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 36 Iowa 1980 30 13.4 m
STREAM Iowa 1917 30 10.4 m
SMALL STREAM Iowa 1985 30 11.9 m
SMALL STREAM Iowa 1923 30 7.3 m
LONG DICK CREEK Iowa 1924 30 13.7 m
DRAINAGE DITCH Iowa 1923 30 15.2 m
STREAM Iowa 1931 30 7.9 m
DRAINAGE DITCH Iowa 1919 30 9.8 m
DRAINAGE DITCH NO. 3 Iowa 1913 30 6.7 m
SMALL STREAM Iowa 1932 30 9.1 m
CREEK Iowa 1900 30 14.9 m
CREEK Iowa 1900 30 6.7 m
MINERVA CREEK Iowa 1984 30 15.9 m
SMALL STREAM Iowa 1975 30 12.2 m
TIPTON CREEK Iowa 1984 30 21.3 m
HONEY CREEK Iowa 1988 30 18.0 m
STREAM Iowa 1981 30 9.8 m
DRAINAGE Iowa 1954 30 7.6 m
BUCK CREEK Iowa 1957 30 12.8 m
BERRY BRANCH Iowa 1974 30 12.5 m
LYNN CREEK Iowa 1974 30 13.1 m
TURKEY RIVER Iowa 1986 30 9.8 m
NORTH TURKEY Iowa 1966 30 10.4 m
BROKEN KETTLE CREEK Iowa 1900 30 14.9 m
DM RIVER Iowa 1905 30 66.1 m
DRAINAGE Iowa 1900 30 10.1 m
STREAM Iowa 1965 30 12.2 m
PICAYUNE CREEK Iowa 1934 30 10.4 m
SUGAR CREEK Iowa 1929 30 10.4 m
BIG INDIAN CREEK Iowa 1967 30 28.0 m
WEST BRANCH SUGAR CREEK Iowa 1934 30 10.4 m
OTTER CREEK Iowa 1920 30 31.1 m
SMALL STREAM Iowa 1960 30 17.4 m
BRANCH N TIMBER CREEK Iowa 1920 30 7.6 m
NORTH TIMBER CREEK Iowa 1951 30 13.1 m
SMALL STREAM Iowa 1900 30 6.4 m
SMALL STREAM Iowa 1943 30 13.7 m
SOUTH ENGLISH RIVER Iowa 1990 30 10.7 m
ROCK CR Iowa 1950 30 10.7 m
CARRUTHERS CREEK Iowa 1981 30 19.8 m
MINERVA CR Iowa 1946 30 34.1 m
SMALL Iowa 1979 30 18.9 m
BR LINN CR Iowa 1942 30 7.0 m
INDIAN CREEK Iowa 1956 30 18.6 m
OTTER CREEK Iowa 1900 30 24.1 m
OVER FLOW Iowa 1900 30 9.8 m
TAFT CREEK Iowa 1900 30 9.8 m
STREAM Iowa 1948 30 7.9 m
DEEP RIVER Iowa 1949 30 12.8 m
WOLF CREEK Iowa 1940 30 21.6 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.