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 |
|---|---|---|---|---|---|
| CLARK FORK RIVER 034 | Montana | Fair | 1970 | 51.8 m | 272 |
| TOBACCO RIVER 134 | Montana | Good | 1993 | 25.9 m | 271 |
| MARIAS RIVER | Montana | Fair | 1966 | 106.0 m | 270 |
| JEFFERSON RIVER 017 | Montana | Fair | 1973 | 88.6 m | 269 |
| JEFFERSON RIV OVRFLW 016 | Montana | Fair | 1977 | 18.3 m | 269 |
| SPRING CREEK | Montana | Good | 1968 | 28.7 m | 267 |
| LITTLE MUDDY CREEK | Montana | Good | 2020 | 37.7 m | 267 |
| LITTLE MUDDY CREEK | Montana | Fair | 2020 | 43.2 m | 267 |
| DRAINAGE | Montana | Good | 2020 | 6.9 m | 267 |
| DRY CREEK 119 | Montana | Fair | 2009 | 9.3 m | 265 |
| JUDITH RIVER | Montana | Good | 2020 | 63.1 m | 265 |
| DRY WOLF CREEK | Montana | Fair | 1949 | 17.4 m | 265 |
| YELLOWSTONE RIVER | Montana | Fair | 1964 | 172.8 m | 265 |
| WHITEBIRD CREEK 049 | Montana | Fair | 1998 | 8.5 m | 263 |
| INT W WIBAUX-I 94 | Montana | Fair | 1962 | 73.3 m | 263 |
| SIX MILE CREEK | Montana | Good | 2006 | 25.0 m | 262 |
| EMIGRANT CREEK | Montana | Fair | 2006 | 20.3 m | 262 |
| LONE TREE CREEK 033 | Montana | Fair | 1993 | 18.3 m | 261 |
| VERMILLION RIVER | Montana | Fair | 1972 | 44.2 m | 261 |
| SAGE CREEK | Montana | Fair | 1968 | 31.4 m | 260 |
| ELK CREEK 119 | Montana | Fair | 1935 | 24.4 m | 260 |
| SPRING CREEK COULEE 124 | Montana | Fair | 1982 | 6.1 m | 260 |
| DRY CREEK 122 | Montana | Fair | 1935 | 23.8 m | 260 |
| INT BRADY-I 15 | Montana | Good | 1964 | 92.3 m | 260 |
| CYCLONE CREEK | Montana | Good | 1994 | 14.7 m | 260 |
| RED TOP CREEK | Montana | Good | 1994 | 16.7 m | 260 |
| CLARKS FK YELLOWSTNE 055 | Montana | Fair | 1980 | 87.8 m | 260 |
| HELLROARING CREEK | Montana | Good | 1994 | 26.0 m | 260 |
| MEADOW CREEK | Montana | Good | 1994 | 27.4 m | 260 |
| YELLOWSTONE RIVER | Montana | Fair | 1970 | 208.2 m | 257 |
| RR | Montana | Fair | 1970 | 62.5 m | 257 |
| MILL CREEK 004 | Montana | Good | 2015 | 15.7 m | 257 |
| MILK RIVER | Montana | Poor | 1967 | 66.1 m | 256 |
| RED ROCK CREEK | Montana | Fair | 1967 | 26.2 m | 256 |
| RUBY RIVER 021 | Montana | Fair | 1975 | 12.8 m | 252 |
| PEOPLES CREEK | Montana | Good | 2000 | 14.0 m | 250 |
| BOX ELDER CREEK | Montana | Good | 1997 | 7.9 m | 250 |
| BIRNEY CREEK | Montana | Good | 2007 | 6.6 m | 250 |
| EMERY CREEK | Montana | Fair | 1965 | 11.0 m | 250 |
| YELLOWSTONE RIVER 043 | Montana | Fair | 1960 | 110.9 m | 247 |
| MILL CREEK 044 | Montana | Fair | 1972 | 29.9 m | 247 |
| MUSSELSHELL RIVER | Montana | Fair | 1949 | 45.7 m | 247 |
| DRY CREEK | Montana | Fair | 1970 | 11.4 m | 246 |
| LEE CREEK | Montana | Fair | 1935 | 63.9 m | 246 |
| COTTONWOOD CREEK 083 | Montana | Good | 2007 | 11.0 m | 245 |
| MCDONALD CREEK | Montana | Fair | 1941 | 38.0 m | 245 |
| WOLF CREEK | Montana | Fair | 1934 | 17.9 m | 244 |
| SUN RIVER 055 | Montana | Good | 2001 | 86.0 m | 244 |
| TWO MEDICINE RIVER | Montana | Poor | 1968 | 96.9 m | 243 |
| CLARK FORK RIVER 032 | Montana | Fair | 1982 | 61.0 m | 242 |
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.