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.