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
SMALL STREAM Iowa 1932 30 9.1 m
OLIVE BRANCH CREEK Iowa 1950 30 16.5 m
SMALL STREAM Iowa 1923 30 7.3 m
DRAINAGE Iowa 1957 30 17.4 m
NORTH SKUNK RIVER Iowa 1938 29 9.1 m
STREAM Iowa 1983 29 9.1 m
NISHNABOTNA TRIB Iowa 1949 29 10.1 m
WEYFORD CREEK Iowa 1960 29 9.8 m
GRAYBILL CREEK Iowa 1950 29 53.3 m
CREEK Iowa 1918 29 6.1 m
SKUNK RIVER Iowa 1928 29 65.8 m
TODD BRANCH Iowa 1940 29 6.4 m
CREEK Iowa 1900 29 9.1 m
FIELD STREAM Iowa 1957 29 7.0 m
LONE TREE CREEK Iowa 1900 29 17.4 m
CROOKED CREEK Iowa 1950 29 46.9 m
BRANCH OF RICHLAND CREEK Iowa 1941 29 8.2 m
SMALL STREAM Iowa 1987 29 9.8 m
SILVER CREEK Iowa 1961 29 40.5 m
SILVER CREEK Iowa 1930 29 50.3 m
QUINN CREEK Iowa 1997 29 10.1 m
CREEK Iowa 1966 29 21.9 m
CREEK Iowa 1988 29 8.2 m
SMALL DRY RUN Iowa 1988 29 7.6 m
CRANE CREEK Iowa 1911 29 31.1 m
LITTLEFLOOD CREEK Iowa 1987 29 15.5 m
CREEK Iowa 1980 29 10.1 m
SMALL STREAM Iowa 1952 29 12.8 m
OTTER CREEK Iowa 1971 29 9.4 m
#6 DITCH Iowa 1986 29 12.2 m
LITTLE TARKIO TRIB Iowa 1947 29 9.4 m
CREEK Iowa 1974 29 10.7 m
MUNNS CREEK Iowa 1971 29 12.2 m
BRANCH BLACK HAWK CREEK Iowa 1971 29 28.3 m
BRANCH BLACKHAWK CREEK Iowa 1957 29 7.6 m
BRANCH BEAVER CREEK Iowa 1971 29 14.3 m
STREAM Iowa 1957 29 7.6 m
SMALL STREAM Iowa 1982 29 12.5 m
STREAM Iowa 1959 29 6.4 m
SMALL STREAM Iowa 1987 29 18.6 m
RAVEN CREEK Iowa 1940 29 13.1 m
HONEY CREEK Iowa 1982 29 14.3 m
BEAVER CREEK Iowa 1985 29 26.8 m
IOWA RIVER (SOUTH FORK) Iowa 1956 29 31.7 m
SOUTH FORK Iowa 1919 29 14.3 m
OTTER CREEK Iowa 1930 29 29.0 m
SMALL CREEK Iowa 1916 29 9.8 m
HOFFMAN CREEK Iowa 1940 29 25.3 m
LITTLE TURKEY RIVER Iowa 1985 29 16.5 m
SMALL STREAM Iowa 1986 29 16.2 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.