19th Century (9,802)
Built 1894 (271)
Built during 1890s (3,423)
Iowa (6,910)
Johnston, Iowa (5)
Lost (32,321)
Lost 1914 (78)
| Lost during 1910s (849)
Polk County, Iowa (284)
Replaced by new bridge (22,027)
Thacher truss (17)
Through truss (19,326)
Truss (38,718)
Urbandale, Iowa (4)
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