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
OTTER CREEK Iowa 1972 21 25.0 m
BIG INDIAN CREEK Iowa 1960 21 30.8 m
SLIPPERY ELM HOLLOW Iowa 1966 21 7.3 m
RELIEF Iowa 1961 21 7.3 m
WALNUT CREEK Iowa 1900 21 41.5 m
STREAM Iowa 1965 21 12.2 m
LOST GROVE CREEK Iowa 1914 21 7.0 m
HARDIN CREEK Iowa 1959 21 23.8 m
DR TO ENGLISH CREEK Iowa 1900 21 6.1 m
ELKHORN CREEK Iowa 1958 21 44.5 m
HOLCOMB CREEK Iowa 1975 21 12.5 m
BOONE RIVER Iowa 1927 21 15.5 m
DD #6 Iowa 1970 21 6.4 m
DRAINAGE DITCH #10 Iowa 1994 21 7.6 m
BRANCH OF SILVER CREEK Iowa 1960 21 7.6 m
HONEY CREEK Iowa 1953 21 23.5 m
HONEY CREEK Iowa 1980 21 9.8 m
CREEK Iowa 1991 21 10.7 m
SMALL Iowa 1978 21 13.1 m
BRANCH SUGAR CREEK Iowa 1917 21 7.0 m
DRAINAGE DITCH Iowa 1966 21 7.9 m
CRANE CREEK Iowa 1951 21 24.4 m
BR OF ENGLISH CREEK Iowa 1951 21 6.1 m
BR OF ENGLISH CREEK Iowa 1938 21 6.7 m
RAT CREEK Iowa 1900 21 14.0 m
OVERFLOW Iowa 1900 21 14.3 m
SMALL STREAM Iowa 1900 21 13.7 m
BR DES MOINES RIVER Iowa 1878 21 182.9 m
SOUTH TIMBER CREEK Iowa 1950 21 23.2 m
SNIPE CREEK Iowa 1939 21 7.9 m
DAVISONS CREEK Iowa 1951 21 7.0 m
LINN CREEK Iowa 1916 21 6.4 m
MINERVA CR Iowa 1917 21 7.9 m
LITTLE ASHER CREEK Iowa 1944 21 23.5 m
CREEK Iowa 1947 21 8.2 m
CREEK Iowa 1940 21 7.3 m
N MINERVA CREEK Iowa 1917 21 27.4 m
STREAM Iowa 1900 21 15.2 m
ELK CREEK Iowa 1957 21 16.5 m
CREEK Iowa 1942 21 6.7 m
BARRY CREEK Iowa 1938 21 7.0 m
STREAM Iowa 1944 21 9.1 m
STREAM Iowa 1943 21 9.4 m
SMALL STREAM Iowa 1992 21 12.2 m
WHITE FOX CREEK Iowa 1975 21 21.6 m
STREAM Iowa 1940 21 11.9 m
DD 98 Iowa 1972 21 10.1 m
LIZARD CREEK Iowa 1921 21 19.5 m
DD 21 Iowa 1960 21 9.8 m
DD 175 Iowa 1926 21 16.5 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.