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.