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 |
|---|---|---|---|---|---|
| NORTH SKUNK RIVER | Iowa | 1918 | 25 | 43.6 m | |
| CREEK | Iowa | 1918 | 25 | 10.4 m | |
| STREAM | Iowa | 1958 | 25 | 23.8 m | |
| STREAM | Iowa | 1900 | 21 | 10.4 m | |
| STREAM | Iowa | 1900 | 21 | 9.8 m | |
| STREAM | Iowa | 1967 | 21 | 11.0 m | |
| WALNUT CREEK | Iowa | 1964 | 21 | 25.0 m | |
| CREEK | Iowa | 1935 | 21 | 32.6 m | |
| BR BLUE GRASS CREEK | Iowa | 1925 | 21 | 9.8 m | |
| DD #10 | Iowa | 1968 | 21 | 15.9 m | |
| CREEK | Iowa | 1928 | 21 | 26.8 m | |
| CREEK | Iowa | 1935 | 21 | 29.9 m | |
| LONE TREE BRANCH | Iowa | 1978 | 21 | 12.8 m | |
| FOX CREEK | Iowa | 1987 | 21 | 14.6 m | |
| TURKEY CREEK | Iowa | 1978 | 21 | 21.3 m | |
| CREEK | Iowa | 1997 | 21 | 12.8 m | |
| CAMP CREEK | Iowa | 1976 | 21 | 43.9 m | |
| TURKEY CREEK | Iowa | 1981 | 21 | 39.3 m | |
| CREEK | Iowa | 1959 | 21 | 13.1 m | |
| CREEK | Iowa | 1960 | 21 | 14.9 m | |
| BIG INDIAN CREEK | Iowa | 1960 | 21 | 30.8 m | |
| CREEK | Iowa | 1937 | 21 | 6.7 m | |
| BEAVER DAM CREEK | Iowa | 1927 | 21 | 31.1 m | |
| LITTLE CEDAR CREEK | Iowa | 1961 | 21 | 18.9 m | |
| SLIPPERY ELM HOLLOW | Iowa | 1966 | 21 | 7.3 m | |
| RELIEF | Iowa | 1961 | 21 | 7.3 m | |
| WALNUT CREEK | Iowa | 1900 | 21 | 41.5 m | |
| STREAM | Iowa | 1965 | 21 | 12.2 m | |
| LOST GROVE CREEK | Iowa | 1914 | 21 | 7.0 m | |
| HARDIN CREEK | Iowa | 1959 | 21 | 23.8 m | |
| STREAM | Iowa | 1900 | 21 | 15.2 m | |
| DD #107 | Iowa | 1972 | 21 | 17.4 m | |
| WHITE FOX CREEK | Iowa | 1975 | 21 | 21.6 m | |
| WOLF CREEK | Iowa | 1983 | 21 | 12.2 m | |
| BOONE RIVER | Iowa | 1927 | 21 | 15.5 m | |
| DD #6 | Iowa | 1970 | 21 | 6.4 m | |
| STREAM | Iowa | 1940 | 21 | 11.9 m | |
| SMALL STREAM | Iowa | 1992 | 21 | 12.2 m | |
| DRAINAGE DITCH #10 | Iowa | 1994 | 21 | 7.6 m | |
| HONEY CREEK | Iowa | 1953 | 21 | 23.5 m | |
| HONEY CREEK | Iowa | 1980 | 21 | 9.8 m | |
| CREEK | Iowa | 1991 | 21 | 10.7 m | |
| IOWA RIVER | Iowa | 1930 | 21 | 27.7 m | |
| LITTLE EAGLE CREEK | Iowa | 1973 | 21 | 10.7 m | |
| EAGLE CREEK | Iowa | 1981 | 21 | 7.9 m | |
| SMALL | Iowa | 1978 | 21 | 13.1 m | |
| BRANCH SUGAR CREEK | Iowa | 1917 | 21 | 7.0 m | |
| DRAINAGE DITCH | Iowa | 1966 | 21 | 7.9 m | |
| CRANE CREEK | Iowa | 1951 | 21 | 24.4 m | |
| STREAM | Iowa | 1930 | 21 | 15.9 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.