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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1977 | 59 | 14.0 m | |
| TRIB TO BLACK HAWK CREEK | Iowa | 1947 | 59 | 18.0 m | |
| POYNER CREEK | Iowa | 1960 | 59 | 28.7 m | |
| CREEK | Iowa | 1978 | 59 | 6.1 m | |
| DEER CREEK | Iowa | 1950 | 59 | 30.5 m | |
| E.FK WAPSIPINICON RIVER | Iowa | 1955 | 59 | 71.0 m | |
| HORTON CR | Iowa | 1967 | 59 | 29.9 m | |
| SOUTH TIMBER CREEK | Iowa | 1954 | 59 | 37.5 m | |
| HARTGRAVE CK | Iowa | 1952 | 59 | 27.1 m | |
| MINERVA CREEK | Iowa | 1957 | 59 | 26.8 m | |
| SMALL STREAM | Iowa | 1974 | 59 | 15.2 m | |
| BENNETT CREEK | Iowa | 1944 | 59 | 10.4 m | |
| LITTLE WAPSIPINICON | Iowa | 1971 | 59 | 14.6 m | |
| BR E FK WAPSIPINICON RVR | Iowa | 1982 | 59 | 7.6 m | |
| EAST WAPSIPINICON RIVER | Iowa | 1981 | 59 | 35.1 m | |
| TIMBER CREEK | Iowa | 1945 | 59 | 13.1 m | |
| SMALL STREAM | Iowa | 1930 | 59 | 9.1 m | |
| CRANE CREEK | Iowa | 1955 | 59 | 53.3 m | |
| UNNAMED CREEK | Iowa | 1923 | 59 | 6.7 m | |
| NUTTING CR | Iowa | 1917 | 59 | 15.5 m | |
| WINNEBAGO RIVER | Iowa | 1900 | 59 | 46.3 m | |
| LITTLE CEDAR | Iowa | 1967 | 59 | 68.9 m | |
| SMALL STREAM | Iowa | 1965 | 59 | 8.2 m | |
| BRANCH OF WOLF CREEK | Iowa | 1976 | 59 | 9.8 m | |
| DOWD CREEK | Iowa | 1955 | 59 | 21.3 m | |
| BLACK HAWK CREEK | Iowa | 1946 | 59 | 56.4 m | |
| BRANCH SALT CREEK | Iowa | 1968 | 59 | 11.0 m | |
| WEST NODAWAY RIVER | Iowa | 1924 | 58 | 43.9 m | |
| MILLER CREEK | Iowa | 1981 | 58 | 28.7 m | |
| BEER CREEK | Iowa | 1950 | 57 | 7.3 m | |
| SMALL STREAM | Iowa | 1960 | 54 | 18.9 m | |
| STREAM | Iowa | 1995 | 51 | 14.9 m | |
| FOX CREEK | Iowa | 1948 | 51 | 9.1 m | |
| BRANCH PAINTER CREEK | Iowa | 1961 | 51 | 7.3 m | |
| STREAM | Iowa | 1900 | 51 | 7.6 m | |
| STREAM | Iowa | 1952 | 51 | 6.7 m | |
| STREAM | Iowa | 1952 | 51 | 9.4 m | |
| WALNUT CREEK | Iowa | 1971 | 51 | 21.6 m | |
| INDIAN CREEK | Iowa | 1950 | 51 | 39.0 m | |
| LOCAL CREEK | Iowa | 1972 | 51 | 7.3 m | |
| DD 175 | Iowa | 1960 | 51 | 25.0 m | |
| LUICKS CREEK | Iowa | 1979 | 51 | 9.1 m | |
| CREEK | Iowa | 1983 | 51 | 12.2 m | |
| BEAVER CREEK | Iowa | 1987 | 51 | 15.9 m | |
| SMALL | Iowa | 1979 | 51 | 7.3 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1982 | 51 | 21.0 m | |
| PRAIRIE CREEK | Iowa | 1921 | 51 | 6.7 m | |
| SMALL STREAM | Iowa | 1970 | 51 | 13.1 m | |
| HUNTERS BRANCH | Iowa | 1962 | 51 | 9.8 m | |
| TIPTON CREEK | Iowa | 1983 | 51 | 27.1 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.