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 |
|---|---|---|---|---|---|
| STREAM | Iowa | 1916 | 16 | 12.2 m | |
| ROBERTS CREEK | Iowa | 1917 | 16 | 15.5 m | |
| AMES CREEK | Iowa | 1912 | 16 | 11.3 m | |
| DRAINAGE DITCH NO 6 | Iowa | 1956 | 16 | 13.4 m | |
| STREAM | Iowa | 1981 | 16 | 15.5 m | |
| HONEY CREEK | Iowa | 1919 | 16 | 23.8 m | |
| CREEK | Iowa | 1977 | 16 | 8.8 m | |
| CREEK | Iowa | 1989 | 16 | 9.8 m | |
| HONEY CREEK | Iowa | 1963 | 16 | 21.6 m | |
| TIPTON CREEK | Iowa | 1987 | 16 | 15.9 m | |
| LYNN CREEK | Iowa | 1975 | 16 | 16.2 m | |
| EAST FORK CROOKED CREEK | Iowa | 1914 | 16 | 11.3 m | |
| BR CRANE CREEK | Iowa | 1970 | 16 | 7.9 m | |
| SMALL STREAM | Iowa | 1926 | 16 | 6.7 m | |
| ALLOWAY CREEK | Iowa | 1965 | 16 | 18.0 m | |
| SMALL STREAM | Iowa | 1952 | 16 | 8.2 m | |
| ALLOWAY CREEK | Iowa | 1937 | 16 | 13.1 m | |
| BRANCH OF SUGAR CREEK | Iowa | 1940 | 16 | 18.0 m | |
| OTTER CR | Iowa | 1921 | 16 | 21.9 m | |
| BR OF CEDAR CREEK | Iowa | 1937 | 16 | 7.3 m | |
| CHARITON RIVER | Iowa | 1934 | 16 | 30.2 m | |
| FIVE MILE CREEK | Iowa | 1940 | 16 | 14.6 m | |
| DR TO FIVE MILE CREEK | Iowa | 1940 | 16 | 11.9 m | |
| STREAM | Iowa | 1925 | 16 | 10.4 m | |
| CALHOUN CREEK | Iowa | 1953 | 16 | 13.1 m | |
| BRUSH CREEK | Iowa | 1917 | 16 | 16.5 m | |
| SOUTH TIMBER CREEK | Iowa | 1939 | 16 | 21.3 m | |
| SNIPE CREEK | Iowa | 1950 | 16 | 11.6 m | |
| BR MINERVA CR | Iowa | 1947 | 16 | 10.7 m | |
| CREEK | Iowa | 1956 | 16 | 7.9 m | |
| DOWD CREEK | Iowa | 1916 | 16 | 17.4 m | |
| BRUSH CREEK | Iowa | 1930 | 16 | 11.6 m | |
| CREEK | Iowa | 1940 | 15 | 13.7 m | |
| CREEK | Iowa | 1932 | 15 | 21.0 m | |
| SMALL | Iowa | 1979 | 15 | 14.6 m | |
| PLUM CREEK | Iowa | 1976 | 15 | 11.0 m | |
| BR ROCK CR | Iowa | 1920 | 15 | 13.4 m | |
| BEAVER DAM CREEK | Iowa | 1913 | 15 | 18.3 m | |
| PITCHER CR | Iowa | 1926 | 15 | 10.4 m | |
| OVERFLOW CHANNEL | Iowa | 1925 | 15 | 7.9 m | |
| CREEK | Iowa | 1916 | 15 | 7.9 m | |
| WILLOW CREEK | Iowa | 1917 | 15 | 10.4 m | |
| DD | Iowa | 1976 | 15 | 10.1 m | |
| PIGEON CREEK | Iowa | 1967 | 15 | 26.2 m | |
| WILLOW CREEK | Iowa | 1975 | 15 | 50.0 m | |
| NORTH WALNUT CREEK | Iowa | 1930 | 15 | 11.3 m | |
| BR UPPER IOWA RIVER | Iowa | 1951 | 15 | 18.6 m | |
| STAFF CR | Iowa | 1944 | 15 | 26.8 m | |
| DRAINAGE DITCH | Iowa | 1948 | 15 | 7.3 m | |
| PRAIRIE CREEK | Iowa | 1900 | 15 | 20.7 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.