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 |
|---|---|---|---|---|---|
| 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 |
| 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 |
| SMOKE CREEK 024 | Montana | Good | 2016 | 21.3 m | 100 |
| SMOKE CREEK 017 | Montana | Fair | 1957 | 33.5 m | 100 |
| BIG MUDDY CREEK 038 | Montana | Fair | 1950 | 15.7 m | 100 |
| EAST FORK SHOTGUN 056 | Montana | Fair | 1988 | 8.1 m | 100 |
| W FK FROZE TO DEATH 006 | Montana | Fair | 1979 | 19.3 m | 100 |
| WILLOW CREEK 009 | Montana | Fair | 1987 | 9.4 m | 100 |
| W BLACKTAIL CREEK 007 | Montana | Poor | 1940 | 9.9 m | 100 |
| BIG PORCUPINE CR 005 | Montana | Good | 2007 | 14.9 m | 100 |
| YELLOWSTONE RIVER 038 | Montana | Fair | 1991 | 107.6 m | 100 |
| RATTLESNAKE CREEK 002 | Montana | Poor | 1950 | 40.7 m | 100 |
| MCGINNIS CREEK 004 | Montana | Fair | 1986 | 11.6 m | 100 |
| MUSSELSHELL RIVER 001 | Montana | Fair | 1930 | 42.8 m | 100 |
| BIG PORCUPINE CR 010 | Montana | Fair | 1992 | 26.8 m | 100 |
| SEP I 94 SCHIFFER RD 013 | Montana | Fair | 1977 | 92.9 m | 100 |
| SEP I 94 009 | Montana | Fair | 1970 | 92.8 m | 100 |
| INT HATHWAY I 94 012 | Montana | Fair | 1977 | 74.9 m | 100 |
| LITTLE PORCUPINE CR 027 | Montana | Fair | 1970 | 22.6 m | 100 |
| FLY CREEK 139 | Montana | Fair | 1960 | 12.2 m | 100 |
| CARTERSVILLE CANAL 030 | Montana | Fair | 1935 | 10.1 m | 100 |
| SAND CREEK 031 | Montana | Fair | 1925 | 12.5 m | 100 |
| SAND CREEK 029 | Montana | Fair | 1987 | 11.9 m | 100 |
| ARMELLS CREEK 038 | Montana | Fair | 1981 | 15.8 m | 100 |
| HANGING WOMAN CREEK 075 | Montana | Fair | 1981 | 13.0 m | 100 |
| BEAVER CREEK 022 | Montana | Fair | 1982 | 11.3 m | 100 |
| SWAMP CREEK 030 | Montana | Good | 1986 | 11.6 m | 100 |
| W FORK ELK CREEK 052 | Montana | Fair | 1965 | 11.2 m | 100 |
| ELK CREEK 050 | Montana | Good | 2001 | 13.0 m | 100 |
| ELK CREEK 051 | Montana | Fair | 1988 | 8.2 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.