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 |
|---|---|---|---|---|---|
| DRAINAGE DITCH | Iowa | 1959 | 20 | 9.4 m | |
| SMALL STREAM | Iowa | 1931 | 20 | 18.3 m | |
| DRAINAGE | Iowa | 1949 | 20 | 9.4 m | |
| CHEQUEST CREEK | Iowa | 1953 | 20 | 46.6 m | |
| WESTFIELD CREEK | Iowa | 1948 | 20 | 11.3 m | |
| DRAINAGE | Iowa | 1949 | 20 | 14.0 m | |
| W BR FLOYD RIVER | Iowa | 1941 | 20 | 43.6 m | |
| W BR FLOYD RIVER | Iowa | 1900 | 20 | 28.0 m | |
| DRAINAGE | Iowa | 1961 | 20 | 12.8 m | |
| INDIAN CREEK | Iowa | 1900 | 20 | 13.7 m | |
| BROKEN KETTLE CREEK | Iowa | 1959 | 20 | 7.6 m | |
| BROKEN KETTLE CREEK | Iowa | 1948 | 20 | 9.1 m | |
| INDIAN CREEK | Iowa | 1956 | 20 | 11.6 m | |
| INDIAN CREEK | Iowa | 1900 | 20 | 9.1 m | |
| SO LIZARD CR DD#22 | Iowa | 1918 | 20 | 11.9 m | |
| LITTLE CEDAR CREEK | Iowa | 1953 | 20 | 21.3 m | |
| BEAVER CREEK | Iowa | 1900 | 20 | 15.9 m | |
| BEAVER CREEK | Iowa | 1957 | 20 | 17.7 m | |
| N LIZARD CREEK | Iowa | 1921 | 20 | 9.8 m | |
| N LIZARD CREEK | Iowa | 1974 | 20 | 16.5 m | |
| MUD CREEK | Iowa | 1925 | 20 | 13.7 m | |
| MUD CREEK | Iowa | 1976 | 20 | 24.4 m | |
| STREAM | Iowa | 1965 | 20 | 6.4 m | |
| KEG CREEK | Iowa | 1976 | 20 | 29.9 m | |
| STREAM | Iowa | 1976 | 20 | 21.3 m | |
| LITTLE SILVER CREEK | Iowa | 1989 | 20 | 12.8 m | |
| DEEP RIVER | Iowa | 1983 | 20 | 25.0 m | |
| NORTH ENGLISH RIVER | Iowa | 1951 | 20 | 39.9 m | |
| CREEK | Iowa | 1977 | 20 | 7.3 m | |
| STREAM | Iowa | 1948 | 20 | 10.7 m | |
| LITTLE BEAR CREEK | Iowa | 1952 | 20 | 22.9 m | |
| SMALL STREAM | Iowa | 1925 | 20 | 7.0 m | |
| KEG CREEK | Iowa | 1924 | 20 | 37.5 m | |
| M FK GRAND RIVER | Iowa | 1981 | 20 | 18.9 m | |
| M FK GRAND RIVER | Iowa | 1963 | 20 | 27.7 m | |
| STREAM | Iowa | 1980 | 20 | 7.6 m | |
| GOOSEBERRY CREEK | Iowa | 1965 | 20 | 19.8 m | |
| STREAM | Iowa | 1956 | 20 | 17.4 m | |
| LIME STONE CREEK | Iowa | 1965 | 20 | 18.3 m | |
| BUCK BRANCH | Iowa | 1954 | 16 | 21.3 m | |
| E BR BEAVER DAM CREEK | Iowa | 1965 | 16 | 7.3 m | |
| EAST CREEK | Iowa | 1937 | 16 | 6.4 m | |
| BEAVER DAM CREEK | Iowa | 1900 | 16 | 18.0 m | |
| HONEY CREEK | Iowa | 1919 | 16 | 23.8 m | |
| CREEK | Iowa | 1989 | 16 | 9.8 m | |
| HONEY CREEK | Iowa | 1963 | 16 | 21.6 m | |
| TIPTON CREEK | Iowa | 1987 | 16 | 15.9 m | |
| LYNN CREEK | Iowa | 1975 | 16 | 16.2 m | |
| EAST FORK CROOKED CREEK | Iowa | 1914 | 16 | 11.3 m | |
| BR CRANE CREEK | Iowa | 1970 | 16 | 7.9 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.