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
COEUR DALENE RIVER Idaho 1936 680 100.0 m
C CANAL Idaho 1965 660 7.9 m
MINEAR CREEK Idaho 1955 630 9.1 m
MILNER GOODING CANAL Idaho 1965 560 15.2 m
BOISE RIVER Idaho 1954 560 100.9 m
SALMON R;WHITEBIRD TRUSS Idaho 1935 550 178.3 m
SIRR & UPRR;S.ATHOL OP Idaho 1929 540 55.2 m
BURGESS CANAL Idaho 1969 510 13.7 m
Adams Drainage Idaho 1993 491 11.9 m
WILLOW CREEK Idaho 1996 490 7.3 m
WEISER RIVER Idaho 1917 490 75.9 m
ST MARIES RIVER Idaho 1955 460 32.0 m
C CANAL Idaho 1963 450 9.8 m
HUNT CREEK Idaho 1975 430 7.3 m
CLEARWATER R;LENORE BR. Idaho 1935 400 160.3 m
WILLOW CREEK Idaho 1996 370 9.1 m
BIG DICK CREEK Idaho 1909 370 72.8 m
THORN CREEK Idaho 1955 360 21.9 m
S.FK.COEUR DALENE RIVER Idaho 1978 360 9.8 m
LITTLE HANGMAN CREEK Idaho 1977 350 16.2 m
PINE CREEK Idaho 2012 350 12.3 m
SQUAW CREEK Idaho 1960 330 7.3 m
MILNER GOODING CANAL Idaho 1970 330 23.2 m
SQUAW CREEK Idaho 1960 330 7.3 m
CUB RIVER Idaho 1926 310 15.5 m
T.F.NORTHSIDE MAIN CNL Idaho 1970 310 11.3 m
T.F.NORTHSIDE MAIN CNL Idaho 1960 310 20.4 m
LEMHI RIVER Idaho 1948 310 24.1 m
MYRTLE CREEK Idaho 1958 300 15.8 m
SQUAW CREEK Idaho 1960 300 7.6 m
IDAHO CANAL Idaho 2002 290 12.5 m
RAPID LIGHTNING CREEK Idaho 1970 280 12.5 m
BOULDER CREEK Idaho 1978 230 9.1 m
CANYON CREEK Idaho 2012 220 11.6 m
RED ROCK CREEK Idaho 1970 200 9.4 m
PANTHER CREEK Idaho 1980 200 28.9 m
CAMAS CREEK Idaho 1953 200 13.7 m
C CANAL Idaho 1975 200 8.5 m
LITTLE WOOD RIVER Idaho 1920 200 13.7 m
LITTLE WOOD RIVER Idaho 1913 200 19.2 m
BOULDER CREEK Idaho 1966 200 9.3 m
MILNER GOODING CANAL Idaho 1955 200 23.8 m
ABERDEEN SPRINGFIELD CNL Idaho 1964 190 28.0 m
SNAKE RIVER;SW BLISS BR Idaho 1977 190 57.9 m
WEISER RIVER Idaho 1910 180 92.4 m
LAPWAI CREEK Idaho 1935 180 18.6 m
LITTLE CANYON CREEK Idaho 1995 170 7.3 m
LITTLE CANYON CREEK Idaho 1970 170 15.5 m
I 15;WILLIE ROAD GS Idaho 1959 160 64.6 m
SANTA CREEK Idaho 1964 150 7.5 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.