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
PEDESTRIAN/BIKE PATH Idaho 1971 31,250 39.6 m
SAND CREEK Idaho 1994 27,500 13.1 m
CITY ST;UPRR;CALDWELL OP Idaho 1956 19,500 189.3 m
IDAHO CANAL Idaho 1984 18,000 22.9 m
I15B;UPRR;S.BLACKFOOT IC Idaho 1961 13,750 119.5 m
I15B;UPRR;S.BLACKFOOT IC Idaho 1961 13,750 119.5 m
ROCK CREEK Idaho 1959 11,500 11.9 m
MAIN STREET GS Idaho 1962 7,750 37.8 m
MAIN STREET GS Idaho 1962 7,750 37.8 m
I 15B;W.INKOM IC Idaho 1962 7,750 34.7 m
SALMON RIVER;SALMON BR. Idaho 1926 7,300 133.5 m
BLACKFOOT RIVER Idaho 1936 7,000 32.3 m
NEW YORK CANAL Idaho 1964 7,000 34.7 m
SNAKE RIVER Idaho 1936 6,900 147.2 m
RIDENBAUGH CANAL Idaho 1954 6,700 21.6 m
BOISE RIVER(BARBER BR) Idaho 1954 6,700 96.0 m
PARADISE CREEK Idaho 1992 6,400 8.8 m
ROCK CREEK Idaho 1973 6,000 6.4 m
SPRING CREEK Idaho 1975 5,600 13.1 m
OLD INDIAN CREEK CHANNEL Idaho 1966 5,400 11.9 m
SNAKE RIVER;PAYETTE BR. Idaho 1953 5,100 210.0 m
BLACKFOOT CANAL Idaho 1951 4,600 13.1 m
UPRR;N.FK.PAYETTE RIVER Idaho 1933 4,100 125.3 m
BUNCO RD; US 95 IC Idaho 2012 3,800 83.8 m
GIBSON LATERAL CANAL Idaho 1923 3,800 8.5 m
PRIEST RIVER Idaho 1962 3,100 107.3 m
DRY CREEK Idaho 1934 2,900 18.3 m
PORTNEUF RIVER Idaho 1969 2,800 14.3 m
UPRR;BICKEL OVERPASS Idaho 1936 2,500 48.2 m
S.FK.CDA R;I-90B ARCH Idaho 1940 2,300 28.7 m
SAND CREEK Idaho 1957 2,100 21.6 m
BOISE RIVER & CANAL Idaho 1922 2,100 118.3 m
INDIAN CREEK Idaho 1933 2,000 11.9 m
S.FK.COEUR DALENE RIVER Idaho 1971 1,900 51.2 m
CO.RD.;STODDARD CREEK IC Idaho 1969 1,750 32.6 m
SNAKE R.(MONTGOMERY BR) Idaho 1954 1,500 292.6 m
PAYETTE RIVER Idaho 1959 1,400 123.1 m
I 86 EB-WB;AIRPORT IC Idaho 1968 1,300 95.1 m
STC 5752;N.FK.CDA RIVER Idaho 1930 1,200 80.5 m
PORTNEUF RIVER Idaho 1962 1,200 13.1 m
S.FK.TETON RIVER Idaho 1977 1,100 45.7 m
BEAR RIVER;E.WESTON BR. Idaho 1956 1,000 53.3 m
M.F.CLWATER R.;E.KOOSKIA Idaho 1935 980 146.6 m
COEUR DALENE RIVER Idaho 1951 960 104.9 m
ENTERPRISE CANAL Idaho 1950 950 7.9 m
BNRR;UPRR & DEEP CREEK Idaho 1936 900 153.0 m
PACK RIVER Idaho 1941 870 29.3 m
GROUSE CREEK Idaho 1941 870 19.8 m
WILLOW CREEK Idaho 1983 750 8.5 m
COEUR DALENE RIVER Idaho 1936 680 100.0 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.