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
BLUE EARTH RIVER Iowa 1924 938 13.1 m
INDIAN CREEK Iowa 1969 938 31.4 m
SMALL STREAM Iowa 1980 937 7.6 m
BRANCH YELLOW RIVER Iowa 1999 933 27.7 m
LITTLE INDIAN CREEK Iowa 1968 928 7.9 m
SMITH CREEK Iowa 1928 920 22.3 m
EAST FORK CROOKED CREEK Iowa 1970 910 54.6 m
N TIMBER CREEK Iowa 1963 903 16.5 m
FRENCH CREEK Iowa 1962 899 23.8 m
W FORK LITTLE SIOUX Iowa 1968 898 15.2 m
FOX RIVER Iowa 1962 890 70.1 m
LANDPHERE CREEK Iowa 1972 890 31.4 m
PECHMAN CREEK Iowa 1974 880 13.1 m
LONG BRANCH CREEK Iowa 1967 880 15.9 m
DES MOINES RIVER Iowa 1957 880 379.5 m
BR OF ENGLISH CREEK Iowa 1963 880 31.4 m
DRAINAGE DITCH #52 Iowa 1953 880 9.8 m
OVER-FLOW-NORTH RIVER Iowa 1970 880 23.8 m
HURLEY CREEK Iowa 1973 875 18.3 m
WEST FORK CEDAR RIVER Iowa 1964 874 84.1 m
CREEK Iowa 1962 870 6.1 m
SMALL STREAM Iowa 1962 869 15.5 m
RED OAK CREEK Iowa 1965 861 13.4 m
BUCK CREEK Iowa 1958 854 47.5 m
SMALL NATURAL STREAM Iowa 1947 854 9.4 m
SMALL NATURAL STREAM Iowa 1948 854 13.4 m
NORTH SOAP CREEK Iowa 1968 850 55.5 m
BOYER RIVER Iowa 1956 848 31.4 m
DUGOUT CREEK Iowa 1970 843 27.7 m
AURELIA CREEK Iowa 1939 841 10.7 m
DRAINAGE DITCH 2 Iowa 1969 840 23.5 m
SNAKE CREEK Iowa 1962 837 32.3 m
NICHOLSON CREEK Iowa 1960 836 22.9 m
PRAIRIE CREEK Iowa 1969 835 24.1 m
MISSISSIPPI SLOUGH Iowa 1957 832 9.4 m
BUTCHER CREEK Iowa 1952 830 19.5 m
W BRANCH IOWA RIVER Iowa 1948 828 28.0 m
MINK CREEK Iowa 1957 825 46.7 m
SANDHAGEN CREEK Iowa 1965 825 23.8 m
PRAIRIE CREEK Iowa 1960 820 6.4 m
OTTER CREEK Iowa 1963 820 46.9 m
EAGLE CREEK Iowa 1963 818 20.7 m
FLOYD RIVER Iowa 1954 813 84.1 m
S SKUNK RIVER Iowa 1961 810 107.0 m
CARSON CREEK Iowa 1964 810 31.4 m
S RIVER Iowa 1949 807 70.7 m
RAILROAD CREEK Iowa 1900 803 13.1 m
DRAINAGE DITCH Iowa 1948 803 6.4 m
FRENCH CREEK Iowa 1962 800 23.8 m
PLATTE RIVER Iowa 1976 800 37.5 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.