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 |
|---|---|---|---|---|---|
| PITCHER CR | Iowa | 1926 | 15 | 10.4 m | |
| OVERFLOW CHANNEL | Iowa | 1925 | 15 | 7.9 m | |
| CREEK | Iowa | 1916 | 15 | 7.9 m | |
| WILLOW CREEK | Iowa | 1917 | 15 | 10.4 m | |
| N FORK OF BEAVER CREEK | Iowa | 1947 | 15 | 30.5 m | |
| DD | Iowa | 1976 | 15 | 10.1 m | |
| LIZARD CREEK | Iowa | 1962 | 15 | 42.7 m | |
| DRAINAGE DITCH NO 3 | Iowa | 1980 | 15 | 29.0 m | |
| SMALL CREEK | Iowa | 1949 | 15 | 7.6 m | |
| TRIBUTE TO SEELY CREEK | Iowa | 1988 | 15 | 9.4 m | |
| STREAM | Iowa | 1941 | 15 | 10.1 m | |
| WOLF CREEK | Iowa | 1975 | 15 | 15.2 m | |
| FROST CREEK | Iowa | 1959 | 15 | 10.1 m | |
| STREAM | Iowa | 1928 | 15 | 18.9 m | |
| STREAM | Iowa | 1920 | 15 | 11.6 m | |
| CREEK | Iowa | 1972 | 15 | 13.4 m | |
| SMALL STREAM | Iowa | 1987 | 15 | 11.0 m | |
| BEAR CR | Iowa | 1918 | 15 | 7.0 m | |
| IOWAY CREEK | Iowa | 1952 | 15 | 25.0 m | |
| DRAINAGE DITCH | Iowa | 1949 | 15 | 21.3 m | |
| BREWERS CR | Iowa | 1926 | 15 | 9.4 m | |
| DRAINAGE DITCH | Iowa | 1922 | 15 | 9.8 m | |
| DRAINAGE DITCH | Iowa | 1975 | 15 | 9.8 m | |
| EAST IOWA RIVER | Iowa | 1959 | 15 | 36.9 m | |
| TRIB BOONE RIVER #8 | Iowa | 1957 | 15 | 17.4 m | |
| DD #10 | Iowa | 1969 | 15 | 17.4 m | |
| DD #13 | Iowa | 1969 | 15 | 18.6 m | |
| BEAVER CREEK | Iowa | 1958 | 15 | 39.6 m | |
| BEAVER CREEK | Iowa | 1982 | 15 | 14.0 m | |
| CREEK | Iowa | 1978 | 15 | 14.3 m | |
| PIGEON CREEK | Iowa | 1967 | 15 | 26.2 m | |
| WILLOW CREEK | Iowa | 1975 | 15 | 50.0 m | |
| BR UPPER IOWA RIVER | Iowa | 1951 | 15 | 18.6 m | |
| STAFF CR | Iowa | 1944 | 15 | 26.8 m | |
| DRAINAGE DITCH | Iowa | 1948 | 15 | 7.3 m | |
| PRAIRIE CREEK | Iowa | 1900 | 15 | 20.7 m | |
| DD | Iowa | 1960 | 15 | 7.6 m | |
| STREAM | Iowa | 1993 | 15 | 18.0 m | |
| STREAM | Iowa | 1916 | 15 | 19.8 m | |
| SMALL CREEK | Iowa | 1982 | 15 | 19.5 m | |
| STREAM | Iowa | 1930 | 15 | 7.3 m | |
| E FK GRAND RIVER | Iowa | 1970 | 15 | 27.4 m | |
| E FK GRAND RIVER | Iowa | 1958 | 15 | 39.0 m | |
| STREAM | Iowa | 1930 | 15 | 13.1 m | |
| WALNUT CREEK | Iowa | 1956 | 15 | 19.8 m | |
| SAND CREEK | Iowa | 1958 | 15 | 20.1 m | |
| SMALL STREAM | Iowa | 1974 | 15 | 9.8 m | |
| BOYER RIVER | Iowa | 1931 | 15 | 46.3 m | |
| ODEBOLT CREEK | Iowa | 1981 | 15 | 17.7 m | |
| SMALL STREAM | Iowa | 1923 | 15 | 11.6 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.