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
ROCK CREEK Iowa 1900 20 15.9 m
N PIERSON CREEK Iowa 1920 20 8.5 m
PITCHER CREEK Iowa 1921 20 8.8 m
CANOE CREEK Iowa 1924 20 18.3 m
WHISKEY CREEK Iowa 1929 20 25.6 m
BLACK HAWK CREEK Iowa 1979 20 67.1 m
MUNNS CREEK Iowa 1957 20 7.3 m
BEAVER CREEK Iowa 1978 20 39.6 m
MIDDLE FORK OF BEAVER CR Iowa 1976 20 11.9 m
STREAM Iowa 1943 20 7.6 m
STREAM Iowa 1975 20 7.3 m
DEER CREEK Iowa 1985 20 28.0 m
SMALL Iowa 1978 20 12.5 m
STREAM Iowa 1957 20 9.4 m
STREAM Iowa 1940 20 7.6 m
S. RACCOON RIVER Iowa 1959 20 28.0 m
S RACCOON RIVER Iowa 1959 20 74.4 m
STREAM Iowa 1959 20 31.4 m
TRIB TO MASON CREEK Iowa 1957 20 7.6 m
TROUBLESOME CREEK Iowa 1957 20 31.1 m
TRIB. TO TROUBLESOME Iowa 1920 20 7.0 m
FROST CREEK Iowa 1959 20 13.4 m
HUNTER CREEK Iowa 1979 20 18.0 m
STREAM Iowa 1977 20 9.8 m
LONG DICK CR Iowa 1924 20 10.1 m
LONG DICK CR Iowa 1916 20 12.2 m
JORDAN CREEK Iowa 1979 20 22.6 m
F0UR MILE CREEK Iowa 1979 20 13.1 m
FORK NORTH CHARITON Iowa 1988 20 12.5 m
CREEK Iowa 1926 20 6.4 m
SALT CREEK Iowa 1940 20 8.2 m
BOONE RIVER Iowa 1969 20 35.1 m
BOONE RIVER Iowa 1925 20 11.3 m
CREEK Iowa 1900 20 9.4 m
SMALL STREAM Iowa 1987 20 12.8 m
TIPTON CREEK Iowa 1900 20 36.6 m
TIPTON CREEK Iowa 1985 20 17.4 m
MOSQUITO CREEK Iowa 1940 20 55.2 m
KEG CREEK Iowa 1957 20 12.8 m
MOSQUITO CREEK Iowa 1930 20 67.7 m
ALLEN CREEK Iowa 1959 20 18.9 m
HONEY CREEK Iowa 1940 20 24.7 m
ALLEN CREEK Iowa 1976 20 20.4 m
CRANE CREEK Iowa 1937 20 41.5 m
INDIAN CREEK Iowa 1900 20 13.7 m
BROKEN KETTLE CREEK Iowa 1959 20 7.6 m
INDIAN CREEK Iowa 1956 20 11.6 m
INDIAN CREEK Iowa 1900 20 9.1 m
SO LIZARD CR DD#22 Iowa 1918 20 11.9 m
LITTLE CEDAR CREEK Iowa 1953 20 21.3 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.