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 | 1977 | 50 | 7.9 m | |
| MILL CREEK | Iowa | 1924 | 50 | 31.1 m | |
| DEEP CREEK | Iowa | 1953 | 50 | 28.7 m | |
| SMALL CREEK | Iowa | 1900 | 50 | 18.9 m | |
| N BR NORTH RIVER | Iowa | 1915 | 50 | 38.1 m | |
| NO LIZARD CK DD #168 | Iowa | 1960 | 50 | 8.8 m | |
| PURCELL CREEK | Iowa | 1975 | 50 | 7.9 m | |
| STREAM | Iowa | 1967 | 50 | 12.8 m | |
| TURKEY RUN | Iowa | 1948 | 50 | 12.8 m | |
| S RIVER | Iowa | 1966 | 50 | 101.2 m | |
| WATERWAY | Iowa | 1958 | 50 | 13.7 m | |
| STREAM | Iowa | 1984 | 50 | 12.2 m | |
| LONE TREE BRANCH | Iowa | 1987 | 50 | 15.2 m | |
| CREEK | Iowa | 1978 | 50 | 10.4 m | |
| GRASS WATERWAY | Iowa | 1954 | 50 | 7.0 m | |
| CREEK | Iowa | 1956 | 50 | 39.0 m | |
| BR LITTLE WAPSIPINICON R | Iowa | 1986 | 50 | 8.2 m | |
| CREEK | Iowa | 1960 | 50 | 10.1 m | |
| ROCK RUN CR | Iowa | 1920 | 50 | 19.5 m | |
| ROCK RUN CREEK | Iowa | 1974 | 50 | 11.9 m | |
| ROCK CR | Iowa | 1946 | 50 | 55.8 m | |
| BR GOWER CR | Iowa | 1924 | 50 | 7.9 m | |
| MUD CREEK | Iowa | 1939 | 50 | 36.6 m | |
| BR MILL CR | Iowa | 1925 | 50 | 8.2 m | |
| PRAIRIE CREEK | Iowa | 1965 | 50 | 13.1 m | |
| SMALL STREAM | Iowa | 1997 | 50 | 9.8 m | |
| SAND CREEK | Iowa | 1963 | 50 | 13.7 m | |
| SKILLET CREEK | Iowa | 1982 | 50 | 18.9 m | |
| BRANCH COAL CREEK | Iowa | 1955 | 50 | 18.0 m | |
| ROCK CREEK | Iowa | 1963 | 50 | 25.3 m | |
| CREEK | Iowa | 1955 | 50 | 7.0 m | |
| BALLARD CREEK | Iowa | 1953 | 50 | 7.6 m | |
| LYTLE CREEK | Iowa | 1977 | 50 | 12.5 m | |
| SCHOOL CREEK | Iowa | 1933 | 50 | 6.4 m | |
| BIG BEAR CREEK | Iowa | 1950 | 50 | 55.5 m | |
| SUGAR CREEK | Iowa | 1923 | 50 | 7.0 m | |
| STREAM | Iowa | 1951 | 50 | 27.7 m | |
| LOST BRANCH CREEK | Iowa | 1984 | 50 | 31.4 m | |
| BLUFF CREEK | Iowa | 1948 | 50 | 37.5 m | |
| MUCHAKINOCH CREEK | Iowa | 1951 | 50 | 37.5 m | |
| ROCK CREEK | Iowa | 1973 | 50 | 7.6 m | |
| BRANCH OF BLACKHAWK CRK | Iowa | 1976 | 50 | 10.1 m | |
| MIDDLE RIVER | Iowa | 1959 | 50 | 38.7 m | |
| MIDDLE RIVER | Iowa | 1962 | 50 | 31.1 m | |
| TRIB DES MOINES R | Iowa | 1969 | 50 | 18.6 m | |
| SOUTH RACOON RIVER | Iowa | 1957 | 50 | 77.1 m | |
| STREAM | Iowa | 1977 | 50 | 12.5 m | |
| STREAM | Iowa | 1973 | 50 | 43.3 m | |
| SOUTH RACCOON | Iowa | 1959 | 50 | 45.7 m | |
| MUD CREEK | Iowa | 1920 | 50 | 46.6 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.