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 |
|---|---|---|---|---|---|
| DUCK CREEK | Montana | Fair | 1992 | 29.7 m | 792 |
| SHEEP CREEK | Montana | Fair | 1982 | 14.1 m | 787 |
| RR | Montana | Fair | 1983 | 119.8 m | 787 |
| EAST FORK ARMELLS CREEK | Montana | Fair | 1983 | 33.6 m | 787 |
| CANYON CREEK | Montana | Fair | 1966 | 18.9 m | 785 |
| CANYON CREEK | Montana | Good | 1975 | 19.2 m | 785 |
| MISSOURI RIVER 062 | Montana | Good | 2006 | 149.5 m | 778 |
| GALPIN COULEE | Montana | Good | 1993 | 8.4 m | 767 |
| PRYOR CREEK 009 | Montana | Good | 2003 | 31.2 m | 765 |
| HAMILTON CREEK 133 | Montana | Fair | 1997 | 13.7 m | 765 |
| PRYOR CREEK 010 | Montana | Fair | 1979 | 28.3 m | 765 |
| PEOPLES CREEK | Montana | Fair | 1952 | 30.5 m | 763 |
| WHITE BEAR CREEK | Montana | Fair | 1959 | 22.9 m | 763 |
| THREE MILE COULEE | Montana | Fair | 1959 | 30.5 m | 763 |
| SANDSTONE CREEK | Montana | Fair | 1998 | 36.9 m | 753 |
| BITTERROOT RIVER 017 | Montana | Poor | 1984 | 18.3 m | 746 |
| BITTERROOT RIVER 019 | Montana | Fair | 1982 | 64.3 m | 746 |
| BITTERROOT RIVER 020 | Montana | Poor | 1984 | 27.4 m | 746 |
| BITTERROOT RIVER 021 | Montana | Fair | 2000 | 102.3 m | 746 |
| CEDAR CREEK | Montana | Good | 1955 | 33.5 m | 743 |
| RR | Montana | Fair | 1955 | 57.3 m | 743 |
| MIZPAH CREEK | Montana | Good | 2001 | 27.8 m | 742 |
| ROAD CREEK-STOCKPASS | Montana | Good | 2001 | 6.1 m | 742 |
| FORTINE CREEK 141 | Montana | Fair | 1969 | 9.1 m | 740 |
| SILVER BOW CREEK | Montana | Fair | 1980 | 32.8 m | 727 |
| NORTH FORK SUNDAY CREEK | Montana | Fair | 1963 | 37.4 m | 727 |
| INT GREGSON-I 90 | Montana | Fair | 1967 | 80.6 m | 727 |
| SECOND HAY CREEK | Montana | Fair | 1937 | 17.4 m | 726 |
| YELLOWSTONE RIVER | Montana | Fair | 1958 | 252.9 m | 722 |
| ROCK CREEK | Montana | Good | 1965 | 41.5 m | 721 |
| DEEP CREEK | Montana | Fair | 2014 | 16.8 m | 720 |
| DEEP CREEK | Montana | Good | 2015 | 22.3 m | 720 |
| DEEP CREEK | Montana | Fair | 2014 | 16.8 m | 720 |
| DEEP CREEK | Montana | Good | 2015 | 22.3 m | 720 |
| DEEP CREEK | Montana | Fair | 2015 | 21.9 m | 720 |
| DEEP CREEK | Montana | Fair | 2014 | 16.8 m | 720 |
| DIVIDE CREEK | Montana | Fair | 1956 | 11.6 m | 719 |
| BEAVER CREEK | Montana | Good | 2022 | 54.3 m | 714 |
| WILLOW CREEK | Montana | Fair | 1999 | 6.6 m | 712 |
| LITTLE PRICKLY PEAR 059 | Montana | Good | 1966 | 27.4 m | 711 |
| AMERICAN FORK | Montana | Fair | 1942 | 12.2 m | 706 |
| BELT CREEK | Montana | Good | 1968 | 50.0 m | 706 |
| BELT CREEK | Montana | Good | 1968 | 55.5 m | 706 |
| DRAINAGE | Montana | Fair | 1942 | 11.6 m | 706 |
| S FORK AMERICAN FORK | Montana | Poor | 1941 | 8.8 m | 706 |
| LEBO CREEK | Montana | Good | 2014 | 22.0 m | 706 |
| IRRIGATION CANAL | Montana | Fair | 1988 | 8.3 m | 706 |
| PIPE CREEK | Montana | Poor | 1987 | 21.9 m | 702 |
| BIRCH CREEK | Montana | Fair | 1966 | 61.1 m | 700 |
| BENNIE PEER CREEK | Montana | Good | 1986 | 27.9 m | 700 |
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.