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 | 1975 | 15 | 50.0 m | |
| HONEY CREEK | Iowa | 1960 | 15 | 18.3 m | |
| STREAM | Iowa | 1950 | 15 | 17.1 m | |
| BR UPPER IOWA RIVER | Iowa | 1951 | 15 | 18.6 m | |
| STAFF CR | Iowa | 1944 | 15 | 26.8 m | |
| DRAINAGE DITCH | Iowa | 1948 | 15 | 7.3 m | |
| PRAIRIE CREEK | Iowa | 1900 | 15 | 20.7 m | |
| W BRANCH 102 RIVER | Iowa | 1920 | 15 | 13.4 m | |
| DD | Iowa | 1960 | 15 | 7.6 m | |
| WILLOW CREEK | Iowa | 1949 | 15 | 29.0 m | |
| WOLF CREEK | Iowa | 1975 | 15 | 15.2 m | |
| INDIAN CREEK | Iowa | 1900 | 15 | 12.8 m | |
| DD | Iowa | 1976 | 15 | 10.1 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 | |
| CREEK | Iowa | 1972 | 15 | 13.4 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 | |
| STREAM | Iowa | 1993 | 15 | 18.0 m | |
| HONEY CREEK | Iowa | 1962 | 15 | 15.2 m | |
| STREAM | Iowa | 1916 | 15 | 19.8 m | |
| SMALL CREEK | Iowa | 1982 | 15 | 19.5 m | |
| EAST 102 RIVER | Iowa | 1967 | 15 | 46.9 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 | |
| WALNUT CREEK | Iowa | 1956 | 15 | 19.8 m | |
| WEST 102 RIVER | Iowa | 1955 | 15 | 12.2 m | |
| SMALL | Iowa | 1980 | 15 | 19.8 m | |
| SAND CREEK | Iowa | 1958 | 15 | 20.1 m | |
| PLATTE BRANCH | Iowa | 1900 | 15 | 35.4 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 |
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.