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 DITCH | Iowa | 1978 | 1,494 | 10.7 m | |
| DD | Iowa | 1973 | 1,446 | 23.8 m | |
| HARDIN CREEK | Iowa | 1973 | 1,446 | 23.8 m | |
| DRY CREEK | Iowa | 1961 | 1,444 | 6.4 m | |
| BLACKHAWK CREEK | Iowa | 1977 | 1,429 | 39.0 m | |
| BLACKHAWK CREEK | Iowa | 1977 | 1,429 | 31.4 m | |
| DRAINAGE | Iowa | 1900 | 1,429 | 32.3 m | |
| BOHEMIAN CREEK | Iowa | 1951 | 1,420 | 19.8 m | |
| BEAR CREEK | Iowa | 1957 | 1,414 | 7.6 m | |
| LITTLE CEDAR RIVER | Iowa | 1974 | 1,414 | 85.3 m | |
| MILL CREEK | Iowa | 1970 | 1,410 | 52.7 m | |
| BADGER CREEK | Iowa | 1956 | 1,404 | 38.7 m | |
| WOLF CREEK BRANCH | Iowa | 1975 | 1,394 | 12.2 m | |
| WAPSIPINICON RIVER | Iowa | 1962 | 1,390 | 107.0 m | |
| ELK CREEK | Iowa | 1962 | 1,370 | 39.0 m | |
| IOWA RIVER | Iowa | 1953 | 1,365 | 163.4 m | |
| MILL CREEK | Iowa | 1962 | 1,360 | 38.7 m | |
| ROCK CREEK | Iowa | 1959 | 1,350 | 38.4 m | |
| LITTLE TURKEY RIVER | Iowa | 1954 | 1,344 | 54.9 m | |
| OVER BNSF RR | Iowa | 1930 | 1,325 | 48.5 m | |
| LOST CREEK | Iowa | 1953 | 1,310 | 47.2 m | |
| DD | Iowa | 1973 | 1,287 | 23.8 m | |
| OCHEYEDAN RIVER | Iowa | 1971 | 1,287 | 61.9 m | |
| MUD CREEK | Iowa | 1940 | 1,280 | 46.9 m | |
| DRY RUN CREEK | Iowa | 1900 | 1,273 | 10.7 m | |
| CEDAR RIVER | Iowa | 1969 | 1,267 | 315.2 m | |
| DES MOINES RIVER | Iowa | 1960 | 1,263 | 127.1 m | |
| CREEK | Iowa | 1973 | 1,260 | 9.8 m | |
| MOSQUITO CREEK | Iowa | 1978 | 1,260 | 21.0 m | |
| FOX RIVER | Iowa | 1973 | 1,260 | 68.9 m | |
| MOSQUITO CK | Iowa | 1978 | 1,260 | 31.4 m | |
| RACCOON RIVER | Iowa | 1976 | 1,228 | 35.1 m | |
| AMES CREEK | Iowa | 1971 | 1,220 | 23.8 m | |
| OVER UP RR | Iowa | 1940 | 1,210 | 32.3 m | |
| FLINT RIVER | Iowa | 1960 | 1,210 | 46.3 m | |
| SMALL NATURAL STREAM | Iowa | 1959 | 1,207 | 46.9 m | |
| DD DIST 57 | Iowa | 1978 | 1,197 | 10.1 m | |
| W FORK DES MOINES RIVER | Iowa | 1966 | 1,196 | 69.8 m | |
| STREAM | Iowa | 1937 | 1,190 | 6.4 m | |
| QUARTER SECTION RUN | Iowa | 1948 | 1,188 | 26.2 m | |
| BNSF RR | Iowa | 1929 | 1,187 | 57.3 m | |
| INDIAN CREEK | Iowa | 1938 | 1,180 | 13.1 m | |
| NORTH SKUNK RIVER | Iowa | 1935 | 1,170 | 90.8 m | |
| DRAINAGE DITCH | Iowa | 1919 | 1,159 | 8.2 m | |
| LIZARD CREEK | Iowa | 1974 | 1,157 | 39.0 m | |
| BIG CREEK | Iowa | 1959 | 1,151 | 48.5 m | |
| BASKINS CREEK | Iowa | 1971 | 1,149 | 26.8 m | |
| INDIAN CREEK | Iowa | 2002 | 1,129 | 29.6 m | |
| SMALL NATURAL STREAM | Iowa | 1939 | 1,117 | 7.6 m | |
| PRAIRIE CREEK | Iowa | 1965 | 1,090 | 23.8 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.