |
| USBR MAIN CANAL 006 | Montana | Good | 1994 | 20.7 m | 100 |
| ROCK CREEK 078 | Montana | Good | 2007 | 11.1 m | 100 |
| CLARK FORK RIVER 030 | Montana | Fair | 2003 | 61.0 m | 100 |
| RR 028 | Montana | Fair | 2000 | 39.0 m | 100 |
| RACETRACK CREEK 036 | Montana | Good | 2006 | 15.8 m | 100 |
| ROCK CREEK 047 | Montana | Good | 2006 | 18.8 m | 100 |
| LITTLE BLACKFOOT R 018 | Montana | Fair | 1908 | 38.7 m | 100 |
| CLARK FORK RIVER 048 | Montana | Fair | 2006 | 47.0 m | 100 |
| INT RACETRACK-I 90 001 | Montana | Fair | 1978 | 85.3 m | 100 |
| CROOKED CREEK 088 | Montana | Good | 2014 | 19.5 m | 100 |
| BBWA CANAL 087 | Montana | Fair | 1967 | 7.3 m | 100 |
| BLACKFOOT RIVER 004 | Montana | Fair | 1994 | 64.0 m | 100 |
| BLACKFOOT RIVER 077 | Montana | Fair | 1997 | 50.0 m | 100 |
| BIG BLACKFOOT RIVER 002 | Montana | Fair | 1955 | 27.9 m | 100 |
| N FORK BLACKFOOT R 007 | Montana | Fair | 1968 | 29.5 m | 100 |
| COTTONWOOD CREEK 054 | Montana | Good | 1978 | 7.3 m | 100 |
| SEP JENS I 94 002 | Montana | Fair | 1971 | 123.2 m | 100 |
| COAL CREEK 005 | Montana | Fair | 1987 | 9.0 m | 100 |
| CABIN CREEK 008 | Montana | Good | 2012 | 29.7 m | 100 |
| YELLOWSTONE RIVER 015 | Montana | Fair | 1945 | 348.9 m | 100 |
| SEP I 94 003 | Montana | Fair | 1977 | 93.1 m | 100 |
| BR MAIN CANAL 038 | Montana | Fair | 1936 | 12.2 m | 100 |
| CABIN CREEK 011 | Montana | Fair | 1933 | 18.9 m | 100 |
| SEP I 94 001 | Montana | Fair | 1969 | 102.6 m | 100 |
| BIG CREEK 016 | Montana | Fair | 1973 | 9.4 m | 100 |
| SWEATHOUSE CREEK 062 | Montana | Fair | 1993 | 10.7 m | 100 |
| MILL CREEK 106 | Montana | Fair | 1973 | 12.8 m | 100 |
| FRED BURR CREEK 039 | Montana | Good | 1972 | 9.3 m | 100 |
| SOUTH BEAR CREEK 111 | Montana | Good | 2009 | 7.6 m | 100 |
| BITTERROOT CANAL 093 | Montana | Fair | 1986 | 9.0 m | 100 |
| KOOTENAI CREEK 048 | Montana | Good | 2008 | 24.4 m | 100 |
| MILL CREEK 014 | Montana | Fair | 1972 | 9.3 m | 100 |
| BEAR CREEK 015 | Montana | Poor | 1936 | 9.4 m | 100 |
| SWEATHOUSE CREEK 099 | Montana | Good | 1973 | 8.2 m | 100 |
| SWEATHOUSE CREEK 002 | Montana | Good | 2009 | 14.5 m | 100 |
| MILL CREEK 072 | Montana | Fair | 1985 | 7.3 m | 100 |
| BLODGETT CREEK 013 | Montana | Fair | 1987 | 9.0 m | 100 |
| MILL CREEK 103 | Montana | Fair | 1973 | 8.5 m | 100 |
| BITTERROOT CANAL 089 | Montana | Poor | 1984 | 12.2 m | 100 |
| NORTH BURNT FORK CR 022 | Montana | Fair | 1970 | 7.3 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.