American Bridge Co. (449)
Built 1926 (472)
Built during 1920s (7,031)
Chicago & North Western Railway (470)
Curved (147)
Deck girder (1,797)
Girder (3,233)
Hardin County, Iowa (36)
Iowa (3,495)
| Iowa River (61)
Iowa River Railroad (5)
Minneapolis & St. Louis Railway (82)
Open (28,302)
Owned by railroad (4,037)
Plate girder (2,248)
Railroad (4,068)
Steamboat Rock, Iowa (4)
Union Pacific Railroad (793)
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