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 |
|---|---|---|---|---|---|
| GRAVEYARD CREEK 055 | Montana | 1928 | 128 | 12.5 m | |
| CROW CREEK 070 | Montana | 1986 | 128 | 9.2 m | |
| SMOKE CREEK | Montana | 1954 | 101 | 7.9 m | |
| BLACKFOOT RIVER 088 | Montana | 1907 | 100 | 65.8 m | |
| POTTER CREEK 005 | Montana | 1915 | 100 | 23.2 m | |
| SPRING COULEE 024 | Montana | 1965 | 100 | 9.2 m | |
| HORSE PRAIRIE CREEK 043 | Montana | 2022 | 100 | 10.4 m | |
| PRICKLY PEAR CREEK | Montana | 2010 | 100 | 7.0 m | |
| ABANDONED RR 001 | Montana | 1956 | 100 | 146.9 m | |
| BIG SANDY CREEK | Montana | 1963 | 100 | 7.7 m | |
| DODSON SOUTH CANAL 131 | Montana | 1986 | 100 | 11.6 m | |
| BIG SPRING CREEK 061 | Montana | 1940 | 100 | 8.5 m | |
| WILD HORSE CREEK 023 | Montana | 1925 | 100 | 17.1 m | |
| SAGE CREEK OVERFLOW 055 | Montana | 1983 | 100 | 8.6 m | |
| SHIELDS RIVER 023 | Montana | 1923 | 100 | 28.3 m | |
| WHITEWATER CREEK 110 | Montana | 1977 | 100 | 27.4 m | |
| BIG SPRING CREEK 062 | Montana | 1940 | 100 | 9.8 m | |
| LITTLE CASINO CREEK 138 | Montana | 2006 | 100 | 8.4 m | |
| BIG WARM CREEK 026 | Montana | 1960 | 100 | 22.2 m | |
| ALKALI CREEK 001 | Montana | 1920 | 100 | 23.3 m | |
| BEAR CREEK 015 | Montana | 1936 | 100 | 9.4 m | |
| LITTLE SNAKE CREEK 048 | Montana | 1965 | 100 | 7.9 m | |
| LINDEKE COULEE 007 | Montana | 1930 | 100 | 18.0 m | |
| E FK PORCUPINE CREEK 112 | Montana | 1960 | 100 | 12.2 m | |
| VANDALIA SOUTH CANAL 078 | Montana | 1989 | 100 | 11.6 m | |
| CUSTER COULEE 098 | Montana | 1962 | 100 | 7.6 m | |
| ANTELOPE CREEK | Montana | 1971 | 100 | 13.1 m | |
| N FK BIGHOLE RIVER 064 | Montana | 1977 | 100 | 14.0 m | |
| BIG LAKE CREEK 081 | Montana | 1958 | 100 | 8.5 m | |
| BIG HOLE RIVER 089 | Montana | 1925 | 100 | 30.5 m | |
| GOVERNOR CREEK 092 | Montana | 1951 | 100 | 12.8 m | |
| RED ROCK RIVER 053 | Montana | 1975 | 100 | 23.5 m | |
| RED ROCK RIVER 052 | Montana | 1920 | 100 | 29.9 m | |
| BIG HOLE RIVER 123 | Montana | 1915 | 100 | 53.3 m | |
| FLATHEAD CREEK 073 | Montana | 1970 | 100 | 7.0 m | |
| DRAINAGE 057 | Montana | 1950 | 100 | 11.5 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 |
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.