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 |
|---|---|---|---|---|---|
| FISH CREEK | Iowa | 1965 | 226 | 11.9 m | |
| SHELL ROCK RIVER | Iowa | 1959 | 226 | 128.3 m | |
| DRY RUN CREEK | Iowa | 1977 | 226 | 39.3 m | |
| TROUBLESOME CREEK | Iowa | 1964 | 226 | 7.3 m | |
| DRY RUN CREEK | Iowa | 1900 | 224 | 9.4 m | |
| SKUNK RIVER | Iowa | 1954 | 224 | 106.7 m | |
| EAST CEDAR CREEK | Iowa | 1968 | 220 | 31.1 m | |
| DRAINAGE | Iowa | 1900 | 220 | 16.2 m | |
| TARKIO CREEK TRIB | Iowa | 1959 | 219 | 29.0 m | |
| CREEK | Iowa | 1962 | 219 | 8.2 m | |
| LITTLE TARKIO | Iowa | 1958 | 219 | 31.4 m | |
| DRAINAGE | Iowa | 1930 | 219 | 6.1 m | |
| TARKIO CREEK | Iowa | 1955 | 219 | 46.6 m | |
| W FORK GRAND RIVER | Iowa | 1956 | 219 | 77.4 m | |
| DD 181 BIG CEDAR | Iowa | 1938 | 219 | 37.2 m | |
| IOWA RIVER OVERFLOW | Iowa | 1953 | 216 | 47.9 m | |
| ROCK CREEK | Iowa | 1973 | 216 | 9.8 m | |
| MUNNS CREEK | Iowa | 1955 | 216 | 9.1 m | |
| CREEK | Iowa | 1934 | 216 | 18.6 m | |
| BEAVER CREEK | Iowa | 1977 | 216 | 11.0 m | |
| IOWA RIVER | Iowa | 1938 | 216 | 100.9 m | |
| IOWA RIVER OVERFLOW | Iowa | 1947 | 216 | 51.5 m | |
| SMALL STREAM | Iowa | 1984 | 216 | 11.3 m | |
| DRAINAGE DITCH | Iowa | 1973 | 216 | 9.4 m | |
| SMALL STREAM | Iowa | 1981 | 216 | 22.9 m | |
| LINN CREEK | Iowa | 1963 | 216 | 21.9 m | |
| HORSE CREEK | Iowa | 1957 | 214 | 13.7 m | |
| DRAINAGE DITCH | Iowa | 1938 | 210 | 10.4 m | |
| TROUBLESOME CREEK | Iowa | 1960 | 210 | 51.8 m | |
| BUSHY CREEK | Iowa | 1986 | 210 | 35.1 m | |
| CREEK | Iowa | 1968 | 210 | 8.2 m | |
| PLUM CREEK | Iowa | 1968 | 210 | 11.6 m | |
| ELK RUN CREEK | Iowa | 1900 | 209 | 30.8 m | |
| SHELL ROCK RIV OVERFLOW | Iowa | 1992 | 207 | 17.4 m | |
| UPPER IOWA RIVER | Iowa | 1985 | 207 | 18.3 m | |
| CREEK | Iowa | 1998 | 206 | 13.7 m | |
| BEAVER CREEK | Iowa | 1965 | 206 | 38.7 m | |
| DRAINAGE | Iowa | 1962 | 200 | 11.6 m | |
| CLEAR CREEK | Iowa | 1962 | 200 | 15.5 m | |
| MUD CREEK | Iowa | 1955 | 200 | 7.6 m | |
| BRUSH CREEK | Iowa | 1988 | 200 | 25.3 m | |
| DME RR | Iowa | 1936 | 200 | 36.0 m | |
| CREEK | Iowa | 1974 | 200 | 31.7 m | |
| CREEK | Iowa | 1970 | 200 | 6.4 m | |
| WHEELER CREEK | Iowa | 1968 | 199 | 13.4 m | |
| KEMP CREEK | Iowa | 1961 | 199 | 31.4 m | |
| BACON CREEK | Iowa | 1900 | 199 | 13.4 m | |
| IOWA RIVER | Iowa | 1968 | 199 | 53.3 m | |
| CRABAPPLE CREEK | Iowa | 1958 | 199 | 31.4 m | |
| EAST PLATTE RIVER | Iowa | 1963 | 199 | 31.1 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.