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.