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 |
|---|---|---|---|---|---|
| LIZARD CREEK | Iowa | 1965 | 549 | 61.0 m | |
| CAMP CREEK | Iowa | 1965 | 540 | 77.1 m | |
| WALNUT CREEK | Iowa | 1971 | 540 | 31.4 m | |
| PRATT CREEK | Iowa | 1989 | 540 | 46.9 m | |
| PRATT CREEK | Iowa | 1956 | 540 | 6.4 m | |
| STREAM | Iowa | 1968 | 540 | 23.5 m | |
| SMALL | Iowa | 1996 | 540 | 30.5 m | |
| NO NAME CREEK | Iowa | 1966 | 538 | 13.4 m | |
| BEAR CREEK | Iowa | 1940 | 538 | 10.1 m | |
| BEE BRANCH | Iowa | 1970 | 537 | 7.0 m | |
| FROG CREEK | Iowa | 1915 | 536 | 6.7 m | |
| W BR INDIAN CREEK | Iowa | 1936 | 535 | 13.4 m | |
| ROCK CREEK | Iowa | 1963 | 530 | 39.0 m | |
| WOLF CREEK | Iowa | 1970 | 530 | 77.7 m | |
| CATFISH CREEK | Iowa | 1980 | 530 | 27.7 m | |
| HINKLE CREEK | Iowa | 1988 | 530 | 27.7 m | |
| WEXFORD CREEK | Iowa | 1970 | 530 | 25.0 m | |
| LITTLE WALNUT CREEK | Iowa | 1967 | 530 | 39.0 m | |
| WALNUT CREEK | Iowa | 1956 | 528 | 39.0 m | |
| CEDAR CREEK | Iowa | 1977 | 520 | 37.5 m | |
| MINO CREEK | Iowa | 1966 | 520 | 12.8 m | |
| WAPSIPINICON RIVER | Iowa | 1969 | 520 | 196.0 m | |
| CREEK | Iowa | 1964 | 511 | 10.1 m | |
| PILOT CREEK | Iowa | 1975 | 509 | 31.4 m | |
| MUD CREEK | Iowa | 1961 | 509 | 33.8 m | |
| TURNER CREEK | Iowa | 1964 | 509 | 24.4 m | |
| SMALL | Iowa | 1983 | 509 | 7.6 m | |
| TOM CREEK | Iowa | 1964 | 509 | 24.1 m | |
| WEST FORK LITTLE SIOUX | Iowa | 1960 | 509 | 54.6 m | |
| BROOKS CREEK | Iowa | 1966 | 509 | 9.8 m | |
| DRY RUN CREEK | Iowa | 1964 | 509 | 21.3 m | |
| MOSQUITO CREEK | Iowa | 1977 | 501 | 39.0 m | |
| BEAVER CREEK | Iowa | 1973 | 501 | 54.9 m | |
| WAPSIPINICON RIVER | Iowa | 1957 | 501 | 51.8 m | |
| SMALL STREAM | Iowa | 1964 | 500 | 6.4 m | |
| CROOKED CREEK | Iowa | 1964 | 500 | 25.0 m | |
| DUCK CREEK | Iowa | 1950 | 500 | 36.6 m | |
| BATTLE CREEK | Iowa | 1969 | 499 | 31.1 m | |
| FLOOD CREEK | Iowa | 1975 | 491 | 35.4 m | |
| BRANCH OF IOWA RIVER | Iowa | 1936 | 491 | 12.5 m | |
| VOLGA RIVER | Iowa | 1960 | 491 | 91.4 m | |
| ELK CREEK | Iowa | 1964 | 491 | 16.8 m | |
| DOWD CREEK | Iowa | 1972 | 491 | 38.7 m | |
| LYONS CREEK | Iowa | 1947 | 490 | 13.7 m | |
| CREEK | Iowa | 1962 | 490 | 10.1 m | |
| SM STREAM | Iowa | 1950 | 490 | 7.3 m | |
| BR RAPID CR | Iowa | 1950 | 490 | 13.4 m | |
| LITTLE WHITEBREAST CREEK | Iowa | 1974 | 490 | 35.4 m | |
| DD 34 LAT #2 | Iowa | 1979 | 489 | 8.2 m | |
| PLAQUE MINE CREEK | Iowa | 1970 | 481 | 7.9 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.