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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1926 | 20 | 6.4 m | |
| BOONE RIVER | Iowa | 1969 | 20 | 35.1 m | |
| BOONE RIVER | Iowa | 1925 | 20 | 11.3 m | |
| SMALL STREAM | Iowa | 1987 | 20 | 12.8 m | |
| TIPTON CREEK | Iowa | 1900 | 20 | 36.6 m | |
| TIPTON CREEK | Iowa | 1985 | 20 | 17.4 m | |
| CANOE CREEK | Iowa | 1924 | 20 | 18.3 m | |
| MOSQUITO CREEK | Iowa | 1940 | 20 | 55.2 m | |
| KEG CREEK | Iowa | 1957 | 20 | 12.8 m | |
| MOSQUITO CREEK | Iowa | 1930 | 20 | 67.7 m | |
| UNNAMED STREAM | Iowa | 1970 | 20 | 36.3 m | |
| ALLEN CREEK | Iowa | 1959 | 20 | 18.9 m | |
| CREEK | Iowa | 1900 | 20 | 9.4 m | |
| CREEK | Iowa | 1980 | 20 | 6.7 m | |
| ALLEN CREEK | Iowa | 1976 | 20 | 20.4 m | |
| CRANE CREEK | Iowa | 1937 | 20 | 41.5 m | |
| PARNELL CREEK | Iowa | 1935 | 20 | 9.4 m | |
| WRIGHT CREEK | Iowa | 1900 | 20 | 32.6 m | |
| LITTLE BEAR CREEK | Iowa | 1952 | 20 | 22.9 m | |
| SNAKE CREEK | Iowa | 1980 | 20 | 27.7 m | |
| BUCK CREEK | Iowa | 1994 | 20 | 18.9 m | |
| STREAM | Iowa | 1968 | 20 | 18.3 m | |
| W TARKIO RIVER | Iowa | 1972 | 20 | 39.0 m | |
| WEST TARKIO CREEK | Iowa | 1977 | 20 | 37.5 m | |
| STREAM | Iowa | 1984 | 20 | 31.7 m | |
| STREAM | Iowa | 1953 | 20 | 39.0 m | |
| WEST TARKIO RIVER | Iowa | 1953 | 20 | 23.8 m | |
| DD #123 | Iowa | 1966 | 20 | 13.7 m | |
| PERRY CREEK | Iowa | 1900 | 20 | 18.3 m | |
| DD | Iowa | 1956 | 20 | 9.4 m | |
| CHARITON RIVER | Iowa | 1983 | 20 | 27.1 m | |
| DRAINAGE | Iowa | 1949 | 20 | 9.4 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 | |
| F0UR MILE CREEK | Iowa | 1979 | 20 | 13.1 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 |
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.