Poor Condition Bridges in Iowa

4,423 bridges rated Poor condition in Iowa. 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 4,423 such bridges in Iowa.

Clear
Bridge State Condition Year Built ADT Length
DRAINAGE DITCH Iowa 1978 1,494 10.7 m
DD Iowa 1973 1,446 23.8 m
HARDIN CREEK Iowa 1973 1,446 23.8 m
DRY CREEK Iowa 1961 1,444 6.4 m
BLACKHAWK CREEK Iowa 1977 1,429 39.0 m
BLACKHAWK CREEK Iowa 1977 1,429 31.4 m
DRAINAGE Iowa 1900 1,429 32.3 m
BOHEMIAN CREEK Iowa 1951 1,420 19.8 m
BEAR CREEK Iowa 1957 1,414 7.6 m
LITTLE CEDAR RIVER Iowa 1974 1,414 85.3 m
MILL CREEK Iowa 1970 1,410 52.7 m
BADGER CREEK Iowa 1956 1,404 38.7 m
WOLF CREEK BRANCH Iowa 1975 1,394 12.2 m
WAPSIPINICON RIVER Iowa 1962 1,390 107.0 m
ELK CREEK Iowa 1962 1,370 39.0 m
IOWA RIVER Iowa 1953 1,365 163.4 m
MILL CREEK Iowa 1962 1,360 38.7 m
ROCK CREEK Iowa 1959 1,350 38.4 m
LITTLE TURKEY RIVER Iowa 1954 1,344 54.9 m
OVER BNSF RR Iowa 1930 1,325 48.5 m
LOST CREEK Iowa 1953 1,310 47.2 m
DD Iowa 1973 1,287 23.8 m
OCHEYEDAN RIVER Iowa 1971 1,287 61.9 m
MUD CREEK Iowa 1940 1,280 46.9 m
DRY RUN CREEK Iowa 1900 1,273 10.7 m
CEDAR RIVER Iowa 1969 1,267 315.2 m
DES MOINES RIVER Iowa 1960 1,263 127.1 m
CREEK Iowa 1973 1,260 9.8 m
MOSQUITO CREEK Iowa 1978 1,260 21.0 m
FOX RIVER Iowa 1973 1,260 68.9 m
MOSQUITO CK Iowa 1978 1,260 31.4 m
RACCOON RIVER Iowa 1976 1,228 35.1 m
AMES CREEK Iowa 1971 1,220 23.8 m
OVER UP RR Iowa 1940 1,210 32.3 m
FLINT RIVER Iowa 1960 1,210 46.3 m
SMALL NATURAL STREAM Iowa 1959 1,207 46.9 m
DD DIST 57 Iowa 1978 1,197 10.1 m
W FORK DES MOINES RIVER Iowa 1966 1,196 69.8 m
STREAM Iowa 1937 1,190 6.4 m
QUARTER SECTION RUN Iowa 1948 1,188 26.2 m
BNSF RR Iowa 1929 1,187 57.3 m
INDIAN CREEK Iowa 1938 1,180 13.1 m
NORTH SKUNK RIVER Iowa 1935 1,170 90.8 m
DRAINAGE DITCH Iowa 1919 1,159 8.2 m
LIZARD CREEK Iowa 1974 1,157 39.0 m
BIG CREEK Iowa 1959 1,151 48.5 m
BASKINS CREEK Iowa 1971 1,149 26.8 m
INDIAN CREEK Iowa 2002 1,129 29.6 m
SMALL NATURAL STREAM Iowa 1939 1,117 7.6 m
PRAIRIE CREEK Iowa 1965 1,090 23.8 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.