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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1956 | 60 | 9.1 m | |
| BRANCH WEST CREEK | Iowa | 1980 | 60 | 7.9 m | |
| BEAVER CREEK | Iowa | 2004 | 60 | 35.4 m | |
| CREEK | Iowa | 1980 | 60 | 7.9 m | |
| STREAM | Iowa | 1954 | 60 | 6.1 m | |
| TRIB. TO TROUBLESOME | Iowa | 1920 | 60 | 7.0 m | |
| STREAM | Iowa | 1967 | 60 | 9.4 m | |
| W FORK GRAND RIVER | Iowa | 1950 | 60 | 45.1 m | |
| DRAINAGE | Iowa | 1960 | 60 | 10.1 m | |
| GREYS CREEK | Iowa | 1965 | 60 | 7.9 m | |
| STREAM | Iowa | 1952 | 60 | 17.4 m | |
| DEEP CREEK | Iowa | 1958 | 60 | 36.6 m | |
| WILLOW CREEK | Iowa | 1941 | 60 | 7.0 m | |
| MIDDLE MINERVA CREEK | Iowa | 1953 | 60 | 18.9 m | |
| N WYACONDAH CREEK | Iowa | 1940 | 60 | 11.6 m | |
| WEST BR INDIAN CREEK | Iowa | 1938 | 60 | 24.7 m | |
| STREAM | Iowa | 1957 | 60 | 13.1 m | |
| SMALL STREAM | Iowa | 1954 | 60 | 61.0 m | |
| WOLF CREEK | Iowa | 1976 | 60 | 7.9 m | |
| DAUGHERTY CREEK | Iowa | 1953 | 60 | 12.2 m | |
| STREAM | Iowa | 1940 | 60 | 7.3 m | |
| POT HOLE CREEK | Iowa | 1957 | 60 | 13.4 m | |
| STREAM | Iowa | 1957 | 60 | 17.4 m | |
| MUD CREEK | Iowa | 1960 | 60 | 39.0 m | |
| WILLOW CREEK | Iowa | 1946 | 60 | 16.2 m | |
| BRUSH CREEK | Iowa | 1980 | 60 | 22.3 m | |
| TRIB OF LITTLE RIVER | Iowa | 1969 | 60 | 24.4 m | |
| BALLARD CREEK | Iowa | 1920 | 60 | 10.4 m | |
| LITTLE TARKIO TRIB | Iowa | 1947 | 60 | 11.6 m | |
| BEAR CREEK | Iowa | 1950 | 60 | 36.9 m | |
| DD #13 | Iowa | 1971 | 60 | 6.7 m | |
| LONG CREEK | Iowa | 1950 | 60 | 37.2 m | |
| SMALL STREAM | Iowa | 1949 | 60 | 10.7 m | |
| COTTONWOOD DRAIN | Iowa | 1953 | 60 | 22.9 m | |
| E NISHNABOTNA RIVER | Iowa | 1958 | 60 | 91.4 m | |
| BROWN CR | Iowa | 1961 | 60 | 9.4 m | |
| SNAKE CREEK | Iowa | 1979 | 60 | 41.5 m | |
| JONES CREEK | Iowa | 1953 | 60 | 30.5 m | |
| TARKIO CREEK | Iowa | 1956 | 60 | 54.3 m | |
| JORDAN CREEK | Iowa | 1954 | 60 | 39.3 m | |
| SMALL CREEK | Iowa | 2000 | 60 | 6.1 m | |
| SMALL | Iowa | 1976 | 60 | 13.1 m | |
| STREAM | Iowa | 1920 | 60 | 8.8 m | |
| CEDAR CREEK | Iowa | 1952 | 60 | 92.4 m | |
| BRANCH IOWA RIVER | Iowa | 1988 | 60 | 12.2 m | |
| SILVER CREEK | Iowa | 1958 | 59 | 17.7 m | |
| TIMBER CREEK | Iowa | 1945 | 59 | 13.1 m | |
| SOUTH TIMBER CREEK | Iowa | 1954 | 59 | 37.5 m | |
| SMALL STREAM | Iowa | 1980 | 59 | 7.9 m | |
| CRANE CREEK | Iowa | 1955 | 59 | 53.3 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.