19th Century (9,637)
Built 1894 (270)
Built during 1890s (3,390)
Iowa (6,869)
Johnston, Iowa (5)
Lost (31,832)
Lost 1914 (75)
| Lost during 1910s (830)
Polk County, Iowa (284)
Replaced by new bridge (21,710)
Thacher truss (17)
Through truss (19,043)
Truss (38,333)
Urbandale, Iowa (4)
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