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 |
|---|---|---|---|---|---|
| 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 |
| 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 |
| FOUR MILE CREEK 022 | Montana | Fair | 1993 | 18.3 m | 100 |
| NORTH FK FOURMILE CR 061 | Montana | Fair | 1991 | 15.2 m | 100 |
| USBR MAIN CANAL 053 | Montana | Good | 2015 | 20.5 m | 100 |
| N FK FIRST HAY CREEK 068 | Montana | Fair | 1985 | 15.8 m | 100 |
| FIRST HAY CREEK 098 | Montana | Fair | 2009 | 21.9 m | 100 |
| USBR MAIN CANAL 064 | Montana | Fair | 1985 | 12.2 m | 100 |
| FOUR MILE CREEK 062 | Montana | Fair | 1983 | 15.2 m | 100 |
| SECOND HAY CREEK 023 | Montana | Fair | 1980 | 7.7 m | 100 |
| FOUR MILE CREEK 060 | Montana | Fair | 1983 | 9.1 m | 100 |
| USBR MAIN CANAL 080 | Montana | Good | 1998 | 16.8 m | 100 |
| USBR MAIN CANAL 072 | Montana | Fair | 2000 | 13.7 m | 100 |
| USBR MAIN CANAL 089 | Montana | Good | 1997 | 17.5 m | 100 |
| USBR MAIN CANAL 066 | Montana | Fair | 2009 | 18.3 m | 100 |
| BENNIE PEER CREEK 021 | Montana | Fair | 1997 | 29.8 m | 100 |
| BEEF SLOUGH 095 | Montana | Good | 1991 | 7.3 m | 100 |
| USBR MAIN CANAL 052 | Montana | Fair | 1999 | 21.3 m | 100 |
| USBR CANAL SPILLWAY 100 | Montana | Fair | 2002 | 14.0 m | 100 |
| USBR MAIN CANAL 078 | Montana | Fair | 1992 | 18.3 m | 100 |
| USBR MAIN CANAL 077 | Montana | Fair | 2008 | 31.5 m | 100 |
| USBR MAIN CANAL 001 | Montana | Fair | 1907 | 24.4 m | 100 |
| SHADWELL CREEK 019 | Montana | Fair | 1938 | 18.3 m | 100 |
| USBR MAIN CANAL 006 | Montana | Good | 1994 | 20.7 m | 100 |
| USBR MAIN CANAL 008 | Montana | Fair | 1997 | 18.9 m | 100 |
| USBR MAIN CANAL 005 | Montana | Good | 2006 | 20.1 m | 100 |
| USBR MAIN CANAL 011 | Montana | Fair | 1982 | 21.0 m | 100 |
| USBR MAIN CANAL 003 | Montana | Good | 2000 | 18.3 m | 100 |
| DUNLAP CREEK 059 | Montana | Fair | 1951 | 9.3 m | 100 |
| USBR MAIN CANAL 092 | Montana | Fair | 1908 | 17.1 m | 100 |
| LOST CREEK 050 | Montana | Good | 1991 | 9.1 m | 100 |
| CRANE CREEK 007 | Montana | Fair | 2000 | 7.5 m | 100 |
| NORTH FK FOX CREEK 090 | Montana | Fair | 1978 | 8.8 m | 100 |
| SMITH CREEK 096 | Montana | Fair | 1994 | 18.3 m | 100 |
| COTTONWOOD CREEK 018 | Montana | Good | 1995 | 8.8 m | 100 |
| SMOKE CREEK 016 | Montana | Fair | 1955 | 28.7 m | 100 |
| POPLAR RIVER 039 | Montana | Fair | 1964 | 75.2 m | 100 |
| SMOKE CREEK 025 | Montana | Fair | 2004 | 23.5 m | 100 |
| SHEEP CREEK 061 | Montana | Good | 1999 | 13.7 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.