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.