Poor Condition Bridges in Montana
388 bridges rated Poor condition in Montana. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0-9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 388 such bridges in Montana.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| BOULDER CR | Montana | 1949 | 50 | 94.2 m | |
| BIG CREEK | Montana | 1961 | 50 | 12.5 m | |
| MILL CREEK | Montana | 1952 | 50 | 8.7 m | |
| WAPITI CREEK | Montana | 1954 | 50 | 8.7 m | |
| GOOD CREEK | Montana | 1972 | 50 | 7.5 m | |
| CLARENCE CR | Montana | 1977 | 50 | 7.5 m | |
| WEST FORK YAAK RIVER | Montana | 1987 | 50 | 17.4 m | |
| FLOWER CR | Montana | 1961 | 50 | 8.7 m | |
| BOBTAIL CR | Montana | 1973 | 50 | 7.3 m | |
| PIPE CREEK | Montana | 1962 | 50 | 13.9 m | |
| HOWARD CR | Montana | 1976 | 50 | 7.3 m | |
| LAKE CR | Montana | 1961 | 50 | 12.0 m | |
| WOLF CR | Montana | 1960 | 50 | 10.1 m | |
| WOLF CREEK | Montana | 1969 | 50 | 12.3 m | |
| FISHER RIVER | Montana | 1969 | 50 | 51.5 m | |
| CRIPPLE HORSE CR | Montana | 1963 | 50 | 8.7 m | |
| WOLF CR | Montana | 1969 | 50 | 25.2 m | |
| ROCK CR | Montana | 1954 | 50 | 14.2 m | |
| VERMILION RIVER | Montana | 1959 | 50 | 13.7 m | |
| JEFFERSON CREEK | Montana | 1957 | 50 | 7.5 m | |
| FOUR MILE CREEK | Montana | 1973 | 50 | 7.5 m | |
| FOUR MILE CREEK | Montana | 1973 | 50 | 7.5 m | |
| MOOSE CREEK | Montana | 1956 | 50 | 8.7 m | |
| ROCK CREEK | Montana | 1982 | 50 | 15.2 m | |
| ROCK CREEK | Montana | 1961 | 50 | 36.5 m | |
| S FK FISH CREEK | Montana | 1973 | 50 | 15.4 m | |
| S FK FISH CREEK | Montana | 1966 | 50 | 12.3 m | |
| S FK FISH CREEK | Montana | 1965 | 50 | 9.9 m | |
| W FK FISH CREEK | Montana | 1966 | 50 | 18.7 m | |
| PLACID CR | Montana | 1959 | 50 | 7.5 m | |
| CEDAR CR | Montana | 1959 | 50 | 9.3 m | |
| TWELVEMILE CREEK | Montana | 1955 | 50 | 8.6 m | |
| TWELVEMILE CREEK | Montana | 1955 | 50 | 7.5 m | |
| CEDAR CR | Montana | 1954 | 50 | 8.8 m | |
| BLACK COULEE 072 | Montana | 1950 | 49 | 16.8 m | |
| BELT CREEK | Montana | 1954 | 46 | 37.2 m | |
| BEAVER CREEK 049 | Montana | 1983 | 45 | 24.7 m | |
| Sun River | Montana | 1916 | 40 | 76.1 m | |
| BIRCH CR | Montana | 1954 | 40 | 7.5 m | |
| N F LOSTHORSE CR | Montana | 1953 | 40 | 7.3 m | |
| MCCLELLAN CREEK | Montana | 1959 | 40 | 7.3 m | |
| HENDERSON CREEK | Montana | 1955 | 40 | 13.1 m | |
| WHITEWATER CREEK | Montana | 1976 | 39 | 24.5 m | |
| VANDALIA SOUTH CANAL 003 | Montana | 2002 | 39 | 7.4 m | |
| BEAVER CREEK | Montana | 1960 | 38 | 30.5 m | |
| DODSON SOUTH CANAL 116 | Montana | 1938 | 33 | 20.7 m | |
| CABIN CREEK 057 | Montana | 1980 | 32 | 25.9 m | |
| TELEGRAPH CREEK | Montana | 1950 | 30 | 7.3 m | |
| WORK CREEK 041 | Montana | 1932 | 29 | 20.7 m | |
| MILK RIVER 012 | Montana | 1989 | 29 | 80.6 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0-9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0-2 are immediately closed.