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 |
|---|---|---|---|---|---|
| JEFFERSON RIVER | Montana | Fair | 1961 | 74.5 m | 242 |
| HORSE PRAIRIE CREEK | Montana | Fair | 1963 | 28.0 m | 241 |
| MEDICINE LODGE CREEK | Montana | Fair | 1963 | 22.3 m | 241 |
| MUSSELSHELL RIVER | Montana | Good | 2019 | 65.0 m | 241 |
| HOME CREEK | Montana | Good | 2019 | 37.3 m | 241 |
| MUGGINS CREEK | Montana | Fair | 1947 | 17.9 m | 241 |
| GYP CREEK | Montana | Fair | 1960 | 7.2 m | 238 |
| BLUFF CREEK | Montana | Fair | 1959 | 26.8 m | 238 |
| CORRAL CREEK | Montana | Good | 2020 | 36.1 m | 238 |
| COTTONWOOD CREEK | Montana | Fair | 1960 | 26.8 m | 238 |
| BUFFALO SPRING CREEK | Montana | Fair | 1960 | 26.8 m | 238 |
| WOLF CREEK 145 | Montana | Good | 2007 | 8.7 m | 237 |
| WOLF CREEK 146 | Montana | Good | 2007 | 8.5 m | 237 |
| WOLF CREEK 112 | Montana | Good | 2010 | 19.1 m | 237 |
| TRIBUTARY FLAT CREEK | Montana | Fair | 1949 | 8.2 m | 235 |
| CHIMNEY ROCK | Montana | Fair | 1949 | 17.4 m | 235 |
| FLAT CREEK | Montana | Fair | 1949 | 23.8 m | 235 |
| BEAVER CREEK 121 | Montana | Fair | 1975 | 8.2 m | 234 |
| YELLOW WATER CR-ELK CR | Montana | Poor | 1948 | 23.5 m | 233 |
| PIKE CREEK | Montana | Fair | 1939 | 11.6 m | 233 |
| DRAINAGE | Montana | Fair | 1935 | 11.8 m | 233 |
| FRESNO RES SPILLWAY 038 | Montana | Fair | 1937 | 65.3 m | 232 |
| TEN MILE CREEK 101 | Montana | Good | 2015 | 30.8 m | 231 |
| TEN MILE CREEK 105 | Montana | Fair | 1981 | 21.3 m | 231 |
| TEN MILE CREEK 104 | Montana | Good | 1981 | 18.3 m | 231 |
| TEN MILE CREEK 103 | Montana | Good | 2015 | 30.8 m | 231 |
| TEN MILE CREEK 102 | Montana | Good | 2015 | 30.5 m | 231 |
| DRAINAGE | Montana | Fair | 1970 | 28.2 m | 230 |
| W FORK POPLAR R OVRFLOW | Montana | Poor | 1932 | 23.5 m | 229 |
| MIDWAY COULEE | Montana | Fair | 1932 | 17.7 m | 229 |
| W FORK POPLAR RIVER | Montana | Fair | 2005 | 94.5 m | 229 |
| W FORK POPLAR R OVERFLOW | Montana | Fair | 2005 | 59.1 m | 229 |
| SPRAGUE COULEE | Montana | Poor | 1931 | 23.5 m | 229 |
| BOX ELDER CREEK | Montana | Good | 2019 | 33.3 m | 229 |
| MAIN CANAL | Montana | Fair | 1983 | 12.9 m | 225 |
| MAIN CANAL | Montana | Fair | 1983 | 14.4 m | 225 |
| EAST FORK POPLAR RIVER | Montana | Good | 1957 | 43.6 m | 225 |
| ASHLEY CREEK 096 | Montana | Fair | 1999 | 11.7 m | 224 |
| COTTONWOOD CREEK | Montana | Fair | 1948 | 24.1 m | 224 |
| WISE RIVER 106 | Montana | Good | 1971 | 39.6 m | 224 |
| WISE RIVER 105 | Montana | Good | 1971 | 23.2 m | 224 |
| WISE RIVER 021 | Montana | Good | 1971 | 23.8 m | 224 |
| WISE RIVER 020 | Montana | Fair | 1971 | 44.5 m | 224 |
| WISE RIVER 075 | Montana | Fair | 1971 | 31.7 m | 224 |
| WISE RIVER 076 | Montana | Fair | 1971 | 38.4 m | 224 |
| WISE RIVER 019 | Montana | Fair | 1987 | 13.1 m | 224 |
| WISE RIVER 018 | Montana | Fair | 1987 | 13.1 m | 224 |
| WISE RIVER 017 | Montana | Fair | 1987 | 26.2 m | 224 |
| W FORK ROCK CREEK 012 | Montana | Good | 1974 | 35.1 m | 223 |
| W FORK ROCK CREEK 006 | Montana | Good | 1991 | 18.9 m | 223 |
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.