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 |
|---|---|---|---|---|---|
| BACON CREEK | Iowa | 1900 | 199 | 13.4 m | |
| SEELEY CREEK | Iowa | 1968 | 199 | 39.0 m | |
| CRABAPPLE CREEK | Iowa | 1958 | 199 | 31.4 m | |
| IOWA RIVER | Iowa | 1968 | 199 | 53.3 m | |
| WILLOW CREEK | Iowa | 1924 | 199 | 7.9 m | |
| RAT CREEK | Iowa | 1966 | 199 | 37.8 m | |
| LITTLE BEAVER CREEK | Iowa | 1926 | 199 | 16.5 m | |
| ROCK CREEK | Iowa | 1900 | 199 | 6.1 m | |
| OVERFLOW | Iowa | 1968 | 199 | 30.5 m | |
| WOLF CREEK BRANCH | Iowa | 1914 | 196 | 8.2 m | |
| BRANCH TWELVE MILE CREEK | Iowa | 1967 | 196 | 31.1 m | |
| BRANCH WOLF CREEK | Iowa | 1970 | 196 | 23.5 m | |
| CREEK | Iowa | 1929 | 196 | 12.5 m | |
| LITTLE CEDAR | Iowa | 1965 | 196 | 78.6 m | |
| DRAINAGE | Iowa | 1954 | 195 | 19.8 m | |
| ROCK CREEK OVERFLOW | Iowa | 1953 | 190 | 10.1 m | |
| STREAM | Iowa | 1960 | 190 | 7.3 m | |
| WILLIAMS CREEK | Iowa | 1959 | 190 | 31.4 m | |
| PETERSONS CREEK | Iowa | 1959 | 190 | 31.4 m | |
| TRAIL | Iowa | 1940 | 190 | 42.7 m | |
| CARTER CREEK | Iowa | 1966 | 190 | 16.8 m | |
| CARTER CREEK | Iowa | 1941 | 190 | 12.8 m | |
| SEVEN MILE CREEK | Iowa | 1969 | 190 | 12.5 m | |
| WILLOW CREEK | Iowa | 1962 | 190 | 21.6 m | |
| GREENBRIER CREEK | Iowa | 1971 | 190 | 23.8 m | |
| NODAWAY RIVER | Iowa | 1970 | 190 | 51.8 m | |
| W FK GRAND RIVER | Iowa | 1979 | 190 | 54.6 m | |
| SOLDIER CREEK | Iowa | 1967 | 190 | 10.1 m | |
| EAST NODAWAY RIVER | Iowa | 1960 | 190 | 77.1 m | |
| CREEK | Iowa | 1963 | 190 | 6.4 m | |
| BACON CREEK | Iowa | 1900 | 188 | 11.0 m | |
| SILVER CREEK | Iowa | 1928 | 187 | 10.1 m | |
| DOWD CREEK BRANCH | Iowa | 1966 | 187 | 17.7 m | |
| WOLF CREEK | Iowa | 1966 | 187 | 31.1 m | |
| OVER BNSF RR | Iowa | 1994 | 187 | 78.0 m | |
| MAD CREEK | Iowa | 1924 | 184 | 12.2 m | |
| FLEENER CREEK | Iowa | 1917 | 181 | 7.6 m | |
| KEMP CREEK | Iowa | 1988 | 180 | 43.3 m | |
| BLOOD RUN CREEK | Iowa | 1971 | 180 | 42.1 m | |
| KEMP CREEK | Iowa | 1961 | 180 | 31.4 m | |
| MUCHAKINOCK CREEK | Iowa | 1949 | 180 | 13.1 m | |
| SO LIZARD CK - DD 22 | Iowa | 1969 | 180 | 17.7 m | |
| UNION SLOUGH DITCH | Iowa | 1964 | 180 | 13.4 m | |
| BEAR CREEK | Iowa | 1949 | 180 | 8.2 m | |
| STREAM | Iowa | 1985 | 180 | 25.0 m | |
| E CEDAR CREEK | Iowa | 1970 | 180 | 31.4 m | |
| DRAINAGE | Iowa | 1975 | 180 | 6.7 m | |
| DRAINAGE | Iowa | 1930 | 180 | 8.5 m | |
| INDIAN CREEK | Iowa | 1935 | 179 | 13.4 m | |
| BLACKHAWK CREEK BRANCH | Iowa | 1956 | 177 | 7.6 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.