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 |
|---|---|---|---|---|---|
| SPRING CREEK | Iowa | 1954 | 88 | 21.3 m | |
| BOHEMIAN CREEK | Iowa | 1922 | 88 | 22.9 m | |
| LITTLE WAPSIPINICON RVR | Iowa | 1980 | 88 | 56.1 m | |
| BOHEMIAN CREEK | Iowa | 1962 | 88 | 17.7 m | |
| CREEK | Iowa | 1976 | 88 | 14.6 m | |
| MINOR CREEK | Iowa | 1970 | 88 | 22.9 m | |
| BUFFALO CREEK | Iowa | 1940 | 88 | 59.1 m | |
| SOUTH TIMBER CREEK | Iowa | 1942 | 88 | 32.0 m | |
| OTTER CREEK | Iowa | 1969 | 88 | 25.3 m | |
| LUTES CREEK | Iowa | 1938 | 82 | 19.5 m | |
| BRANCH N SKUNK RIVER | Iowa | 1910 | 82 | 9.8 m | |
| DRAINAGE DITCH | Iowa | 1928 | 82 | 7.9 m | |
| LINDNER CREEK | Iowa | 1965 | 82 | 13.4 m | |
| SEVEN MILE CREEK | Iowa | 1980 | 82 | 24.7 m | |
| BR CARRUTHERS CREEK | Iowa | 1957 | 82 | 23.2 m | |
| LUTES CREEK | Iowa | 1937 | 82 | 19.5 m | |
| MILL BRANCH | Iowa | 1920 | 82 | 15.9 m | |
| SMALL STREAM | Iowa | 1975 | 82 | 7.6 m | |
| CREEK | Iowa | 1969 | 82 | 9.4 m | |
| BRANCH CRANE CREEK | Iowa | 1970 | 82 | 8.2 m | |
| PURCELL CREEK | Iowa | 1980 | 81 | 9.7 m | |
| CAMP CREEK | Iowa | 1930 | 81 | 25.3 m | |
| SOUTH LIZARD CREEK | Iowa | 1956 | 81 | 38.7 m | |
| PRAIRIE CREEK | Iowa | 1979 | 81 | 38.6 m | |
| DEER CREEK | Iowa | 1925 | 81 | 12.5 m | |
| SMALL STREAM | Iowa | 1966 | 80 | 13.7 m | |
| LITTLE CREEK | Iowa | 1917 | 80 | 8.8 m | |
| S COAL CREEK | Iowa | 1951 | 80 | 19.5 m | |
| SUGAR CR | Iowa | 1963 | 80 | 9.7 m | |
| STREAM | Iowa | 1950 | 80 | 13.1 m | |
| STREAM | Iowa | 1966 | 80 | 9.1 m | |
| OLIVE BRANCH CREEK | Iowa | 1956 | 80 | 10.7 m | |
| LITTLE BEAR CREEK | Iowa | 1970 | 80 | 14.9 m | |
| S FORK MAQUOKETA RIVER | Iowa | 1982 | 80 | 52.1 m | |
| DES MOINES RIVER | Iowa | 1909 | 80 | 214.3 m | |
| AVERY CREEK | Iowa | 1958 | 80 | 39.3 m | |
| TRIBUTARY BEAVER CREEK | Iowa | 1962 | 80 | 31.1 m | |
| PINE CR | Iowa | 1960 | 80 | 31.1 m | |
| SMALL STREAM | Iowa | 1974 | 80 | 13.1 m | |
| STREAM | Iowa | 1966 | 80 | 7.3 m | |
| WEST BRANCH MUD CREEK | Iowa | 1960 | 80 | 15.9 m | |
| STREAM | Iowa | 1915 | 80 | 8.2 m | |
| WOLF CREEK | Iowa | 1968 | 80 | 39.3 m | |
| CLEAR CREEK | Iowa | 1930 | 80 | 19.8 m | |
| BOHEMIAN CREEK | Iowa | 1959 | 80 | 10.4 m | |
| NORTH FORK CLEAR CREEK | Iowa | 1963 | 80 | 25.0 m | |
| AVERY CREEK | Iowa | 1970 | 80 | 22.3 m | |
| LITTLE WAPSIPINICON | Iowa | 1950 | 80 | 10.4 m | |
| DRAINAGE DITCH 36 | Iowa | 1968 | 80 | 9.1 m | |
| SMALL | Iowa | 1980 | 80 | 13.1 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.