Bremer County, Iowa (54)
Clinton Bridge & Iron Works (70)
Frederika, Iowa (2)
Iowa (6,469)
Lost (24,601)
Pin-connected (3,891)
| Pratt through truss (5,370)
Pratt truss (9,268)
Through truss (15,013)
Truss (32,702)
Wapsipinicon River (77)
Wooden deck (6,065)
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