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 |
|---|---|---|---|---|---|
| TRIB DES MOINES RIVER | Iowa | 1920 | 45 | 13.1 m | |
| SMALL CREEK | Iowa | 1955 | 45 | 13.1 m | |
| WILLOW CREEK | Iowa | 1940 | 45 | 45.1 m | |
| CALAMUS CREEK | Iowa | 1938 | 45 | 19.5 m | |
| CALMUS CREEK | Iowa | 1917 | 44 | 7.6 m | |
| E FORK WAPSIPINICON RVR | Iowa | 1962 | 44 | 63.4 m | |
| BEAVER CREEK | Iowa | 1961 | 44 | 14.3 m | |
| CREEK | Iowa | 1977 | 44 | 28.7 m | |
| SOUTH TIMBER CREEK | Iowa | 1938 | 44 | 31.1 m | |
| CREEK | Iowa | 1925 | 44 | 8.8 m | |
| RICHLAND CREEK | Iowa | 1960 | 44 | 39.3 m | |
| STOE CREEK | Iowa | 1949 | 44 | 24.4 m | |
| CREEK | Iowa | 1944 | 44 | 6.1 m | |
| THE COULEE | Iowa | 1924 | 44 | 13.0 m | |
| COULEE | Iowa | 1915 | 44 | 10.7 m | |
| SALT CREEK | Iowa | 1955 | 44 | 17.7 m | |
| FROG HOLLOW CR | Iowa | 1958 | 44 | 12.2 m | |
| SALT CREEK | Iowa | 1897 | 44 | 37.5 m | |
| NUTTING CREEK | Iowa | 1909 | 44 | 15.2 m | |
| UNAMED CREEK | Iowa | 1952 | 44 | 10.1 m | |
| FLOOD CREEK | Iowa | 1913 | 44 | 10.7 m | |
| BRANCH WOLF CREEK | Iowa | 1915 | 44 | 7.3 m | |
| BRANCH OF WOLF CREEK | Iowa | 1977 | 44 | 11.9 m | |
| BRANCH OF WOLF CREEK | Iowa | 1977 | 44 | 15.9 m | |
| BRANCH BLACK HAWK CREEK | Iowa | 1973 | 44 | 10.7 m | |
| SOUTH FORK BEAVER CREEK | Iowa | 1948 | 44 | 38.4 m | |
| BR BEAVER CREEK | Iowa | 1978 | 44 | 11.6 m | |
| BEAR CREEK | Iowa | 1996 | 44 | 15.2 m | |
| LINN CR | Iowa | 1945 | 44 | 26.8 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1954 | 44 | 31.4 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1900 | 44 | 8.2 m | |
| SMALL CREEK | Iowa | 1964 | 44 | 9.4 m | |
| SMALL | Iowa | 1986 | 44 | 6.4 m | |
| L WAPSIPINICON RIVER | Iowa | 1916 | 43 | 38.1 m | |
| SMALL STREAM | Iowa | 1932 | 42 | 13.1 m | |
| SMALL STREAM | Iowa | 1936 | 42 | 29.0 m | |
| STREAM | Iowa | 1970 | 42 | 9.4 m | |
| IOWA RIVER | Iowa | 1975 | 42 | 40.2 m | |
| BOHEMIAN CREEK | Iowa | 1953 | 42 | 14.6 m | |
| BR LITTLE WAPSIPINICON R | Iowa | 1970 | 42 | 9.4 m | |
| NICHOLS CR | Iowa | 1949 | 42 | 11.9 m | |
| DD | Iowa | 1915 | 41 | 7.3 m | |
| HOLCOMB CREEK | Iowa | 1956 | 41 | 16.5 m | |
| STREAM | Iowa | 1962 | 41 | 10.1 m | |
| CREEK | Iowa | 1955 | 41 | 11.3 m | |
| CREEK | Iowa | 1983 | 41 | 11.3 m | |
| DD | Iowa | 1925 | 41 | 9.8 m | |
| DD | Iowa | 1900 | 41 | 10.4 m | |
| LOCAL STREAM | Iowa | 1968 | 41 | 21.9 m | |
| SUGAR CREEK | Iowa | 1976 | 41 | 25.0 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.