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 |
|---|---|---|---|---|---|
| JACKSON CREEK | Iowa | 1987 | 26 | 24.1 m | |
| MILL CREEK | Iowa | 1959 | 26 | 21.3 m | |
| #6 DITCH | Iowa | 1976 | 26 | 9.8 m | |
| LOCAL STREAM | Iowa | 1964 | 26 | 27.7 m | |
| MILL CREEK | Iowa | 1957 | 26 | 33.8 m | |
| POSSUM CREEK | Iowa | 1960 | 26 | 9.8 m | |
| SMALL STREAM | Iowa | 1940 | 26 | 11.9 m | |
| BUTTRICKS CREEK | Iowa | 1957 | 26 | 39.0 m | |
| DD 102 | Iowa | 1977 | 26 | 10.1 m | |
| STREAM | Iowa | 1958 | 26 | 31.1 m | |
| DD #102 | Iowa | 1978 | 26 | 10.1 m | |
| STREAM | Iowa | 1956 | 26 | 23.5 m | |
| STREAM | Iowa | 1957 | 26 | 30.8 m | |
| AVERY CREEK | Iowa | 1967 | 26 | 31.4 m | |
| BRANCH BLACK HAWK CREEK | Iowa | 1971 | 26 | 17.7 m | |
| BRANCH BLACK HAWK CREEK | Iowa | 1963 | 26 | 9.4 m | |
| BRANCH BLACKHAWK CREEK | Iowa | 1971 | 26 | 21.3 m | |
| BUTTRICK CREEK | Iowa | 1913 | 26 | 10.7 m | |
| BROKEN KETTLE CREEK | Iowa | 1952 | 26 | 7.3 m | |
| SOUTH RACCOON | Iowa | 1957 | 26 | 38.7 m | |
| SMALL STREAM | Iowa | 1976 | 26 | 9.4 m | |
| BEAVER CREEK | Iowa | 1900 | 26 | 21.0 m | |
| STREAM | Iowa | 1940 | 26 | 18.9 m | |
| SMALL CREEK | Iowa | 1920 | 26 | 9.4 m | |
| SMALL | Iowa | 1979 | 26 | 12.2 m | |
| SMALL | Iowa | 1980 | 26 | 9.4 m | |
| LIZARD CREEK | Iowa | 1957 | 26 | 21.3 m | |
| SMALL CREEK | Iowa | 1934 | 26 | 21.9 m | |
| SMALL STREAM | Iowa | 1984 | 26 | 10.7 m | |
| TRIB DES MOINES R | Iowa | 1912 | 26 | 11.0 m | |
| KEIGLEY CREEK | Iowa | 1949 | 26 | 12.8 m | |
| DRAINAGE DITCH | Iowa | 1923 | 26 | 12.8 m | |
| BOONE RIVER | Iowa | 1924 | 26 | 55.5 m | |
| WEST IOWA RIVER | Iowa | 1957 | 26 | 29.0 m | |
| BOONE RIVER | Iowa | 1967 | 26 | 17.7 m | |
| SMALL STREAM | Iowa | 1971 | 26 | 17.4 m | |
| WEST IOWA RIVER | Iowa | 1956 | 26 | 13.7 m | |
| BUFFALO CREEK | Iowa | 1975 | 26 | 15.2 m | |
| CREEK | Iowa | 1986 | 26 | 14.3 m | |
| CREEK | Iowa | 1972 | 26 | 9.8 m | |
| HONEY CREEK | Iowa | 1986 | 26 | 18.3 m | |
| TILTON CREEK | Iowa | 1981 | 26 | 10.4 m | |
| DRAINAGE | Iowa | 1976 | 26 | 13.7 m | |
| SMALL STREAM | Iowa | 1983 | 26 | 9.8 m | |
| PIGEON CREEK | Iowa | 1955 | 26 | 18.3 m | |
| BIG CEDAR CK DD #41 | Iowa | 1964 | 26 | 14.0 m | |
| SPRING CREEK | Iowa | 1920 | 26 | 10.1 m | |
| BRANCH SUGAR CREEK | Iowa | 1922 | 26 | 7.9 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1984 | 26 | 14.3 m | |
| UPPER IOWA RIVER | Iowa | 1880 | 26 | 34.7 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.