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 | 1956 | 71 | 17.4 m | |
| PRICE CREEK | Iowa | 1970 | 71 | 9.4 m | |
| MIDDLE RACOON RIVER | Iowa | 1959 | 71 | 76.2 m | |
| STREAM | Iowa | 1950 | 71 | 9.8 m | |
| SMALL STREAM | Iowa | 1917 | 71 | 6.7 m | |
| DRY RUN | Iowa | 1977 | 71 | 18.3 m | |
| CLEAR CREEK | Iowa | 1946 | 71 | 37.2 m | |
| WEST TARKIO CREEK | Iowa | 1958 | 71 | 39.6 m | |
| SMALL CREEK | Iowa | 1952 | 71 | 13.7 m | |
| BRUSHY CREEK | Iowa | 1952 | 71 | 64.9 m | |
| LITTLE ROCK RIVER | Iowa | 1900 | 71 | 32.0 m | |
| S RIVER | Iowa | 1940 | 71 | 24.1 m | |
| W.BRANCH FLOYD RIVER | Iowa | 1960 | 71 | 49.7 m | |
| DEEP CREEK | Iowa | 1900 | 71 | 11.6 m | |
| SMALL STREAM | Iowa | 1985 | 71 | 6.4 m | |
| DEER CREEK | Iowa | 1976 | 71 | 10.1 m | |
| SMALL STREAM | Iowa | 1984 | 71 | 8.2 m | |
| WHISKEY CREEK | Iowa | 1969 | 71 | 9.8 m | |
| LOCAL CREEK | Iowa | 1968 | 71 | 9.4 m | |
| LOCAL CREEK | Iowa | 1970 | 71 | 22.3 m | |
| PERRY CREEK | Iowa | 1953 | 71 | 45.7 m | |
| STREAM | Iowa | 1941 | 71 | 7.6 m | |
| JIM CREEK | Iowa | 1931 | 71 | 12.8 m | |
| BRANCH OF BLACKHAWK CRK | Iowa | 1976 | 71 | 7.9 m | |
| STREAM | Iowa | 1981 | 71 | 9.4 m | |
| MUD CREEK | Iowa | 1972 | 70 | 13.1 m | |
| STREAM | Iowa | 1951 | 70 | 37.5 m | |
| CREEK | Iowa | 1900 | 70 | 8.8 m | |
| UNNAMED CR | Iowa | 1953 | 70 | 9.1 m | |
| BRANCH YELLOW RIVER | Iowa | 1959 | 70 | 9.8 m | |
| BR SUTTLE CREEK | Iowa | 1900 | 70 | 7.0 m | |
| WOLF CREEK | Iowa | 1957 | 70 | 61.6 m | |
| VOLGA RIVER | Iowa | 1953 | 70 | 17.4 m | |
| LANDPHERE CREEK | Iowa | 1964 | 70 | 18.6 m | |
| SMALL STREAM | Iowa | 1966 | 70 | 31.1 m | |
| BUCKLEY CREEK | Iowa | 1951 | 70 | 22.6 m | |
| SMALL STREAM | Iowa | 1974 | 70 | 6.4 m | |
| SLATER CREEK | Iowa | 1927 | 70 | 10.1 m | |
| CROOKED CR | Iowa | 1942 | 70 | 6.1 m | |
| DEVILS RUN | Iowa | 1940 | 70 | 13.1 m | |
| UNAMED CREEK | Iowa | 1928 | 70 | 8.5 m | |
| SUGAR CREEK | Iowa | 1985 | 70 | 14.9 m | |
| SOUTH CHEQUEST LAKE CRK | Iowa | 1965 | 70 | 38.4 m | |
| SOAP CREEK | Iowa | 1905 | 70 | 71.0 m | |
| SMALL STREAM | Iowa | 1940 | 70 | 10.7 m | |
| CEDAR CREEK | Iowa | 1935 | 70 | 15.2 m | |
| BLACK HAWK CREEK | Iowa | 1977 | 70 | 13.7 m | |
| UPPER IOWA RIVER | Iowa | 1900 | 70 | 66.1 m | |
| CREEK | Iowa | 1966 | 70 | 12.5 m | |
| CREEK | Iowa | 1900 | 70 | 10.4 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.