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 |
|---|---|---|---|---|---|
| E FK GRAND RIVER | Iowa | 1940 | 5 | 19.8 m | |
| SUN VALLEY CREEK | Iowa | 1980 | 5 | 13.4 m | |
| STREAM | Iowa | 1950 | 5 | 18.6 m | |
| SMALL STREAM | Iowa | 1968 | 5 | 8.2 m | |
| EAST BR INDIAN CREEK | Iowa | 1924 | 5 | 10.4 m | |
| BRANCH OF IOWA RIVER | Iowa | 1950 | 5 | 9.8 m | |
| RICHLAND CREEK | Iowa | 1900 | 5 | 12.2 m | |
| OTTER CREEK | Iowa | 1920 | 5 | 9.8 m | |
| SALT CREEK | Iowa | 2001 | 5 | 6.1 m | |
| CREEK | Iowa | 1961 | 5 | 6.1 m | |
| CREEK | Iowa | 1949 | 5 | 6.1 m | |
| MIDDLE 102 RIVER | Iowa | 1978 | 5 | 29.6 m | |
| CREEK | Iowa | 1960 | 5 | 9.1 m | |
| CREEK | Iowa | 1900 | 5 | 12.2 m | |
| EAST 102 RIVER | Iowa | 1968 | 5 | 43.9 m | |
| HONEY CREEK | Iowa | 1954 | 5 | 24.1 m | |
| CREEK | Iowa | 1952 | 5 | 7.3 m | |
| CREEK | Iowa | 1957 | 5 | 9.8 m | |
| HOG BRANCH | Iowa | 1961 | 5 | 26.2 m | |
| SMALL | Iowa | 1979 | 5 | 14.6 m | |
| W 102 RIVER | Iowa | 1963 | 5 | 9.8 m | |
| CREEK | Iowa | 1953 | 5 | 6.1 m | |
| CREEK | Iowa | 1959 | 5 | 12.2 m | |
| LONZO CREEK | Iowa | 1967 | 5 | 12.5 m | |
| WEST 102 RIVER | Iowa | 1962 | 5 | 25.0 m | |
| SMALL STREAM | Iowa | 1990 | 5 | 7.9 m | |
| SMALL STREAM | Iowa | 1900 | 5 | 12.2 m | |
| STREAM | Iowa | 1973 | 5 | 7.0 m | |
| FOUR MILE CREEK | Iowa | 1967 | 5 | 21.0 m | |
| SMALL STREAM | Iowa | 1900 | 5 | 9.1 m | |
| SMALL STREAM | Iowa | 1973 | 5 | 19.8 m | |
| SMALL STREAM | Iowa | 1900 | 5 | 7.3 m | |
| TRIB DESMOINES RIVER R | Iowa | 1971 | 5 | 21.9 m | |
| TRIB DES MOINES RIVER | Iowa | 1965 | 5 | 7.9 m | |
| TRIB TO SPRING CREEK | Iowa | 1950 | 5 | 6.4 m | |
| NORTH FORK LONG CREEK | Iowa | 1929 | 5 | 14.3 m | |
| STREAM | Iowa | 1980 | 5 | 8.2 m | |
| STREAM | Iowa | 1900 | 5 | 6.7 m | |
| STREAM | Iowa | 1975 | 5 | 7.0 m | |
| DUCK VALLEY | Iowa | 1968 | 5 | 7.0 m | |
| DUCK VALLEY | Iowa | 1978 | 5 | 20.4 m | |
| PIKE RUN | Iowa | 1976 | 5 | 15.9 m | |
| N FORK BUFFALO CREEK | Iowa | 1900 | 5 | 16.5 m | |
| N BUFFALO CREEK | Iowa | 1949 | 5 | 13.7 m | |
| CREEK | Iowa | 1900 | 5 | 10.1 m | |
| STREAM | Iowa | 1942 | 5 | 17.4 m | |
| STREAM | Iowa | 1935 | 5 | 8.2 m | |
| STREAM | Iowa | 1985 | 5 | 21.9 m | |
| MILLER CREEK | Iowa | 1951 | 5 | 31.4 m | |
| STREAM | Iowa | 1950 | 5 | 12.8 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.