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.