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 |
|---|---|---|---|---|---|
| SMALL STREAM | Iowa | 1934 | 289 | 10.7 m | |
| BRANCH OTTER CREEK | Iowa | 1970 | 288 | 10.7 m | |
| WOLF CREEK BRANCH | Iowa | 1972 | 285 | 17.7 m | |
| SHELL ROCK RIVER | Iowa | 1963 | 285 | 136.6 m | |
| WAPSIPINICON RIVER | Iowa | 1968 | 285 | 8.2 m | |
| FLINT RIVER | Iowa | 1941 | 280 | 37.2 m | |
| BOYER RIVER | Iowa | 1964 | 280 | 31.4 m | |
| WILLOW CREEK | Iowa | 1964 | 279 | 13.4 m | |
| TRIB. OF BEAVER CREEK | Iowa | 1948 | 279 | 7.3 m | |
| CAMP CK | Iowa | 1973 | 279 | 39.0 m | |
| SMALL STREAM | Iowa | 1968 | 278 | 23.2 m | |
| NORTH ELK CREEK | Iowa | 1939 | 278 | 46.9 m | |
| SMALL NATURAL STREAM | Iowa | 1939 | 278 | 6.4 m | |
| SMALL | Iowa | 1973 | 275 | 17.7 m | |
| PLUM CREEK | Iowa | 1949 | 275 | 12.8 m | |
| DRAINAGE | Iowa | 1955 | 275 | 19.5 m | |
| DEER CREEK | Iowa | 1954 | 275 | 54.3 m | |
| BLACKHAWK CREEK BRANCH | Iowa | 1965 | 275 | 13.4 m | |
| BRUSH CREEK | Iowa | 1957 | 275 | 38.7 m | |
| CREEK | Iowa | 1972 | 275 | 22.9 m | |
| CRANE CREEK | Iowa | 1971 | 275 | 11.0 m | |
| QUARTER SEC RUN | Iowa | 1939 | 275 | 56.1 m | |
| DRAINAGE | Iowa | 1964 | 270 | 30.5 m | |
| SMALL STREAM | Iowa | 1925 | 270 | 6.7 m | |
| SUGAR CREEK | Iowa | 1950 | 270 | 21.0 m | |
| LITTLE SIOUX RIVER | Iowa | 1966 | 270 | 53.3 m | |
| ROCK CREEK | Iowa | 1964 | 270 | 15.2 m | |
| INDIAN CREEK | Iowa | 1957 | 270 | 32.9 m | |
| STREAM | Iowa | 1981 | 270 | 19.2 m | |
| BIG CREEK | Iowa | 1964 | 270 | 43.3 m | |
| CREEK | Iowa | 1983 | 269 | 12.2 m | |
| HURTZEL RUN | Iowa | 1900 | 269 | 9.8 m | |
| LIZARD CREEK | Iowa | 1968 | 268 | 10.1 m | |
| MUD CREEK | Iowa | 1967 | 265 | 21.3 m | |
| BEAVER CREEK BRANCH | Iowa | 1932 | 265 | 6.4 m | |
| BIG MINERVA CREEK | Iowa | 1967 | 265 | 46.6 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1961 | 265 | 51.8 m | |
| DD #2 & 36 | Iowa | 1974 | 264 | 9.1 m | |
| STREAM | Iowa | 1956 | 260 | 7.0 m | |
| ASHTON CREEK | Iowa | 1974 | 260 | 31.1 m | |
| NORTH RIVER | Iowa | 1962 | 260 | 77.4 m | |
| CARTERS CREEK | Iowa | 1967 | 260 | 46.0 m | |
| GOLLS CREEK | Iowa | 1969 | 259 | 12.2 m | |
| DITCH NO.60 | Iowa | 1967 | 259 | 23.8 m | |
| DRAINAGE DITCH 6 | Iowa | 1968 | 259 | 14.6 m | |
| EAST IOWA RIVER | Iowa | 1967 | 259 | 39.3 m | |
| CREAMERY CREEK | Iowa | 1961 | 257 | 18.9 m | |
| MIDDLE NODAWAY RIVER | Iowa | 1968 | 255 | 77.4 m | |
| TRIB W FORK CEDAR RIVER | Iowa | 1966 | 255 | 9.1 m | |
| OVER CNW RR | Iowa | 1936 | 255 | 38.7 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.