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.