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
MUD CREEK Iowa 1969 709 39.0 m
LITTLE ROCK RIVER Iowa 1954 709 61.0 m
CREEK Iowa 1966 707 6.7 m
LITTLE WAPSIPINICON RVR Iowa 1968 707 55.5 m
RAILROAD CREEK Iowa 1900 699 10.4 m
DD # 77 NO LIZARD CK Iowa 1973 698 27.7 m
KEG CREEK Iowa 1951 698 51.2 m
SKUNK RIVER Iowa 1974 698 46.0 m
SMALL CREEK Iowa 1986 697 9.1 m
LUTES CREEK Iowa 1957 697 33.2 m
TROUT RIVER Iowa 1958 697 7.3 m
ENGLISH RIVER Iowa 1958 690 63.7 m
LONG CREEK Iowa 1966 690 9.1 m
LONG CREEK Iowa 1966 690 8.8 m
ABANDON RR Iowa 1977 689 57.0 m
MUD CREEK Iowa 1968 688 38.4 m
TIPTON CR Iowa 1974 687 34.1 m
BLOODY RUN CREEK Iowa 1927 687 12.5 m
BLACK HAWK CREEK Iowa 1979 687 68.9 m
BEAVERDAM CREEK Iowa 1969 687 53.6 m
BEAVER DAM CREEK Iowa 1961 687 30.5 m
DRAINAGE Iowa 1900 684 12.2 m
INDIAN CREEK Iowa 1936 684 8.8 m
DRAINAGE Iowa 1972 680 39.0 m
NEELY BRANCH Iowa 1962 678 47.9 m
BRANCH IOWA RIVER Iowa 1965 678 13.4 m
FLINT RIVER Iowa 1974 670 58.5 m
JIM CREEK Iowa 1948 668 46.6 m
FLOOD CREEK Iowa 1930 668 28.0 m
SMALL STREAM Iowa 1960 660 6.4 m
LITTLE CEDAR CREEK Iowa 1968 658 31.4 m
NORTH WALNUT CREEK Iowa 1990 650 35.4 m
WALNUT CREEK Iowa 1990 650 41.1 m
BRUSHY FORK CREEK Iowa 1964 650 10.4 m
LITTLE CEDAR CREEK Iowa 1972 650 39.3 m
PLAGUE MINE CREEK Iowa 1976 650 25.3 m
SALT CREEK Iowa 1976 650 87.8 m
SUGAR CREEK Iowa 1976 650 39.0 m
INDIAN CREEK Iowa 1967 649 22.9 m
SMALL NATURAL STREAM Iowa 1940 649 8.5 m
BEAR CREEK Iowa 1951 648 47.2 m
SMALL NATURAL STREAM Iowa 1959 643 9.4 m
SUGAR CREEK Iowa 1960 640 7.0 m
SOAP CREEK Iowa 1956 640 61.3 m
OSCAR CREEK Iowa 1917 640 7.9 m
DRAINAGE DITCH Iowa 1959 639 29.0 m
STREAM Iowa 1966 638 13.1 m
MUDDY CREEK Iowa 1967 628 7.9 m
WHISKEY CREEK Iowa 1967 628 31.4 m
DRAINAGE Iowa 1973 628 10.1 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.