Bremer County, Iowa (58)
Clinton Bridge & Iron Works (76)
Frederika, Iowa (2)
Iowa (6,793)
Lost (28,489)
Pin-connected (4,697)
| Pratt through truss (6,057)
Pratt truss (10,299)
Through truss (16,792)
Truss (35,469)
Wapsipinicon River (82)
Wooden deck (6,161)
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