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 |
|---|---|---|---|---|---|
| CRANE CREEK | Iowa | 1964 | 49 | 25.3 m | |
| QUARTER SECTION RUN CR | Iowa | 1992 | 49 | 9.8 m | |
| SMALL STREAM | Iowa | 1964 | 49 | 78.9 m | |
| KIBBE CREEK | Iowa | 1991 | 49 | 12.2 m | |
| UPPER IOWA RIVER | Iowa | 1900 | 49 | 59.7 m | |
| STREAM | Iowa | 1981 | 49 | 9.4 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1975 | 49 | 31.7 m | |
| PLUM CREEK | Iowa | 1900 | 49 | 8.5 m | |
| SMALL STREAM | Iowa | 1956 | 49 | 13.4 m | |
| NORTH BEAR CREEK | Iowa | 1900 | 49 | 9.1 m | |
| STREAM | Iowa | 1975 | 49 | 23.8 m | |
| UNAMED CR | Iowa | 1917 | 49 | 7.6 m | |
| CANOE CREEK | Iowa | 1908 | 49 | 46.9 m | |
| QUINN CR | Iowa | 1917 | 49 | 26.5 m | |
| UNNAMED CREEK | Iowa | 1916 | 49 | 21.0 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 | |
| N SKUNK RIVER | Iowa | 1917 | 49 | 7.9 m | |
| WOLF CREEK | Iowa | 1978 | 49 | 11.9 m | |
| BRANCH BLACKHAWK CRK | Iowa | 1976 | 49 | 9.8 m | |
| IOWA RIVER | Iowa | 1952 | 49 | 99.1 m | |
| INDIAN CREEK | Iowa | 1940 | 49 | 8.2 m | |
| DRAINAGE | Iowa | 1930 | 48 | 36.6 m | |
| ELK CREEK | Iowa | 1976 | 48 | 12.5 m | |
| TURKEY RIVER | Iowa | 1987 | 48 | 7.9 m | |
| STREAM | Iowa | 1981 | 48 | 38.4 m | |
| HONEY CREEK | Iowa | 1925 | 47 | 25.6 m | |
| ELK CREEK | Iowa | 1962 | 47 | 13.1 m | |
| SMALL STREAM | Iowa | 1943 | 47 | 10.4 m | |
| PRAIRIE CREEK | Iowa | 1950 | 47 | 13.1 m | |
| LITTLE LICK CREEK | Iowa | 1972 | 47 | 19.2 m | |
| BRUSH CREEK | Iowa | 1977 | 47 | 11.0 m | |
| BRUSH CREEK | Iowa | 1917 | 47 | 16.5 m | |
| SPRING CREEK | Iowa | 1991 | 47 | 7.6 m | |
| CREEK | Iowa | 1953 | 47 | 14.3 m | |
| CREEK | Iowa | 1975 | 47 | 7.6 m | |
| SMALL | Iowa | 1983 | 47 | 7.6 m | |
| LITTLE TURKEY | Iowa | 1969 | 47 | 7.3 m | |
| MUD CREEK | Iowa | 1954 | 47 | 46.6 m | |
| LOCAL STREAM | Iowa | 1957 | 47 | 17.4 m | |
| PRAIRIE CREEK | Iowa | 1923 | 47 | 10.4 m | |
| CREEK | Iowa | 1900 | 47 | 7.6 m | |
| BR OF WHITEBREAST CREEK | Iowa | 1951 | 47 | 17.4 m | |
| BYERS BRANCH CREEK | Iowa | 1924 | 47 | 11.6 m | |
| CREEK | Iowa | 1918 | 47 | 9.8 m | |
| BURNETT CR | Iowa | 1979 | 47 | 6.1 m | |
| ARGO SLOUGH | Iowa | 1900 | 46 | 14.0 m | |
| CEDAR CREEK | Iowa | 1952 | 46 | 25.3 m | |
| SMALL STREAM | Iowa | 1900 | 46 | 6.1 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.