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 |
|---|---|---|---|---|---|
| SARPY CREEK 003 | Montana | 1925 | 28 | 31.1 m | |
| SUNDAY CREEK | Montana | 1998 | 25 | 8.1 m | |
| N F MEADOW CR | Montana | 1953 | 25 | 7.5 m | |
| BUFFALO COULEE 108 | Montana | 1950 | 23 | 9.8 m | |
| IRRIGATION CANAL 042 | Montana | 1920 | 21 | 12.0 m | |
| CRACKERBOX CREEK 043 | Montana | 1997 | 21 | 22.9 m | |
| SOUTH FORK VALLEY CREEK | Montana | 1995 | 20 | 8.4 m | |
| E FK FISHTRAP | Montana | 1973 | 20 | 7.5 m | |
| RUBY CR | Montana | 1968 | 20 | 7.3 m | |
| RUBY CR | Montana | 1952 | 20 | 7.3 m | |
| GOOD CREEK | Montana | 1962 | 20 | 10.0 m | |
| TEN MILE CREEK | Montana | 1957 | 20 | 7.3 m | |
| LITTLE BLACKFOOT R 027 | Montana | 1914 | 19 | 18.6 m | |
| IRRIGATION DITCH 005 | Montana | 1979 | 17 | 8.8 m | |
| ROSS FORK CREEK 018 | Montana | 1925 | 16 | 21.6 m | |
| DRAINAGE | Montana | 1973 | 16 | 7.3 m | |
| TIE CREEK | Montana | 1964 | 15 | 7.3 m | |
| BIG SWAMP CR | Montana | 1968 | 15 | 7.5 m | |
| BIG SWAMP CR | Montana | 1968 | 15 | 7.5 m | |
| BEAVERHEAD RIVER 023 | Montana | 1908 | 14 | 29.3 m | |
| UPPER LODGE GRASS CREEK | Montana | 1994 | 12 | 7.0 m | |
| Anita Dam Spillway | Montana | 1937 | 10 | 13.0 m | |
| GRAVES CREEK | Montana | 1970 | 10 | 12.2 m | |
| WHALE CREEK | Montana | 1954 | 10 | 18.6 m | |
| SPAR CR | Montana | 1955 | 10 | 12.2 m | |
| E FK BITTERROOT RI | Montana | 1969 | 9 | 14.2 m | |
| SHEEP CREEK 002 | Montana | 1986 | 9 | 8.7 m | |
| WISE RIVER | Montana | 1992 | 6 | 8.0 m | |
| CF WMA - Eastside Canal | Montana | 1974 | 5 | 12.0 m | |
| BLACK CANYON CREEK | Montana | 1965 | 5 | 6.4 m | |
| DALY CR | Montana | 1958 | 5 | 7.3 m | |
| LOSTHORSE CR | Montana | 1958 | 5 | 10.1 m | |
| DODSON NORTH CANAL 013 | Montana | 1986 | 5 | 7.9 m | |
| RED ROCK RIVER 121 | Montana | 1913 | 4 | 22.9 m | |
| DRAG CREEK | Montana | 1963 | 2 | 7.3 m | |
| CARROLL COULEE | Montana | 1963 | 1 | 12.2 m | |
| BOULDER RIVER | Montana | 1947 | 1 | 8.0 m | |
| DUVAL COULEE | Montana | 2006 | - | 9.8 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.