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.