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 |
|---|---|---|---|---|---|
| DRAINAGE DITCH 36 | Iowa | 1980 | 30 | 13.4 m | |
| STREAM | Iowa | 1917 | 30 | 10.4 m | |
| SMALL STREAM | Iowa | 1985 | 30 | 11.9 m | |
| SMALL STREAM | Iowa | 1923 | 30 | 7.3 m | |
| LONG DICK CREEK | Iowa | 1924 | 30 | 13.7 m | |
| DRAINAGE DITCH | Iowa | 1923 | 30 | 15.2 m | |
| STREAM | Iowa | 1931 | 30 | 7.9 m | |
| DRAINAGE DITCH | Iowa | 1919 | 30 | 9.8 m | |
| DRAINAGE DITCH NO. 3 | Iowa | 1913 | 30 | 6.7 m | |
| SMALL STREAM | Iowa | 1932 | 30 | 9.1 m | |
| CREEK | Iowa | 1900 | 30 | 14.9 m | |
| CREEK | Iowa | 1900 | 30 | 6.7 m | |
| MINERVA CREEK | Iowa | 1984 | 30 | 15.9 m | |
| SMALL STREAM | Iowa | 1975 | 30 | 12.2 m | |
| TIPTON CREEK | Iowa | 1984 | 30 | 21.3 m | |
| HONEY CREEK | Iowa | 1988 | 30 | 18.0 m | |
| STREAM | Iowa | 1981 | 30 | 9.8 m | |
| DRAINAGE | Iowa | 1954 | 30 | 7.6 m | |
| BUCK CREEK | Iowa | 1957 | 30 | 12.8 m | |
| BERRY BRANCH | Iowa | 1974 | 30 | 12.5 m | |
| LYNN CREEK | Iowa | 1974 | 30 | 13.1 m | |
| TURKEY RIVER | Iowa | 1986 | 30 | 9.8 m | |
| NORTH TURKEY | Iowa | 1966 | 30 | 10.4 m | |
| BROKEN KETTLE CREEK | Iowa | 1900 | 30 | 14.9 m | |
| DM RIVER | Iowa | 1905 | 30 | 66.1 m | |
| DRAINAGE | Iowa | 1900 | 30 | 10.1 m | |
| STREAM | Iowa | 1965 | 30 | 12.2 m | |
| PICAYUNE CREEK | Iowa | 1934 | 30 | 10.4 m | |
| SUGAR CREEK | Iowa | 1929 | 30 | 10.4 m | |
| BIG INDIAN CREEK | Iowa | 1967 | 30 | 28.0 m | |
| WEST BRANCH SUGAR CREEK | Iowa | 1934 | 30 | 10.4 m | |
| OTTER CREEK | Iowa | 1920 | 30 | 31.1 m | |
| SMALL STREAM | Iowa | 1960 | 30 | 17.4 m | |
| BRANCH N TIMBER CREEK | Iowa | 1920 | 30 | 7.6 m | |
| NORTH TIMBER CREEK | Iowa | 1951 | 30 | 13.1 m | |
| SMALL STREAM | Iowa | 1900 | 30 | 6.4 m | |
| SMALL STREAM | Iowa | 1943 | 30 | 13.7 m | |
| SOUTH ENGLISH RIVER | Iowa | 1990 | 30 | 10.7 m | |
| ROCK CR | Iowa | 1950 | 30 | 10.7 m | |
| CARRUTHERS CREEK | Iowa | 1981 | 30 | 19.8 m | |
| MINERVA CR | Iowa | 1946 | 30 | 34.1 m | |
| SMALL | Iowa | 1979 | 30 | 18.9 m | |
| BR LINN CR | Iowa | 1942 | 30 | 7.0 m | |
| INDIAN CREEK | Iowa | 1956 | 30 | 18.6 m | |
| OTTER CREEK | Iowa | 1900 | 30 | 24.1 m | |
| OVER FLOW | Iowa | 1900 | 30 | 9.8 m | |
| TAFT CREEK | Iowa | 1900 | 30 | 9.8 m | |
| STREAM | Iowa | 1948 | 30 | 7.9 m | |
| DEEP RIVER | Iowa | 1949 | 30 | 12.8 m | |
| WOLF CREEK | Iowa | 1940 | 30 | 21.6 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.