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.