Boone County, Iowa (106)
Built 1909 (704)
Built during 1900s (6,623)
Des Moines River (226)
Iowa (6,096)
Iowa Bridge Co. (56)
Lost (20,705)
| Lost 1928 (30)
Lost during 1920s (348)
Owned by county (19,444)
Pin-connected (3,634)
Replaced by new bridge (13,571)
Through truss (13,567)
Truss (30,512)
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