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 |
|---|---|---|---|---|---|
| MINERVA CR | Iowa | 1945 | 5 | 13.1 m | |
| DEER CREEK | Iowa | 1977 | 5 | 8.5 m | |
| STREAM | Iowa | 1954 | 5 | 18.6 m | |
| SILVER CREEK | Iowa | 1938 | 5 | 43.6 m | |
| FARM CREEK | Iowa | 1963 | 5 | 9.4 m | |
| TRIB TO MAPLE RIVER | Iowa | 1900 | 5 | 23.2 m | |
| TRIB TARKIO | Iowa | 1955 | 5 | 18.9 m | |
| SMALL STREAM | Iowa | 1985 | 5 | 21.0 m | |
| DRAINAGE | Iowa | 1987 | 5 | 19.8 m | |
| DRAINAGE | Iowa | 1969 | 5 | 23.2 m | |
| NISHNABOTNA TRIB | Iowa | 1970 | 5 | 12.5 m | |
| DRAINAGE | Iowa | 1945 | 5 | 18.9 m | |
| MINOR DRAINAGE | Iowa | 1966 | 5 | 18.3 m | |
| OTTER CREEK | Iowa | 1949 | 5 | 27.4 m | |
| STREAM | Iowa | 1999 | 5 | 13.1 m | |
| MIDDLE TARKIO RIVER | Iowa | 1951 | 5 | 49.4 m | |
| STREAM | Iowa | 1999 | 5 | 10.1 m | |
| STREAM | Iowa | 1915 | 5 | 10.7 m | |
| MUD CREEK | Iowa | 1956 | 5 | 11.6 m | |
| PERRY CREEK | Iowa | 1900 | 5 | 15.2 m | |
| PERRY CREEK | Iowa | 1952 | 5 | 11.3 m | |
| CLEAR CREEK | Iowa | 1946 | 5 | 10.1 m | |
| PLYMOUTH CREEK | Iowa | 1946 | 5 | 23.2 m | |
| INDIAN CREEK | Iowa | 1961 | 5 | 24.1 m | |
| BR N LIZARD CR DD#169 | Iowa | 1989 | 5 | 7.3 m | |
| CROOKED CREEK | Iowa | 1980 | 5 | 9.1 m | |
| BEAVER CK | Iowa | 1973 | 5 | 20.7 m | |
| N LIZARD CREEK | Iowa | 1916 | 5 | 10.7 m | |
| GRAYBILL CREEK | Iowa | 1947 | 5 | 32.3 m | |
| JORDAN CREEK | Iowa | 1976 | 5 | 20.1 m | |
| STREAM | Iowa | 1961 | 5 | 7.6 m | |
| STREAM | Iowa | 1991 | 5 | 12.2 m | |
| PIGEON CREEK | Iowa | 1925 | 5 | 43.6 m | |
| WALNUT CREEK | Iowa | 1926 | 5 | 13.1 m | |
| STREAM | Iowa | 1953 | 5 | 14.6 m | |
| STREAM | Iowa | 1949 | 5 | 6.4 m | |
| E BIG CREEK | Iowa | 1958 | 5 | 34.7 m | |
| STREAM | Iowa | 1955 | 5 | 19.2 m | |
| STREAM | Iowa | 1953 | 5 | 6.4 m | |
| STREAM | Iowa | 1946 | 5 | 7.3 m | |
| E FK GRAND RIVER | Iowa | 1962 | 5 | 37.2 m | |
| W FK GRAND RIVER | Iowa | 1940 | 5 | 26.8 m | |
| LOTTS CREEK | Iowa | 1952 | 5 | 14.6 m | |
| LOTTS CREEK | Iowa | 1949 | 5 | 12.2 m | |
| GOOSEBERRY CREEK | Iowa | 1956 | 5 | 14.9 m | |
| STREAM | Iowa | 1952 | 5 | 14.3 m | |
| STREAM | Iowa | 1956 | 5 | 10.1 m | |
| STREAM | Iowa | 1954 | 5 | 7.9 m | |
| STREAM | Iowa | 1954 | 5 | 7.6 m | |
| E FORK GRAND RIVER | Iowa | 1969 | 5 | 14.9 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.