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 TARKIO RIVER Iowa 1952 120 39.0 m
PLUM CREEK Iowa 1954 120 13.4 m
DRAINAGE Iowa 1983 118 11.9 m
LITTLE ASHER CR Iowa 1916 118 12.8 m
PINE CREEK Iowa 1938 118 37.5 m
SPRING BRANCH Iowa 1951 118 25.0 m
TEN MILE CREEK Iowa 1900 118 13.4 m
BR LITTLE WAPSIPINICON Iowa 1957 118 23.5 m
SMALL STREAM Iowa 1988 113 12.2 m
EAST FORK BIG CREEK Iowa 1967 113 18.3 m
PECK CREEK Iowa 1913 113 12.8 m
LOCAL CREEK Iowa 1963 112 10.1 m
SMALL STREAM Iowa 1977 110 9.4 m
CREEK Iowa 1900 110 6.1 m
WEST FORK 102 RIVER Iowa 1969 110 12.2 m
TRIB. OF FOX RIVER Iowa 1985 110 12.2 m
LOCAL CREEK Iowa 1958 110 31.4 m
SOAP CREEK Iowa 1920 110 43.3 m
WOLF CREEK Iowa 1955 110 31.1 m
MILLER CREEK Iowa 1900 110 7.9 m
CREEK Iowa 1936 110 12.8 m
STREAM Iowa 1980 110 9.4 m
IAIS RR Iowa 1952 110 37.8 m
BROWN CREEK Iowa 1941 110 7.6 m
PRAIRIE CREEK Iowa 1906 110 31.1 m
RACCOON RIVER Iowa 1974 110 75.0 m
CAIN CREEK Iowa 1971 110 21.3 m
CAIN CREEK Iowa 1968 110 42.1 m
SMITH CREEK Iowa 1930 110 13.1 m
CREEK Iowa 1938 110 11.9 m
PEDEE CREEK Iowa 1965 110 12.5 m
SMALL STREAM Iowa 1900 110 18.9 m
SMALL Iowa 1980 110 13.7 m
DRAINAGE Iowa 1968 110 31.1 m
SMALL STREAM Iowa 1956 110 7.3 m
LITTLE RIVER Iowa 1957 110 62.5 m
CREEK Iowa 1900 108 7.6 m
CREEK Iowa 1917 108 8.5 m
SNAKE CREEK Iowa 1959 108 13.7 m
CREEK Iowa 1973 108 23.8 m
UPPER IOWA RIVER Iowa 1924 108 75.6 m
NORTH SKUNK RIVER Iowa 1936 106 33.2 m
DRAINAGE Iowa 1910 104 8.8 m
BUCK CREEK Iowa 1919 104 10.1 m
COOPER CREEK Iowa 1956 104 38.4 m
CREEK Iowa 1953 104 13.1 m
SMALL STREAM Iowa 1921 104 6.7 m
RED ROCK CREEK Iowa 1915 104 7.0 m
SMALL STREAM Iowa 1986 104 10.1 m
MIDDLE RIVER Iowa 1940 103 67.7 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.