A-frame portal (423)
Butler County, Iowa (48)
Iowa (6,530)
Lally columns (312)
Lost (25,007)
Lost 1915 (46)
Lost during 1910s (505)
| Pratt through truss (5,431)
Pratt truss (9,352)
Replaced by new bridge (16,797)
Shell Rock River (42)
Shell Rock, Iowa (4)
Through truss (15,198)
Truss (32,984)
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