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.