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 |
|---|---|---|---|---|---|
| INT RESERVE STREET | Montana | 1966 | 13,664 | 59.4 m | |
| CLARK FORK RIVER | Montana | 1970 | 13,081 | 77.6 m | |
| CLARK FORK RIVER | Montana | 1964 | 9,168 | 299.2 m | |
| U1025-RR | Montana | 1960 | 8,576 | 521.4 m | |
| U1024-25-RR | Montana | 1960 | 8,576 | 522.1 m | |
| ABANDONED RR | Montana | 1969 | 8,575 | 61.9 m | |
| FLATHEAD RIVER | Montana | 1955 | 8,310 | 209.0 m | |
| NINE PIPE RESERVOIR | Montana | 1933 | 8,158 | 23.6 m | |
| INT LINCOLN-I 15 | Montana | 1962 | 7,492 | 62.8 m | |
| RR | Montana | 1973 | 5,992 | 76.2 m | |
| RR | Montana | 1973 | 5,992 | 80.7 m | |
| BIG CHERRY CREEK | Montana | 1976 | 5,295 | 46.0 m | |
| INT W GARRISON-RR | Montana | 1979 | 5,232 | 216.3 m | |
| YELLOWSTONE RIVER | Montana | 1957 | 5,017 | 175.5 m | |
| CLEAR CREEK | Montana | 1973 | 4,317 | 16.0 m | |
| SOUTH WILLOW CREEK | Montana | 1934 | 4,102 | 11.9 m | |
| SEP ELIZABETH LN | Montana | 1965 | 4,088 | 135.9 m | |
| CLARK FORK RIVER | Montana | 1965 | 4,088 | 245.9 m | |
| YELLOWSTONE RIVER 170 | Montana | 1949 | 4,005 | 311.5 m | |
| CLARK FORK RIVER | Montana | 1984 | 3,719 | 332.8 m | |
| MILK RIVER | Montana | 1964 | 3,311 | 65.2 m | |
| SEP I 90 | Montana | 1959 | 3,188 | 139.3 m | |
| INT EAST LIVINGSTON I 90 | Montana | 1962 | 2,910 | 85.0 m | |
| CRANE CREEK | Montana | 1957 | 2,821 | 11.3 m | |
| BEAVERHEAD RIVER 033 | Montana | 1946 | 2,676 | 45.6 m | |
| TEEPEE CREEK | Montana | 1962 | 2,605 | 8.8 m | |
| GRAYLING CREEK | Montana | 1962 | 2,605 | 14.2 m | |
| BIG DITCH 051 | Montana | 1932 | 2,489 | 19.8 m | |
| CLARK FORK RIVER | Montana | 1960 | 2,482 | 290.3 m | |
| YELLOWSTONE RIVER | Montana | 1994 | 2,438 | 335.9 m | |
| RATTLESNAKE CREEK 009 | Montana | 1966 | 2,363 | 28.7 m | |
| IRRIGATION-STOCKPASS | Montana | 1940 | 2,335 | 46.6 m | |
| LODGE CREEK | Montana | 1942 | 2,335 | 28.7 m | |
| CLARK FORK RIVER | Montana | 1949 | 2,330 | 41.1 m | |
| OTTER CREEK | Montana | 1959 | 2,314 | 31.4 m | |
| OTTER CREEK | Montana | 1959 | 2,314 | 31.2 m | |
| OTTER CREEK | Montana | 1959 | 2,314 | 31.4 m | |
| WEBER IRRIGATION CANAL | Montana | 1950 | 2,300 | 8.2 m | |
| MISSION CREEK 052 | Montana | 1929 | 2,233 | 10.1 m | |
| RR | Montana | 1956 | 2,225 | 110.3 m | |
| SANDSTONE CREEK | Montana | 1941 | 2,209 | 19.7 m | |
| DRAINAGE | Montana | 1940 | 2,141 | 11.9 m | |
| DRAINAGE | Montana | 1940 | 2,141 | 17.7 m | |
| BOULDER RIVER OVERFLOW | Montana | 1937 | 2,133 | 7.8 m | |
| KOOTENAI RIVER-RR | Montana | 1942 | 2,104 | 287.1 m | |
| ABANDONED RR-ANTELOPE CR | Montana | 1939 | 2,063 | 62.1 m | |
| CHELSEA CREEK | Montana | 1960 | 2,054 | 11.4 m | |
| TEN MILE CREEK 071 | Montana | 1962 | 1,929 | 15.5 m | |
| INT LIMA-BAILEY ST | Montana | 1959 | 1,863 | 36.3 m | |
| FISH CREEK | Montana | 1953 | 1,858 | 11.6 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.