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 |
|---|---|---|---|---|---|
| BEAVER CREEK 092 | Montana | Poor | 1968 | 34.7 m | 100 |
| TELEGRAPH CREEK 040 | Montana | Poor | 1940 | 11.2 m | 100 |
| DODSON SOUTH CANAL 034 | Montana | Fair | 1981 | 17.7 m | 100 |
| BEAVER CREEK 132 | Montana | Poor | 1915 | 33.9 m | 100 |
| DODSON SOUTH CANAL 117 | Montana | Fair | 1992 | 11.9 m | 100 |
| DODSON SOUTH CANAL 131 | Montana | Poor | 1986 | 11.6 m | 100 |
| SECOND CREEK 047 | Montana | Fair | 1983 | 10.0 m | 100 |
| CANAL 033 | Montana | Good | 2009 | 24.0 m | 100 |
| BULLHEAD CREEK 021 | Montana | Good | 1960 | 28.7 m | 100 |
| NO NAME DITCH 049 | Montana | Fair | 1960 | 7.6 m | 100 |
| NO NAME COULEE 072 | Montana | Fair | 1960 | 7.6 m | 100 |
| CEDAR CREEK 010 | Montana | Fair | 1987 | 10.5 m | 100 |
| LAKE FRANCIS CANAL 071 | Montana | Good | 1960 | 14.6 m | 100 |
| BIRCH CREEK 001 | Montana | Fair | 1976 | 12.8 m | 100 |
| NO NAME COULEE 078 | Montana | Fair | 1960 | 21.6 m | 100 |
| C CANAL 025 | Montana | Fair | 1960 | 7.6 m | 100 |
| DRAINAGE 062 | Montana | Fair | 1986 | 7.0 m | 100 |
| BIRCH CREEK 022 | Montana | Fair | 1950 | 28.0 m | 100 |
| PONDERA COULEE 007 | Montana | Fair | 1970 | 28.0 m | 100 |
| PONDERA COULEE 018 | Montana | Fair | 1979 | 14.6 m | 100 |
| PONDERA COULEE 019 | Montana | Good | 1960 | 14.3 m | 100 |
| INT BULLHEAD RD-I 15 008 | Montana | Fair | 1976 | 87.8 m | 100 |
| S PONDERA COULEE 006 | Montana | Good | 1973 | 8.2 m | 100 |
| PONDERA COULEE 011 | Montana | Good | 1960 | 24.1 m | 100 |
| S PONDERA COULEE 014 | Montana | Fair | 1982 | 7.6 m | 100 |
| PONDERA COULEE 015 | Montana | Good | 1960 | 12.5 m | 100 |
| PONDERA COULEE 005 | Montana | Good | 1986 | 18.3 m | 100 |
| SEP GUS BLASE ROAD 011 | Montana | Good | 1980 | 70.7 m | 100 |
| DUPUYER CREEK 067 | Montana | Fair | 1938 | 9.4 m | 100 |
| DRY FK MARIAS RIVER 069 | Montana | Good | 1987 | 23.2 m | 100 |
| NO NAME 070 | Montana | Fair | 1960 | 7.6 m | 100 |
| DRAINAGE 032 | Montana | Fair | 1986 | 7.3 m | 100 |
| PONDERA COULEE 047 | Montana | Fair | 1950 | 7.6 m | 100 |
| NO NAME COULEE 027 | Montana | Good | 2005 | 7.8 m | 100 |
| SEP I 15 009 | Montana | Good | 1964 | 84.7 m | 100 |
| PONDERA COULEE 079 | Montana | Fair | 2004 | 19.4 m | 100 |
| PUMPKIN CREEK 021 | Montana | Fair | 1915 | 11.0 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 |
| 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 |
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.