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 Iowa 1977 50 7.9 m
MILL CREEK Iowa 1924 50 31.1 m
DEEP CREEK Iowa 1953 50 28.7 m
SMALL CREEK Iowa 1900 50 18.9 m
N BR NORTH RIVER Iowa 1915 50 38.1 m
NO LIZARD CK DD #168 Iowa 1960 50 8.8 m
PURCELL CREEK Iowa 1975 50 7.9 m
STREAM Iowa 1967 50 12.8 m
TURKEY RUN Iowa 1948 50 12.8 m
S RIVER Iowa 1966 50 101.2 m
WATERWAY Iowa 1958 50 13.7 m
STREAM Iowa 1984 50 12.2 m
LONE TREE BRANCH Iowa 1987 50 15.2 m
CREEK Iowa 1978 50 10.4 m
GRASS WATERWAY Iowa 1954 50 7.0 m
CREEK Iowa 1956 50 39.0 m
BR LITTLE WAPSIPINICON R Iowa 1986 50 8.2 m
CREEK Iowa 1960 50 10.1 m
ROCK RUN CR Iowa 1920 50 19.5 m
ROCK RUN CREEK Iowa 1974 50 11.9 m
ROCK CR Iowa 1946 50 55.8 m
BR GOWER CR Iowa 1924 50 7.9 m
MUD CREEK Iowa 1939 50 36.6 m
BR MILL CR Iowa 1925 50 8.2 m
PRAIRIE CREEK Iowa 1965 50 13.1 m
SMALL STREAM Iowa 1997 50 9.8 m
SAND CREEK Iowa 1963 50 13.7 m
SKILLET CREEK Iowa 1982 50 18.9 m
BRANCH COAL CREEK Iowa 1955 50 18.0 m
ROCK CREEK Iowa 1963 50 25.3 m
CREEK Iowa 1955 50 7.0 m
BALLARD CREEK Iowa 1953 50 7.6 m
LYTLE CREEK Iowa 1977 50 12.5 m
SCHOOL CREEK Iowa 1933 50 6.4 m
BIG BEAR CREEK Iowa 1950 50 55.5 m
SUGAR CREEK Iowa 1923 50 7.0 m
STREAM Iowa 1951 50 27.7 m
LOST BRANCH CREEK Iowa 1984 50 31.4 m
BLUFF CREEK Iowa 1948 50 37.5 m
MUCHAKINOCH CREEK Iowa 1951 50 37.5 m
ROCK CREEK Iowa 1973 50 7.6 m
BRANCH OF BLACKHAWK CRK Iowa 1976 50 10.1 m
MIDDLE RIVER Iowa 1959 50 38.7 m
MIDDLE RIVER Iowa 1962 50 31.1 m
TRIB DES MOINES R Iowa 1969 50 18.6 m
SOUTH RACOON RIVER Iowa 1957 50 77.1 m
STREAM Iowa 1977 50 12.5 m
STREAM Iowa 1973 50 43.3 m
SOUTH RACCOON Iowa 1959 50 45.7 m
MUD CREEK Iowa 1920 50 46.6 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.