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.