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 |
|---|---|---|---|---|---|
| STREAM | Iowa | 1951 | 70 | 37.5 m | |
| CREEK | Iowa | 1900 | 70 | 8.8 m | |
| SLATER CREEK | Iowa | 1927 | 70 | 10.1 m | |
| VOLGA RIVER | Iowa | 1953 | 70 | 17.4 m | |
| UNNAMED CR | Iowa | 1953 | 70 | 9.1 m | |
| PATTERSON CREEK | Iowa | 1938 | 69 | 22.3 m | |
| DEVILS RUN CREEK | Iowa | 1940 | 69 | 8.2 m | |
| POYNER CREEK | Iowa | 1977 | 69 | 25.0 m | |
| CRANE CREEK | Iowa | 1960 | 69 | 55.5 m | |
| ALEXANDER CREEK | Iowa | 1950 | 69 | 19.3 m | |
| BURNETT CREEK | Iowa | 1921 | 69 | 7.6 m | |
| CREEK | Iowa | 1960 | 69 | 10.7 m | |
| SMALL STREAM | Iowa | 1972 | 69 | 7.6 m | |
| STREAM | Iowa | 1892 | 69 | 55.8 m | |
| UNNAMED CREEK | Iowa | 1962 | 69 | 10.4 m | |
| DD 100 131 93 | Iowa | 1967 | 63 | 7.7 m | |
| BEAR CREEK | Iowa | 1914 | 63 | 9.4 m | |
| CRANE CREEK | Iowa | 1920 | 63 | 10.4 m | |
| DRISCALL CREEK | Iowa | 1958 | 63 | 7.3 m | |
| STREAM | Iowa | 1940 | 62 | 7.3 m | |
| CREEK | Iowa | 1980 | 62 | 6.4 m | |
| ROCK RIVER | Iowa | 1900 | 62 | 58.5 m | |
| LIZARD CREEK | Iowa | 1900 | 62 | 23.8 m | |
| MIDDLE AVERY CREEK | Iowa | 1968 | 62 | 38.1 m | |
| BRANCH DES MOINES RIVER | Iowa | 1930 | 62 | 14.0 m | |
| PINNEY CREEK | Iowa | 1900 | 62 | 9.1 m | |
| ELKHORN CREEK | Iowa | 1973 | 62 | 18.3 m | |
| MOON CREEK | Iowa | 1900 | 62 | 6.7 m | |
| TWELVE MILE CREEK | Iowa | 1979 | 62 | 23.8 m | |
| GINGER CREEK | Iowa | 1952 | 62 | 9.8 m | |
| NICHOLS CR | Iowa | 1947 | 62 | 16.2 m | |
| CHERRY CREEK | Iowa | 1979 | 62 | 13.1 m | |
| BR WHITEBREAST CREEK | Iowa | 1966 | 62 | 29.3 m | |
| BRANCH SKUNK RIVER | Iowa | 1970 | 62 | 12.5 m | |
| SMALL STREAM | Iowa | 1918 | 62 | 7.9 m | |
| LITTLE ROCK RIVER | Iowa | 1900 | 62 | 36.6 m | |
| OVER IMRL RR | Iowa | 1970 | 62 | 44.2 m | |
| STREAM | Iowa | 1958 | 62 | 7.6 m | |
| WOLF CREEK | Iowa | 1965 | 62 | 21.0 m | |
| SMALL STREAM | Iowa | 1986 | 62 | 19.2 m | |
| TURKEY CREEK | Iowa | 1974 | 62 | 31.1 m | |
| SMALL STREAM | Iowa | 1900 | 62 | 9.4 m | |
| BOONE RIVER | Iowa | 1902 | 62 | 56.7 m | |
| ROCK CR | Iowa | 1942 | 62 | 10.4 m | |
| TURNER CREEK | Iowa | 1928 | 62 | 6.7 m | |
| INDIAN CREEK | Iowa | 1969 | 62 | 9.1 m | |
| CREEK | Iowa | 1990 | 62 | 11.0 m | |
| SLATER CREEK | Iowa | 1999 | 62 | 8.5 m | |
| REEDS CR | Iowa | 1959 | 62 | 12.8 m | |
| TRIB OF DES MOINES RIVER | Iowa | 1954 | 62 | 8.2 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.