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 |
|---|---|---|---|---|---|
| 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 |
| SUPPLY DITCH 092 | Montana | Fair | 1987 | 9.1 m | 100 |
| SKALKAHO CREEK 042 | Montana | Good | 2009 | 19.4 m | 100 |
| SWEENEY CREEK 055 | Montana | Fair | 1972 | 8.2 m | 100 |
| IRRIGATION CANAL 054 | Montana | Fair | 1972 | 7.3 m | 100 |
| IRRIGATION CANAL 018 | Montana | Good | 1970 | 7.6 m | 100 |
| BITTERROOT CANAL 059 | Montana | Fair | 1977 | 11.9 m | 100 |
| BITTERROOT CANAL 061 | Montana | Fair | 1964 | 11.3 m | 100 |
| BITTERROOT CANAL 057 | Montana | Good | 1992 | 17.4 m | 100 |
| BITTERROOT CANAL 045 | Montana | Fair | 1986 | 15.8 m | 100 |
| BITTERROOT CANAL 046 | Montana | Fair | 1988 | 17.7 m | 100 |
| SKALKAHO CREEK 041 | Montana | Fair | 1972 | 9.8 m | 100 |
| BITTERROOT CANAL 044 | Montana | Fair | 1984 | 11.6 m | 100 |
| SKALKAHO CREEK 043 | Montana | Fair | 1979 | 9.1 m | 100 |
| SLEEPING CHILD CREEK 038 | Montana | Fair | 1972 | 9.8 m | 100 |
| RYE CREEK 064 | Montana | Fair | 1975 | 12.5 m | 100 |
| E FORK BITTERROOT R 050 | Montana | Fair | 1962 | 60.3 m | 100 |
| W FORK BITTERROOT R 049 | Montana | Fair | 1962 | 52.7 m | 100 |
| ROCK CREEK 052 | Montana | Fair | 1918 | 18.6 m | 100 |
| ROCK CREEK 100 | Montana | Good | 1977 | 24.1 m | 100 |
| E HARDSCRABBLE CREEK 040 | Montana | Good | 2007 | 16.2 m | 100 |
| HARDSCRABBLE CREEK 041 | Montana | Poor | 1945 | 17.7 m | 100 |
| CHARLIE CREEK 043 | Montana | Fair | 1983 | 15.2 m | 100 |
| INT BRONKEN RD I 15 003 | Montana | Good | 1964 | 75.0 m | 100 |
| WEST CHARLIE CREEK 085 | Montana | Good | 1993 | 25.8 m | 100 |
| CHARLIE CREEK 039 | Montana | Fair | 2004 | 18.8 m | 100 |
| CHARLEY CREEK 015 | Montana | Good | 1998 | 23.1 m | 100 |
| WEST CHARLIE CREEK 045 | Montana | Fair | 1994 | 21.6 m | 100 |
| HARDSCRABBLE CREEK 075 | Montana | Fair | 1997 | 12.2 m | 100 |
| HARDSCRABBLE CREEK 076 | Montana | Fair | 2009 | 24.9 m | 100 |
| BRORSON CREEK 012 | Montana | Fair | 1997 | 10.2 m | 100 |
| DRAINAGE 032 | Montana | Good | 1992 | 11.0 m | 100 |
| DRAINAGE 031 | Montana | Fair | 1994 | 11.0 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.