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 |
|---|---|---|---|---|---|
| LYNN CREEK | Iowa | 1988 | 73 | 19.8 m | |
| PRAIRIE CREEK | Iowa | 1948 | 73 | 13.1 m | |
| DICKEY CREEK | Iowa | 1956 | 73 | 6.1 m | |
| SMALL | Iowa | 1979 | 73 | 7.9 m | |
| DRAINAGE DITCH 7 | Iowa | 1963 | 73 | 7.3 m | |
| DRAINAGE DITCH | Iowa | 1978 | 73 | 11.3 m | |
| HONEY CREEK | Iowa | 1984 | 73 | 21.3 m | |
| CREEK | Iowa | 1960 | 73 | 17.1 m | |
| E FORK WAPSIPINICON RVR | Iowa | 1971 | 73 | 26.8 m | |
| BEAR CREEK | Iowa | 1923 | 73 | 25.0 m | |
| STREAM | Iowa | 1910 | 73 | 7.0 m | |
| CREEK | Iowa | 1977 | 73 | 11.3 m | |
| CREEK | Iowa | 1987 | 73 | 18.6 m | |
| DD | Iowa | 1946 | 72 | 15.9 m | |
| DRAINAGE DITCH 11-13 | Iowa | 1927 | 72 | 7.9 m | |
| DRAINAGE DITCH | Iowa | 1976 | 72 | 16.8 m | |
| WATERWAY | Iowa | 1991 | 72 | 14.0 m | |
| CEDAR RIVER | Iowa | 1930 | 72 | 8.2 m | |
| WEST NISHNABOTNA RIVER | Iowa | 1960 | 72 | 104.9 m | |
| MOSQUITO CREEK | Iowa | 1942 | 72 | 24.7 m | |
| ZADIE CREEK | Iowa | 1964 | 72 | 9.1 m | |
| LITTLE RIVER | Iowa | 1943 | 72 | 59.7 m | |
| MIDDLE RIVER | Iowa | 1950 | 72 | 74.4 m | |
| WEST TARKIO CREEK | Iowa | 1958 | 71 | 39.6 m | |
| ODEBOLT CREEK | Iowa | 1951 | 71 | 21.3 m | |
| S. FORK LONG CREEK | Iowa | 1953 | 71 | 13.7 m | |
| CIPRA BRANCH | Iowa | 1900 | 71 | 15.5 m | |
| SMALL STREAM | Iowa | 1917 | 71 | 6.7 m | |
| DEER CREEK | Iowa | 1976 | 71 | 10.1 m | |
| STREAM | Iowa | 1967 | 71 | 12.5 m | |
| JIM CREEK | Iowa | 1931 | 71 | 12.8 m | |
| SMALL CREEK | Iowa | 1952 | 71 | 13.7 m | |
| LITTLE ROCK RIVER | Iowa | 1900 | 71 | 32.0 m | |
| PAINTER CREEK | Iowa | 1900 | 71 | 28.0 m | |
| DRAINAGE | Iowa | 1957 | 71 | 8.2 m | |
| CEDAR CREEK | Iowa | 1970 | 71 | 24.1 m | |
| WHISKEY CREEK | Iowa | 1969 | 71 | 9.8 m | |
| BRANCH OLD MANS CREEK | Iowa | 1925 | 71 | 15.9 m | |
| SMALL STREAM | Iowa | 1984 | 71 | 8.2 m | |
| BRANCH OF CLEAR CREEK | Iowa | 1978 | 71 | 8.2 m | |
| SMALL STREAM | Iowa | 1982 | 71 | 12.8 m | |
| STREAM | Iowa | 1950 | 71 | 9.8 m | |
| SMALL STREAM | Iowa | 1978 | 71 | 7.3 m | |
| BRANCH OF BLACKHAWK CRK | Iowa | 1976 | 71 | 7.9 m | |
| CLEAR CREEK | Iowa | 1946 | 71 | 37.2 m | |
| STREAM | Iowa | 1956 | 71 | 17.4 m | |
| S RIVER | Iowa | 1940 | 71 | 24.1 m | |
| SPRING CREEK | Iowa | 1948 | 71 | 11.9 m | |
| LOCAL CREEK | Iowa | 1970 | 71 | 22.3 m | |
| BRUSHY CREEK | Iowa | 1952 | 71 | 64.9 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.