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 |
|---|---|---|---|---|---|
| WILLOW CREEK | Iowa | 1949 | 15 | 29.0 m | |
| INDIAN CREEK | Iowa | 1900 | 15 | 12.8 m | |
| PILOT CK | Iowa | 1972 | 15 | 20.4 m | |
| JORDAN CREEK | Iowa | 1968 | 15 | 39.9 m | |
| SECOND CREEK | Iowa | 1949 | 15 | 19.2 m | |
| SOUTH ENGLISH RIVER | Iowa | 1984 | 15 | 12.5 m | |
| STREAM | Iowa | 1929 | 15 | 8.2 m | |
| DEEP RIVER | Iowa | 1961 | 15 | 14.3 m | |
| N ENGLISH RIVER | Iowa | 1924 | 15 | 10.1 m | |
| SUGAR CREEK | Iowa | 1982 | 15 | 11.0 m | |
| SMALL STREAM | Iowa | 1948 | 15 | 6.7 m | |
| STONY CREEK | Iowa | 1971 | 15 | 11.6 m | |
| STREAM | Iowa | 1959 | 15 | 7.3 m | |
| SMALL | Iowa | 1978 | 15 | 7.6 m | |
| WALNUT CREEK | Iowa | 1924 | 15 | 19.5 m | |
| WALNUT CREEK | Iowa | 1928 | 15 | 10.1 m | |
| STREAM | Iowa | 1973 | 15 | 7.3 m | |
| CREEK | Iowa | 1974 | 15 | 17.4 m | |
| STREAM | Iowa | 1993 | 15 | 18.0 m | |
| STREAM | Iowa | 1916 | 15 | 19.8 m | |
| SMALL CREEK | Iowa | 1982 | 15 | 19.5 m | |
| STREAM | Iowa | 1930 | 15 | 7.3 m | |
| E FK GRAND RIVER | Iowa | 1970 | 15 | 27.4 m | |
| E FK GRAND RIVER | Iowa | 1958 | 15 | 39.0 m | |
| STREAM | Iowa | 1930 | 15 | 13.1 m | |
| BROKEN KETTLE CK | Iowa | 1900 | 15 | 9.8 m | |
| WALNUT CREEK | Iowa | 1956 | 15 | 19.8 m | |
| SAND CREEK | Iowa | 1958 | 15 | 20.1 m | |
| WEST PLATTE RIVER | Iowa | 1900 | 15 | 16.2 m | |
| SMALL STREAM | Iowa | 1974 | 15 | 9.8 m | |
| BOYER RIVER | Iowa | 1931 | 15 | 46.3 m | |
| ODEBOLT CREEK | Iowa | 1981 | 15 | 17.7 m | |
| SMALL STREAM | Iowa | 1923 | 15 | 11.6 m | |
| SMALL STREAM | Iowa | 1980 | 15 | 19.5 m | |
| STREAM | Iowa | 1960 | 15 | 9.8 m | |
| SMALL STREAM | Iowa | 1976 | 15 | 12.8 m | |
| SMALL | Iowa | 1988 | 15 | 7.0 m | |
| DYE CREEK | Iowa | 1939 | 15 | 24.4 m | |
| SMALL STREAM | Iowa | 1991 | 15 | 9.4 m | |
| WEST BR INDIAN CREEK | Iowa | 1900 | 15 | 8.5 m | |
| HARDIN-STORY DD 1 | Iowa | 1900 | 15 | 12.8 m | |
| EAST BR INDIAN CREEKH | Iowa | 1919 | 15 | 6.1 m | |
| KEIGLEY BRANCH | Iowa | 1900 | 15 | 18.3 m | |
| DRAINAGE | Iowa | 1966 | 15 | 7.3 m | |
| NORTH WALNUT CREEK | Iowa | 1930 | 15 | 11.3 m | |
| BRANCH NORTH WOLF CREEK | Iowa | 1950 | 15 | 12.8 m | |
| WOLF CREEK | Iowa | 1975 | 15 | 15.2 m | |
| SALT CREEK | Iowa | 1910 | 15 | 15.9 m | |
| PLATTE BRANCH | Iowa | 1900 | 15 | 35.4 m | |
| HONEY CREEK | Iowa | 1962 | 15 | 15.2 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.