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 |
|---|---|---|---|---|---|
| CATARACT CREEK 030 | Montana | 1933 | 100 | 24.3 m | |
| BASIN CREEK 041 | Montana | 1985 | 100 | 19.2 m | |
| BISON CREEK 016 | Montana | 1927 | 100 | 9.8 m | |
| LITTLE SNAKE CREEK 048 | Montana | 1965 | 100 | 7.9 m | |
| LITTLE BITTERROOT RV 064 | Montana | 1960 | 100 | 7.3 m | |
| PABLO A CANAL 083 | Montana | 1960 | 100 | 11.9 m | |
| PABLO FEEDER CANAL 086 | Montana | 1985 | 100 | 9.7 m | |
| JOCKO RIVER 011 | Montana | 1975 | 100 | 13.4 m | |
| PABLO FEEDER CANAL 104 | Montana | 1977 | 100 | 9.4 m | |
| PABLO FEEDER CANAL 046 | Montana | 1960 | 100 | 8.4 m | |
| ELK CREEK 041 | Montana | 1914 | 100 | 28.0 m | |
| FLAT CREEK 036 | Montana | 1901 | 100 | 18.6 m | |
| PINKHAM CREEK 140 | Montana | 1914 | 100 | 19.8 m | |
| FLOWER CREEK 123 | Montana | 1969 | 100 | 9.1 m | |
| E FORK YAAK RIVER 151 | Montana | 1953 | 100 | 11.0 m | |
| RUBY RIVER 019 | Montana | 1976 | 100 | 18.6 m | |
| SMITH RIVER 002 | Montana | 1957 | 100 | 14.3 m | |
| SIXTEENMILE CREEK 029 | Montana | 1976 | 100 | 12.5 m | |
| SIXTEENMILE CREEK 039 | Montana | 1959 | 100 | 9.5 m | |
| MUSSELSHELL RIVER 022 | Montana | 1986 | 100 | 15.5 m | |
| NEMOTE CREEK 006 | Montana | 1931 | 100 | 22.9 m | |
| ABANDONED RR 001 | Montana | 1956 | 100 | 146.9 m | |
| CLARK FORK 103 | Montana | 1962 | 100 | 87.4 m | |
| OWL CREEK 077 | Montana | 1970 | 100 | 11.4 m | |
| BLACKFOOT RIVER 088 | Montana | 1907 | 100 | 65.8 m | |
| CLEARWATER RIVER 082 | Montana | 1938 | 100 | 121.9 m | |
| MUSSELSHELL RIVER 018 | Montana | 1916 | 100 | 43.6 m | |
| SHIELDS RIVER 018 | Montana | 1960 | 100 | 19.2 m | |
| SHIELDS RIVER OVERFL 022 | Montana | 1938 | 100 | 7.0 m | |
| SHIELDS RIVER 023 | Montana | 1923 | 100 | 28.3 m | |
| ROCK CREEK 025 | Montana | 1967 | 100 | 8.8 m | |
| POTTER CREEK 005 | Montana | 1915 | 100 | 23.2 m | |
| FLATHEAD CREEK 073 | Montana | 1970 | 100 | 7.0 m | |
| FLATWILLOW CREEK 016 | Montana | 1950 | 100 | 12.2 m | |
| BOX ELDER CREEK 008 | Montana | 1930 | 100 | 23.8 m | |
| WHITEWATER CREEK 110 | Montana | 1977 | 100 | 27.4 m | |
| SAGE CREEK OVERFLOW 055 | Montana | 1983 | 100 | 8.6 m | |
| WILD HORSE CREEK 023 | Montana | 1925 | 100 | 17.1 m | |
| SPRING COULEE 024 | Montana | 1965 | 100 | 9.2 m | |
| BIG WARM CREEK 027 | Montana | 2004 | 100 | 17.6 m | |
| DRAINAGE 057 | Montana | 1950 | 100 | 11.5 m | |
| BIG WARM CREEK 026 | Montana | 1960 | 100 | 22.2 m | |
| ALKALI CREEK 001 | Montana | 1920 | 100 | 23.3 m | |
| BEAVER CREEK 092 | Montana | 1968 | 100 | 34.7 m | |
| TELEGRAPH CREEK 040 | Montana | 1940 | 100 | 11.2 m | |
| BEAVER CREEK 132 | Montana | 1915 | 100 | 33.9 m | |
| DODSON SOUTH CANAL 131 | Montana | 1986 | 100 | 11.6 m | |
| E FK PORCUPINE CREEK 112 | Montana | 1960 | 100 | 12.2 m | |
| BEAR CREEK 015 | Montana | 1936 | 100 | 9.4 m | |
| BITTERROOT CANAL 089 | Montana | 1984 | 100 | 12.2 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.