Poor Condition Bridges in Idaho

250 bridges rated Poor condition in Idaho. 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 250 such bridges in Idaho.

Clear
Bridge State Condition Year Built ADT Length
WOLF LODGE CREEK Idaho 1934 150 26.5 m
OROFINO CREEK Idaho 1958 140 13.1 m
BIG WILLOW CREEK Idaho 1962 130 21.6 m
W.FK.ST MARIES RIVER Idaho 1973 130 9.1 m
C CANAL Idaho 1962 110 7.9 m
I 90;MILL ROAD IC Idaho 1963 110 73.2 m
UPPER CROOKED RIVER Idaho 1965 110 7.9 m
BEAR RIVER Idaho 1972 100 30.5 m
BIG CREEK TRESTLE Idaho 1912 100 22.6 m
JORDAN CREEK Idaho 1993 100 9.8 m
YANKEE FORK Idaho 1992 100 9.1 m
ELK CREEK TRESTLE Idaho 1912 100 25.9 m
AGATHA CREEK TRESTLE Idaho 1912 100 34.1 m
HORNET CREEK Idaho 1949 100 12.2 m
ANDERSON CREEK Idaho 1983 100 9.1 m
SQUAW CREEK Idaho 1960 100 7.3 m
JORDAN CREEK Idaho 1957 100 8.1 m
BLACK PRINCE TRESTLE Idaho 1912 100 42.7 m
ELDORADO CREEK Idaho 1967 99 9.8 m
SUCCOR CREEK Idaho 1930 90 28.7 m
N.FK.PAYETTE RIVER Idaho 1959 90 73.2 m
POTLATCH R(ARROW JCT BR) Idaho 1920 90 39.9 m
ROAD CREEK Idaho 2022 90 12.2 m
THOUSAND SPRINGS CREEK Idaho 1926 80 7.9 m
JIM FORD CREEK Idaho 1965 80 15.8 m
ST ANTHONY CANAL Idaho 1971 70 7.9 m
I 84;VINYARD RD GS Idaho 1965 70 67.1 m
M.FK.WEISER RIVER Idaho 1957 70 9.8 m
BUTTE MARKET LAKE CANAL Idaho 1962 61 18.3 m
SALMON RIVER;SE.CLAYTON Idaho 1930 60 46.3 m
SILVER CREEK Idaho 1978 60 19.8 m
TRAIL CREEK Idaho 1995 60 7.6 m
VINSON WASH Idaho 1930 60 11.0 m
GRANDVIEW IRRIGATION CNL Idaho 1991 60 7.9 m
HENRYS FK.SNAKE R;FRITZ Idaho 1967 50 60.0 m
PORTNEUF MARSH VAL.CNL Idaho 1968 50 8.2 m
CHESTERFIELD CANAL Idaho 2005 50 14.0 m
LEWISVILLE CANAL Idaho 1960 50 11.9 m
MILNER GOODING CANAL Idaho 1940 50 27.4 m
EAST MAIN CANAL Idaho 1950 50 9.8 m
MILNER GOODING CANAL Idaho 1940 50 24.1 m
EAST MAIN CANAL Idaho 1977 50 11.3 m
CAMAS CREEK Idaho 1981 50 9.8 m
WEISER RIVER Idaho 1988 50 25.9 m
LEMHI RIVER(BAGLEY BR) Idaho 1991 50 22.6 m
NOBLE DRAIN Idaho 1955 50 7.9 m
MUD CREEK Idaho 1986 50 12.5 m
SAGE CREEK Idaho 1965 50 9.4 m
JIM FORD CREEK Idaho 1975 50 15.2 m
ST JOE RIVER Idaho 1934 50 53.0 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.