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 |
|---|---|---|---|---|---|
| SUN VALLEY CREEK | Iowa | 1961 | 50 | 18.9 m | |
| FOX RIVER | Iowa | 1955 | 50 | 61.0 m | |
| TRIBUTARY TO FOX RIVER | Iowa | 1970 | 50 | 12.2 m | |
| FOX RIVER | Iowa | 1955 | 50 | 51.2 m | |
| SHANE CREEK | Iowa | 1950 | 50 | 31.1 m | |
| BLUFF CREEK | Iowa | 1948 | 50 | 37.5 m | |
| COTTON CREEK | Iowa | 1974 | 50 | 38.7 m | |
| LITTLE BLUFF CK | Iowa | 1955 | 50 | 13.4 m | |
| STREAM | Iowa | 1947 | 50 | 11.9 m | |
| CREEK | Iowa | 1978 | 50 | 10.4 m | |
| MUCHAKINOCH CREEK | Iowa | 1951 | 50 | 37.5 m | |
| CREEK | Iowa | 1960 | 50 | 10.1 m | |
| BRANCH COAL CREEK | Iowa | 1955 | 50 | 18.0 m | |
| LYTLE CREEK | Iowa | 1977 | 50 | 12.5 m | |
| BRUSH CREEK | Iowa | 1959 | 50 | 21.3 m | |
| SCHOOL CREEK | Iowa | 1933 | 50 | 6.4 m | |
| SO ENGLISH RIVER | Iowa | 1980 | 50 | 12.5 m | |
| SMALL CREEK | Iowa | 1985 | 50 | 7.6 m | |
| DRAINAGE | Iowa | 1964 | 50 | 12.8 m | |
| SKILLET CREEK | Iowa | 1982 | 50 | 18.9 m | |
| EAST RIVER | Iowa | 1952 | 50 | 22.9 m | |
| BR LITTLE WAPSIPINICON R | Iowa | 1986 | 50 | 8.2 m | |
| INDIAN CREEK | Iowa | 1964 | 50 | 32.3 m | |
| MUD CREEK | Iowa | 1939 | 50 | 36.6 m | |
| WILLOW CREEK | Iowa | 1940 | 50 | 14.9 m | |
| SMALL STREAM | Iowa | 1997 | 50 | 9.8 m | |
| GRASS WATERWAY | Iowa | 1954 | 50 | 7.0 m | |
| STREAM | Iowa | 1976 | 50 | 24.1 m | |
| STREAM | Iowa | 1951 | 50 | 27.7 m | |
| BRANCH OF BLACKHAWK CRK | Iowa | 1976 | 50 | 10.1 m | |
| BUFFALO CR | Iowa | 1900 | 50 | 33.5 m | |
| ODEBOLT CREEK | Iowa | 1957 | 50 | 46.6 m | |
| MIDDLE RIVER | Iowa | 1959 | 50 | 38.7 m | |
| MIDDLE RIVER | Iowa | 1962 | 50 | 31.1 m | |
| SOUTH RACOON RIVER | Iowa | 1957 | 50 | 77.1 m | |
| CREEK | Iowa | 1900 | 50 | 10.1 m | |
| STREAM | Iowa | 1977 | 50 | 12.5 m | |
| NE NORWAY CREEK | Iowa | 1949 | 50 | 8.2 m | |
| STREAM | Iowa | 1973 | 50 | 43.3 m | |
| SOUTH RACCOON | Iowa | 1959 | 50 | 45.7 m | |
| PRAIRIE CREEK | Iowa | 1965 | 50 | 13.1 m | |
| TRIB DES MOINES R | Iowa | 1969 | 50 | 18.6 m | |
| ENGLISH RIVER | Iowa | 1957 | 50 | 76.2 m | |
| N SKUNK RIVER | Iowa | 1917 | 49 | 7.9 m | |
| FLOOD CREEK | Iowa | 1900 | 49 | 28.3 m | |
| MAYNES CREEK | Iowa | 1955 | 49 | 59.1 m | |
| MAYNES CREEK | Iowa | 1952 | 49 | 53.6 m | |
| WOLF CREEK | Iowa | 1978 | 49 | 11.9 m | |
| BRANCH BLACKHAWK CRK | Iowa | 1976 | 49 | 9.8 m | |
| CREEK | Iowa | 1956 | 49 | 13.7 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.