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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
MISS RVR RR & IA 461 Iowa 1940 26,500 1,174.7 m
BNSF RVR STS & IA 376 Iowa 1936 20,600 1,210.1 m
SUGAR CREEK Iowa 1960 18,050 30.8 m
OLD UP RR & SW 22ND Iowa 1936 15,634 73.5 m
DUCK CREEK Iowa 1900 15,300 29.6 m
CHERRY RR MLK PKWY Iowa 1967 14,108 406.6 m
RALSTON CREEK Iowa 1972 14,025 25.3 m
STREAM Iowa 1926 14,000 10.4 m
IOWA 21 Iowa 1963 13,300 41.8 m
RACCOON RIVER & TRAIL Iowa 1967 12,809 346.3 m
DRY CREEK Iowa 1915 10,953 21.3 m
IOWA RIVER Iowa 1915 10,950 104.2 m
INDIAN CREEK Iowa 1988 10,789 69.2 m
LINN CREEK Iowa 1951 10,448 32.0 m
CEDAR RIVER & RR Iowa 1969 10,268 202.4 m
GOOSE CREEK Iowa 1978 10,200 24.7 m
OVER CC RR Iowa 1968 9,703 64.9 m
RR AND MADISON ST Iowa 1951 9,491 488.9 m
CEDAR RIVER Iowa 1938 9,382 200.6 m
FLOYD RIVER Iowa 1962 8,957 91.7 m
DRAINAGE DITCH Iowa 1955 8,894 22.3 m
SOLDIER CREEK Iowa 1974 8,798 89.9 m
DRY RUN CREEK Iowa 1950 8,392 6.7 m
IOWAY CREEK Iowa 1957 8,224 63.4 m
DES MOINES RIVER Iowa 1976 7,911 253.0 m
VIADUCT(RR & STREETS) Iowa 1976 7,488 807.4 m
SHERMANS CREEK Iowa 1914 6,893 12.2 m
DES MOINES RIVER Iowa 1987 6,875 132.9 m
RR CHERRY MLK JR PKWY Iowa 1967 6,875 461.8 m
OVER UP RR Iowa 1980 6,813 85.0 m
GOOSE CREEK Iowa 1978 6,376 24.7 m
MAQUOKETA RIVER Iowa 1980 6,294 64.6 m
S DRY RUN Iowa 1968 6,093 12.8 m
OVER RR Iowa 1984 6,031 77.7 m
SOLDIER CREEK & TRAIL Iowa 1961 5,768 279.8 m
SILVER CREEK Iowa 1955 5,696 64.6 m
SOLDIER CREEK Iowa 1995 5,546 53.3 m
IOWA RIVER Iowa 1916 5,400 96.0 m
LONE TREE CREEK Iowa 1925 5,200 19.5 m
CEDAR RIVER Iowa 1909 4,971 75.6 m
PRAIRIE CREEK Iowa 1964 4,910 66.1 m
YEADER CREEK Iowa 1976 4,717 35.4 m
RALSTON CREEK Iowa 1935 4,693 18.9 m
OVER IAIS RR Iowa 1970 4,688 59.1 m
BASS CREEK Iowa 1958 4,680 34.1 m
FLOYD RIVER Iowa 1962 4,432 106.4 m
W FORK LITTLE SIOUX RVR Iowa 1929 4,310 20.4 m
DUCK CREEK Iowa 1962 4,210 38.1 m
PRAIRIE CREEK Iowa 1964 4,121 68.9 m
I-29 Iowa 1959 4,090 75.6 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.

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