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
WEST CROW CREEK Iowa 1954 2,100 31.1 m
STONY CREEK Iowa 1954 2,080 31.1 m
CREEK Iowa 1941 2,060 9.1 m
IOWA RIVER Iowa 1971 2,060 106.1 m
WAPSIPINICON RIVER Iowa 1951 2,033 136.6 m
INDIAN CREEK Iowa 1937 2,027 105.5 m
INDIAN CREEK Iowa 1937 2,027 74.4 m
DRY CREEK Iowa 1951 2,012 17.4 m
LITTLE FLINT RIVER Iowa 1968 2,000 25.0 m
BUCK CREEK Iowa 1969 2,000 31.4 m
SMALL STREAM Iowa 1969 2,000 31.1 m
EAST BOYER RIVER Iowa 1958 1,951 62.5 m
BLACKHAWK CREEK Iowa 1971 1,935 39.0 m
PANTHER CREEK Iowa 1966 1,930 55.8 m
OVRFLW SHELL ROCK RIVER Iowa 1900 1,902 21.9 m
SHELLROCK RIVER Iowa 1950 1,868 37.8 m
CEDAR RIVER Iowa 1966 1,860 252.1 m
OVER UP RR Iowa 1935 1,846 44.5 m
SPRING CREEK Iowa 1963 1,806 23.8 m
DRAINAGE Iowa 1977 1,795 10.1 m
E BR WAPSINONOC CREEK Iowa 1920 1,770 18.3 m
DRY CREEK Iowa 1972 1,755 30.5 m
PONY CREEK Iowa 1966 1,733 61.0 m
NORTH RIVER Iowa 1960 1,714 77.4 m
BR BADGER CREEK Iowa 1970 1,714 13.4 m
SPENCER CREEK Iowa 1972 1,700 20.4 m
STREAM Iowa 1952 1,676 7.3 m
BACON CREEK Iowa 1900 1,664 6.4 m
ROCK CREEK Iowa 1967 1,660 32.6 m
I 80 Iowa 1959 1,654 69.2 m
N FORK MAQUOKETA RIVER Iowa 1967 1,651 38.1 m
WILLIAMS CREEK Iowa 1936 1,650 18.3 m
OVERFLOW FROM SUGAR CRK Iowa 1971 1,640 39.0 m
ODEBOLT CREEK Iowa 1972 1,635 54.6 m
STREAM Iowa 1953 1,630 114.9 m
DRAINAGE DITCH Iowa 1953 1,630 93.6 m
DRAINAGE DITCH Iowa 1953 1,630 114.9 m
CEDAR RIVER Iowa 1912 1,610 201.2 m
MUD CREEK Iowa 1972 1,600 39.0 m
PINE CREEK Iowa 1955 1,600 7.6 m
MUD CREEK Iowa 1971 1,580 47.2 m
RACCOON RIVER Iowa 1947 1,572 101.8 m
SMALL NATURAL STREAM Iowa 1958 1,561 17.7 m
STREAM Iowa 1970 1,544 76.8 m
TRIB TO INDIAN CREEK Iowa 1957 1,532 7.6 m
SMALL STREAM Iowa 1949 1,530 10.7 m
PONY CREEK Iowa 1969 1,524 7.3 m
NISHNABOTNA RIVER Iowa 1961 1,524 77.1 m
WAPSINONOC CREEK Iowa 1981 1,510 39.0 m
OTTER CREEK Iowa 1971 1,501 37.5 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.