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.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| BR NORTH CEDAR CREEK | Iowa | 1951 | 26 | 7.3 m | |
| LITTLE WHITEBREAST CREEK | Iowa | 1969 | 26 | 29.3 m | |
| WOLF CREEK | Iowa | 1949 | 26 | 19.2 m | |
| CARRUTHERS CREEK | Iowa | 1939 | 26 | 16.5 m | |
| WILLOW CR | Iowa | 1919 | 26 | 6.4 m | |
| OTTER CREEK | Iowa | 1910 | 26 | 25.0 m | |
| BIG CEDAR CK DD #41 | Iowa | 1964 | 26 | 14.0 m | |
| RAT CREEK | Iowa | 1954 | 26 | 23.2 m | |
| ALLEN CREEK | Iowa | 1900 | 26 | 14.3 m | |
| LITTLE OTTER CREEK | Iowa | 1900 | 26 | 27.4 m | |
| OVERFLOW | Iowa | 1900 | 26 | 13.7 m | |
| EMERY CREEK | Iowa | 1900 | 26 | 14.0 m | |
| TRIB DES MOINES R | Iowa | 1912 | 26 | 11.0 m | |
| ARGO SLOUGH | Iowa | 1900 | 26 | 9.8 m | |
| TAFT CREEK | Iowa | 1900 | 26 | 9.1 m | |
| D D #71 | Iowa | 1930 | 26 | 7.6 m | |
| SMALL STREAM | Iowa | 1900 | 26 | 9.1 m | |
| WILLOW CREEK | Iowa | 1900 | 26 | 9.1 m | |
| STREAM | Iowa | 1953 | 26 | 31.4 m | |
| WILLOW CREEK | Iowa | 1935 | 26 | 26.2 m | |
| RACCOON RIVER | Iowa | 1930 | 26 | 28.0 m | |
| DRAINAGE | Iowa | 1948 | 26 | 12.2 m | |
| CEDAR CREEK | Iowa | 1966 | 26 | 11.0 m | |
| NORTH RIVER | Iowa | 1909 | 26 | 30.5 m | |
| CAMP CREEK | Iowa | 1914 | 26 | 16.2 m | |
| DRAINAGE | Iowa | 1960 | 26 | 7.0 m | |
| TOM CREEK | Iowa | 1930 | 26 | 27.4 m | |
| CEDAR CREEK | Iowa | 1973 | 26 | 17.4 m | |
| SMALL STREAM | Iowa | 1983 | 26 | 9.8 m | |
| STREAM | Iowa | 1955 | 26 | 12.8 m | |
| DRY BRANCH | Iowa | 1941 | 26 | 12.8 m | |
| BRANCH N SKUNK RIVER | Iowa | 1940 | 26 | 7.0 m | |
| CLEAR CREEK | Iowa | 1941 | 26 | 11.9 m | |
| JORDAN CREEK | Iowa | 1967 | 26 | 23.8 m | |
| MINERVA CR | Iowa | 1949 | 26 | 13.1 m | |
| MINERVA CR | Iowa | 1950 | 26 | 12.8 m | |
| WHITE FOX CREEK | Iowa | 1968 | 26 | 16.8 m | |
| BR MINERVA CR | Iowa | 1984 | 26 | 7.9 m | |
| MUD CREEK | Iowa | 1985 | 26 | 11.3 m | |
| HUNTERS BRANCH | Iowa | 1965 | 26 | 24.7 m | |
| CAVITT CREEK | Iowa | 1960 | 26 | 26.2 m | |
| MOSQUITO CREEK | Iowa | 1930 | 26 | 60.7 m | |
| INDIAN CREEK | Iowa | 1940 | 26 | 24.7 m | |
| OCHEYEDAN RIVER | Iowa | 1900 | 26 | 26.2 m | |
| MUD CREEK | Iowa | 1940 | 26 | 30.5 m | |
| MCCANDLESS CLEGHORN | Iowa | 1976 | 26 | 10.1 m | |
| LOCAL STREAM | Iowa | 1964 | 26 | 27.7 m | |
| AVERY CREEK | Iowa | 1967 | 26 | 31.4 m | |
| SMALL STREAM | Iowa | 1927 | 26 | 6.7 m | |
| WEST FORK CROOKED CREEK | Iowa | 1949 | 26 | 14.3 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.