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 |
|---|---|---|---|---|---|
| CAMAS CREEK 002 | Montana | 1978 | 100 | 11.6 m | |
| LITTLE BITTERROOT RV 070 | Montana | 1978 | 100 | 11.6 m | |
| CABINET GORGE RESV 047 | Montana | 1922 | 100 | 182.8 m | |
| INT VICTOR I 15 003 | Montana | 1961 | 100 | 64.0 m | |
| SWEET GRASS CREEK 044 | Montana | 1970 | 100 | 14.6 m | |
| UPPER DEER CREEK 028 | Montana | 1975 | 100 | 13.4 m | |
| WEST BOULDER RIVER 025 | Montana | 1912 | 100 | 18.9 m | |
| MUDDY CREEK 018 | Montana | 1938 | 100 | 26.8 m | |
| GREENFIELD SO CANAL 039 | Montana | 1966 | 100 | 11.9 m | |
| DRAINAGE 129 | Montana | 1974 | 100 | 6.9 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 089 | Montana | 1938 | 100 | 18.6 m | |
| LITTLE PORCUPINE CR 064 | Montana | 1965 | 100 | 21.3 m | |
| BEAVER CREEK 115 | Montana | 1931 | 100 | 72.5 m | |
| VANDALIA SOUTH CANAL 078 | Montana | 1989 | 100 | 11.6 m | |
| CUSTER COULEE 098 | Montana | 1962 | 100 | 7.6 m | |
| BIG SPRING CREEK 061 | Montana | 1940 | 100 | 8.5 m | |
| BIG SPRING CREEK 062 | Montana | 1940 | 100 | 9.8 m | |
| LITTLE CASINO CREEK 138 | Montana | 2006 | 100 | 8.4 m | |
| YAAK RIVER | Montana | 1951 | 99 | 51.8 m | |
| SOUTH FORK YAAK RIVER | Montana | 1953 | 99 | 12.3 m | |
| N FK SUN RIVER | Montana | 1927 | 99 | 83.2 m | |
| SEVEN MILE CREEK 025 | Montana | 1983 | 94 | 22.7 m | |
| HAY CREEK | Montana | 1950 | 88 | 11.9 m | |
| BR MAIN CANAL 035 | Montana | 1928 | 80 | 19.7 m | |
| BR MAIN CANAL 036 | Montana | 1938 | 80 | 20.6 m | |
| BIG MUDDY CREEK 046 | Montana | 1950 | 79 | 12.2 m | |
| VAIL CREEK | Montana | 1976 | 77 | 14.6 m | |
| SHEEP CREEK 097 | Montana | 1950 | 68 | 19.8 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 7.4 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 8.5 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 8.5 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 8.6 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 7.5 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 7.3 m | |
| S FK JUDITH RIVER | Montana | 1958 | 65 | 7.6 m | |
| BIG HORN CANAL 009 | Montana | 1946 | 63 | 17.7 m | |
| SOUTH FORK MILK RIVER | Montana | 1979 | 60 | 31.1 m | |
| LIMEKILN CANYON 022 | Montana | 1931 | 60 | 6.9 m | |
| W BOULDER RIVER 038 | Montana | 1938 | 52 | 27.4 m | |
| CANYON CR | Montana | 1952 | 50 | 8.1 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 |
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.