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 | 1950 | 80 | 13.1 m | |
| OLIVE BRANCH CREEK | Iowa | 1956 | 80 | 10.7 m | |
| STREAM | Iowa | 1966 | 80 | 9.1 m | |
| S COAL CREEK | Iowa | 1951 | 80 | 19.5 m | |
| OTTER CR | Iowa | 1959 | 80 | 31.1 m | |
| WOLF CREEK | Iowa | 1968 | 80 | 39.3 m | |
| STREAM | Iowa | 1951 | 80 | 28.7 m | |
| SMALL STREAM | Iowa | 1966 | 80 | 13.7 m | |
| DRAINAGE | Iowa | 1973 | 80 | 13.7 m | |
| GIBSON SLOUGH | Iowa | 1953 | 79 | 33.8 m | |
| MUD CREEK | Iowa | 1940 | 79 | 28.0 m | |
| ROSE BRANCH | Iowa | 1976 | 79 | 9.1 m | |
| SMALL STREAM | Iowa | 1963 | 79 | 21.3 m | |
| STREAM | Iowa | 1979 | 79 | 15.2 m | |
| BEAVER CREEK BRANCH | Iowa | 1954 | 79 | 10.7 m | |
| STREAM | Iowa | 1962 | 79 | 18.3 m | |
| WELDON RIVER | Iowa | 1951 | 79 | 46.3 m | |
| STREAM | Iowa | 1930 | 79 | 10.4 m | |
| SMALL CREEK | Iowa | 1950 | 79 | 25.6 m | |
| SMALL STREAM | Iowa | 1957 | 79 | 26.5 m | |
| WEST FORK CEDAR RIVER | Iowa | 1920 | 79 | 100.6 m | |
| CAVITT CREEK | Iowa | 1967 | 79 | 13.7 m | |
| STREAM | Iowa | 1962 | 79 | 8.5 m | |
| SMALL STREAM | Iowa | 1955 | 79 | 6.7 m | |
| SMALL CREEK | Iowa | 1957 | 79 | 9.4 m | |
| SOUTH RACOON RIVER | Iowa | 1952 | 79 | 73.2 m | |
| SMALL STREAM | Iowa | 1973 | 79 | 7.6 m | |
| SALT CREEK | Iowa | 1951 | 79 | 37.2 m | |
| STREAM | Iowa | 1935 | 79 | 13.1 m | |
| TIMBER CREEK | Iowa | 1947 | 79 | 21.3 m | |
| NAGEL DD | Iowa | 1960 | 79 | 93.0 m | |
| MUD CREEK | Iowa | 1913 | 79 | 11.9 m | |
| N SKUNK RIVER | Iowa | 1917 | 79 | 12.8 m | |
| STREAM | Iowa | 1925 | 79 | 8.8 m | |
| CEDAR RIVER | Iowa | 1936 | 79 | 108.5 m | |
| BRANCH OTTER CREEK | Iowa | 1927 | 79 | 25.9 m | |
| PLATTE RIVER | Iowa | 1955 | 79 | 47.5 m | |
| CREEK | Iowa | 1962 | 78 | 13.4 m | |
| SMALL CREEK | Iowa | 1916 | 78 | 7.3 m | |
| CREEK | Iowa | 1958 | 78 | 8.8 m | |
| UNAMED CR | Iowa | 1964 | 78 | 7.9 m | |
| CREEK | Iowa | 1965 | 78 | 7.9 m | |
| CREEK | Iowa | 1928 | 78 | 16.2 m | |
| UNION CREEK | Iowa | 1900 | 78 | 36.9 m | |
| CREEK | Iowa | 1956 | 78 | 8.2 m | |
| WAPSIPINICON RIVER | Iowa | 1909 | 78 | 74.7 m | |
| DICKEY CREEK | Iowa | 1956 | 73 | 6.1 m | |
| KIRKENDALL CREEK | Iowa | 1950 | 73 | 37.5 m | |
| HONEY CREEK | Iowa | 1984 | 73 | 21.3 m | |
| CREEK | Iowa | 1987 | 73 | 18.6 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.