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 |
|---|---|---|---|---|---|
| DRAINAGE | Iowa | 1977 | 359 | 10.1 m | |
| BACON CREEK | Iowa | 1967 | 359 | 46.6 m | |
| OVER I.C.E. RR | Iowa | 1900 | 358 | 34.7 m | |
| MIDDLE RACCOON RIVER | Iowa | 1965 | 358 | 60.0 m | |
| VOLGA RIVER | Iowa | 1955 | 356 | 40.2 m | |
| LAKE CREEK | Iowa | 1985 | 354 | 31.4 m | |
| MOON CREEK | Iowa | 1958 | 354 | 23.8 m | |
| CREEK | Iowa | 1961 | 350 | 8.2 m | |
| CREEK | Iowa | 1971 | 350 | 6.7 m | |
| SOLDIER RIVER | Iowa | 1971 | 350 | 35.4 m | |
| DRAINAGE | Iowa | 1940 | 349 | 7.3 m | |
| SMALL STREAM | Iowa | 1920 | 349 | 7.0 m | |
| STREAM | Iowa | 1968 | 349 | 13.4 m | |
| BROWN BRANCH | Iowa | 1965 | 349 | 31.4 m | |
| MINNOW CREEK | Iowa | 1900 | 349 | 6.4 m | |
| SOUTH RIVER | Iowa | 1936 | 349 | 46.6 m | |
| SOLDIER RIVER | Iowa | 1955 | 349 | 92.7 m | |
| SMALL STREAM | Iowa | 1900 | 346 | 18.3 m | |
| SALT CREEK | Iowa | 1965 | 344 | 23.8 m | |
| BRANCH SALT CREEK | Iowa | 1996 | 344 | 17.4 m | |
| SO BRANCH SALT CREEK | Iowa | 1996 | 344 | 12.5 m | |
| SO BR RALSTON CREEK | Iowa | 1957 | 341 | 6.7 m | |
| LITTLE BEAR CREEK | Iowa | 1912 | 340 | 12.2 m | |
| SUGAR CREEK | Iowa | 1968 | 340 | 46.9 m | |
| LYNN CREEK | Iowa | 1964 | 340 | 23.8 m | |
| CEDAR CREEK | Iowa | 1957 | 340 | 77.4 m | |
| DD NO 69 | Iowa | 1974 | 339 | 31.4 m | |
| CREEK | Iowa | 1964 | 339 | 21.3 m | |
| ROCK RIVER | Iowa | 1968 | 337 | 76.8 m | |
| ALLEN CREEK | Iowa | 1969 | 335 | 12.2 m | |
| TIPTON CREEK | Iowa | 1900 | 334 | 19.2 m | |
| BEAVER CREEK | Iowa | 1967 | 334 | 30.8 m | |
| RALSTON CREEK | Iowa | 1957 | 330 | 6.7 m | |
| WOLF CREEK | Iowa | 1958 | 330 | 43.9 m | |
| YANKEE RUN | Iowa | 1940 | 330 | 7.6 m | |
| MAQUOKETA RIVER | Iowa | 1950 | 330 | 134.1 m | |
| DD #41 BIG CEDAR CK | Iowa | 1977 | 330 | 27.7 m | |
| D D # 51 | Iowa | 1966 | 330 | 13.4 m | |
| SMALL STREAM | Iowa | 1990 | 330 | 14.9 m | |
| WEST TARKIO CREEK | Iowa | 1968 | 329 | 64.9 m | |
| MID TARKIO CREEK | Iowa | 1968 | 329 | 34.4 m | |
| SOUTH RACCOON RIVER | Iowa | 1975 | 329 | 76.2 m | |
| WEST 102 RIVER | Iowa | 1962 | 329 | 62.2 m | |
| JIM CREEK | Iowa | 1971 | 329 | 23.8 m | |
| GRAND RIVER | Iowa | 1959 | 329 | 92.1 m | |
| WEST 102 RIVER | Iowa | 1986 | 329 | 58.5 m | |
| FORK CREEK | Iowa | 1960 | 326 | 6.7 m | |
| STREAM | Iowa | 1960 | 325 | 7.9 m | |
| UPPER IOWA RIVER | Iowa | 1937 | 324 | 90.5 m | |
| ROCK FALLS CREEK | Iowa | 1966 | 324 | 9.4 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.