Boone County, Iowa (111)
Built 1909 (773)
Built during 1900s (7,249)
Des Moines River (228)
Iowa (6,527)
Iowa Bridge Co. (58)
Lost (24,929)
| Lost 1928 (46)
Lost during 1920s (489)
Owned by county (20,839)
Pin-connected (3,920)
Replaced by new bridge (16,732)
Through truss (15,155)
Truss (32,928)
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