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.