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 Iowa 1959 40 9.8 m
CREEK Iowa 1959 40 7.0 m
WALNUT CR Iowa 1977 40 21.3 m
SOUTH CHARITON RIVER Iowa 1918 40 7.6 m
DD 9-13 Iowa 1900 40 19.5 m
WILLOW CREEK Iowa 1900 40 9.1 m
UNNAMED CREEK Iowa 1966 40 7.6 m
WOLF CREEK Iowa 1956 40 40.2 m
SMALL STREAM Iowa 1986 40 7.9 m
PRAIRIE CREEK Iowa 1955 40 13.4 m
DRAINAGE Iowa 1930 40 7.0 m
WATERWAY Iowa 1959 40 13.4 m
WATERWAY Iowa 1959 40 13.4 m
MCELHANEY CREEK Iowa 1960 40 19.8 m
LIZARD CK DD #53 Iowa 1975 40 9.8 m
BUSHY CREEK Iowa 1955 40 17.4 m
BUSHY CREEK Iowa 1952 40 42.4 m
MIDDLE PLATTE RIVER Iowa 1952 40 15.9 m
CROOKED CREEK Iowa 1965 40 9.1 m
BADGER CREEK Iowa 1890 40 28.3 m
STREAM Iowa 1976 40 18.9 m
CREEK Iowa 1977 40 9.4 m
NORWAY CREEK Iowa 1953 40 9.4 m
STREAM Iowa 1969 40 14.6 m
MILL CREEK Iowa 1973 40 27.7 m
SOLDIER CREEK Iowa 1948 40 64.9 m
CREEK Iowa 1930 40 6.1 m
BRANCH OF BEAVER CREEK Iowa 1953 40 15.2 m
PLATTE RIVER Iowa 1962 40 55.5 m
SMALL CREEK Iowa 1949 40 7.6 m
MIDDLE RIVER Iowa 1981 40 9.4 m
SOUTH FORK MIDDLE RIVER Iowa 1971 40 9.8 m
TRIB TO MASON CREEK Iowa 1977 40 9.8 m
SEELY CREEK Iowa 1957 40 16.5 m
DRAINAGE Iowa 1951 40 16.5 m
TROUBLESOME CREEK Iowa 1948 40 7.6 m
SMALL STREAM Iowa 1951 40 15.5 m
BOONE RIVER Iowa 1907 40 63.1 m
DRAINAGE Iowa 1978 40 13.1 m
MCCANDLESS CLEGHORN DD Iowa 1970 40 10.1 m
EAST RIVER Iowa 1950 40 30.5 m
STREAM Iowa 1948 40 10.1 m
DRAINAGE DITCH #2 Iowa 1951 40 9.8 m
CREEK Iowa 1970 40 7.9 m
PIGEON CREEK Iowa 1920 40 40.5 m
LITTLE SIOUX RIVER Iowa 1971 40 96.6 m
STREAM Iowa 1951 40 7.3 m
PIGEON CREEK Iowa 1952 40 43.6 m
SO ENGLISH RIVER Iowa 1980 40 9.4 m
SOUTH ENGLISH RIVER Iowa 1974 40 12.5 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.