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 |
|---|---|---|---|---|---|
| CREEK | Iowa | 1915 | 39 | 15.5 m | |
| CREEK | Iowa | 1968 | 39 | 14.3 m | |
| IOWA RIVER | Iowa | 1914 | 39 | 76.2 m | |
| EAST BRANCH SALT CREEK | Iowa | 1936 | 39 | 13.1 m | |
| JORDAN CREEK | Iowa | 1940 | 39 | 10.1 m | |
| TWELVE MILE CREEK | Iowa | 1925 | 39 | 12.5 m | |
| MINERS CREEK | Iowa | 1916 | 39 | 12.2 m | |
| CREEK | Iowa | 1900 | 39 | 8.2 m | |
| DOWD CREEK | Iowa | 1916 | 39 | 16.2 m | |
| UPPER IOWA RIVER | Iowa | 1913 | 39 | 46.3 m | |
| SAND CREEK | Iowa | 1953 | 39 | 39.6 m | |
| CREEK | Iowa | 1950 | 39 | 25.9 m | |
| OVERFLOW L VOLGA R | Iowa | 1916 | 39 | 24.8 m | |
| MINK CR | Iowa | 1923 | 39 | 16.2 m | |
| DEEP CREEK | Iowa | 2000 | 39 | 17.1 m | |
| VOLGA RIVER | Iowa | 1941 | 39 | 17.7 m | |
| CREEK | Iowa | 1970 | 39 | 13.1 m | |
| CREEK | Iowa | 1924 | 39 | 10.4 m | |
| SOUTH FORK BEAVER CREEK | Iowa | 1977 | 39 | 17.1 m | |
| MIDDLE FORK BEAVER CREEK | Iowa | 1948 | 39 | 38.4 m | |
| NORTH FORK BEAVER | Iowa | 1981 | 39 | 12.5 m | |
| RICHLAND CREEK | Iowa | 1935 | 39 | 13.1 m | |
| CREEK | Iowa | 1988 | 39 | 10.4 m | |
| BEAVER CREEK | Iowa | 1984 | 39 | 15.9 m | |
| SOUTH FORK IOWA RIVER | Iowa | 1939 | 39 | 25.9 m | |
| BRANCH SALT CREEK | Iowa | 1940 | 39 | 13.1 m | |
| EAST BRANCH SALT CREEK | Iowa | 1969 | 39 | 9.8 m | |
| CREEK | Iowa | 1900 | 39 | 7.3 m | |
| SMALL STREAM | Iowa | 1986 | 39 | 12.2 m | |
| DEER CREEK | Iowa | 1960 | 39 | 9.4 m | |
| SOUTH TIMBER CREEK | Iowa | 1957 | 39 | 13.7 m | |
| DRAINAGE | Iowa | 1900 | 37 | 6.4 m | |
| CAMP CREEK | Iowa | 1959 | 36 | 24.7 m | |
| BOONE RIVER | Iowa | 1925 | 36 | 12.5 m | |
| STREAM | Iowa | 1955 | 35 | 9.8 m | |
| STREAM | Iowa | 1948 | 35 | 7.9 m | |
| NISHNABOTNA RIVER | Iowa | 1958 | 35 | 49.4 m | |
| STREAM | Iowa | 1905 | 35 | 7.9 m | |
| STREAM | Iowa | 1956 | 35 | 21.0 m | |
| EMERY CREEK | Iowa | 1900 | 35 | 9.8 m | |
| BUCK CREEK | Iowa | 1980 | 35 | 32.3 m | |
| ELKHORN CREEK (LITTLE) | Iowa | 1915 | 35 | 8.8 m | |
| W BR WAPSINONOC CR | Iowa | 1925 | 35 | 13.1 m | |
| W BR WAPSINONOC CREEK | Iowa | 1979 | 35 | 7.3 m | |
| WHITE FOX CREEK | Iowa | 1914 | 35 | 9.8 m | |
| FULTON TWP | Iowa | 1956 | 35 | 7.6 m | |
| N SKUNK RIVER | Iowa | 1960 | 35 | 61.6 m | |
| TIPTON CREEK | Iowa | 1989 | 35 | 28.0 m | |
| BRANCH FISH CREEK | Iowa | 1974 | 35 | 16.8 m | |
| CROOKED CREEK | Iowa | 1956 | 35 | 28.0 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.