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 |
|---|---|---|---|---|---|
| WEST FORK CROOKED CREEK | Iowa | 1949 | 26 | 14.3 m | |
| TOM CREEK | Iowa | 1930 | 26 | 27.4 m | |
| SMALL STREAM | Iowa | 1927 | 26 | 6.7 m | |
| STREAM | Iowa | 1941 | 26 | 34.1 m | |
| CEDAR CREEK | Iowa | 1973 | 26 | 17.4 m | |
| SMALL | Iowa | 1983 | 26 | 12.2 m | |
| SMALL | Iowa | 1983 | 26 | 20.4 m | |
| SMALL | Iowa | 1984 | 26 | 6.7 m | |
| BRANCH N SKUNK RIVER | Iowa | 1940 | 26 | 7.0 m | |
| CLEAR CREEK | Iowa | 1941 | 26 | 11.9 m | |
| JACKSON CREEK | Iowa | 1987 | 26 | 24.1 m | |
| MINERVA CR | Iowa | 1949 | 26 | 13.1 m | |
| MINERVA CR | Iowa | 1950 | 26 | 12.8 m | |
| BR MINERVA CR | Iowa | 1984 | 26 | 7.9 m | |
| MUD CREEK | Iowa | 1985 | 26 | 11.3 m | |
| HUNTERS BRANCH | Iowa | 1965 | 26 | 24.7 m | |
| BUTTRICK CREEK | Iowa | 1913 | 26 | 10.7 m | |
| INDIAN CREEK | Iowa | 1940 | 26 | 24.7 m | |
| STREAM | Iowa | 1965 | 26 | 9.8 m | |
| MUD CREEK | Iowa | 1940 | 26 | 30.5 m | |
| MCCANDLESS CLEGHORN | Iowa | 1976 | 26 | 10.1 m | |
| LOCAL STREAM | Iowa | 1964 | 26 | 27.7 m | |
| AVERY CREEK | Iowa | 1967 | 26 | 31.4 m | |
| STREAM | Iowa | 1968 | 26 | 7.9 m | |
| BUFFALO CREEK | Iowa | 1975 | 26 | 15.2 m | |
| DRAINAGE DITCH | Iowa | 1985 | 26 | 13.7 m | |
| W NODAWAY RIVER | Iowa | 1970 | 26 | 42.7 m | |
| COOPER CREEK | Iowa | 1923 | 25 | 18.9 m | |
| TRIB TO CEDAR RIVER | Iowa | 1940 | 25 | 7.3 m | |
| BIG CREEK | Iowa | 1915 | 25 | 7.9 m | |
| JACKSON CREEK | Iowa | 1953 | 25 | 21.3 m | |
| WATERWAY | Iowa | 1965 | 25 | 7.0 m | |
| BRANCH HORTON CREEK | Iowa | 1952 | 25 | 7.3 m | |
| SMALL | Iowa | 1978 | 25 | 9.4 m | |
| CREEK | Iowa | 1965 | 25 | 13.7 m | |
| ELK CREEK | Iowa | 1920 | 25 | 25.0 m | |
| HAWKEYE DOLBEE CHANNEL | Iowa | 1953 | 25 | 91.1 m | |
| STREAM | Iowa | 1941 | 25 | 12.8 m | |
| E BUFFALO CREEK | Iowa | 1957 | 25 | 18.9 m | |
| CREEK | Iowa | 1955 | 25 | 9.4 m | |
| DD | Iowa | 1963 | 25 | 17.7 m | |
| TURKEY RIVER | Iowa | 1961 | 25 | 30.2 m | |
| BR CRANE CREEK | Iowa | 1990 | 25 | 9.1 m | |
| LITTLE ELK CREEK | Iowa | 1932 | 25 | 13.1 m | |
| NORTH SKUNK RIVER | Iowa | 1918 | 25 | 43.6 m | |
| STREAM | Iowa | 1969 | 25 | 9.1 m | |
| CREEK | Iowa | 1918 | 25 | 10.4 m | |
| RICHLAND CREEK | Iowa | 1946 | 25 | 46.6 m | |
| STREAM | Iowa | 1958 | 25 | 23.8 m | |
| BRANCH OTTER CREEK | Iowa | 1940 | 25 | 10.7 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.