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.