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
STEELE CREEK Iowa 1952 40 74.1 m
CREEK Iowa 1970 40 7.9 m
UNNAMED CREEK Iowa 1966 40 7.6 m
ELK CREEK Iowa 1900 40 55.8 m
JONATHON CREEK Iowa 1961 40 46.3 m
DRAINAGE Iowa 1930 40 7.0 m
SM STREAM Iowa 1974 40 16.2 m
COLD SPRING BRANCH Iowa 1959 40 9.8 m
LIZARD CK DD #53 Iowa 1975 40 9.8 m
EAST RIVER Iowa 1950 40 30.5 m
MILL CREEK Iowa 1973 40 27.7 m
STREAM Iowa 1951 40 7.3 m
BADGER CREEK Iowa 1890 40 28.3 m
BRANCH OF BEAVER CREEK Iowa 1953 40 15.2 m
DRAINAGE Iowa 1960 40 15.9 m
SO ENGLISH RIVER Iowa 1980 40 9.4 m
SOUTH ENGLISH RIVER Iowa 1974 40 12.5 m
BR MINERVA CREEK Iowa 1941 40 11.9 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
NISHNA RIVER Iowa 1940 40 76.8 m
SEELY CREEK Iowa 1957 40 16.5 m
TROUBLESOME CREEK Iowa 1948 40 7.6 m
TRIB TO HOLCOMB CREEK Iowa 1976 40 9.8 m
BOONE RIVER Iowa 1907 40 63.1 m
CREEK Iowa 1930 40 6.1 m
DRAINAGE DITCH #2 Iowa 1951 40 9.8 m
WALNUT CREEK Iowa 1951 40 46.6 m
PIGEON CREEK Iowa 1920 40 40.5 m
WILLOW CREEK Iowa 1952 40 46.9 m
LITTLE SIOUX RIVER Iowa 1971 40 96.6 m
MIDDLE CREEK Iowa 1965 40 38.7 m
MIDDLE CREEK Iowa 1963 40 23.5 m
SOLDIER CREEK Iowa 1948 40 64.9 m
WALNUT CR Iowa 1977 40 21.3 m
LITTLE BEAR CREEK Iowa 1978 40 23.8 m
EAST BR INDIAN CREEK Iowa 1936 40 29.6 m
LYTLE CREEK Iowa 1986 40 6.1 m
CREEK Iowa 1940 40 7.3 m
SMALL STREAM Iowa 1986 40 15.5 m
BR ELLIOTT CREEK Iowa 1980 40 10.4 m
UPPER IOWA RIVER Iowa 1913 39 46.3 m
MIDDLE FORK BEAVER CREEK Iowa 1948 39 38.4 m
NORTH BEAR CREEK Iowa 1957 39 9.4 m
CREEK Iowa 1900 39 8.2 m
CREEK Iowa 1988 39 10.4 m
BEAVER CREEK Iowa 1984 39 15.9 m
SOUTH FORK IOWA RIVER Iowa 1939 39 25.9 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.