Floyd County, Iowa (74)
Iowa (6,811)
Lally columns (354)
Lost (29,100)
M-frame portal (88)
Pin-connected (4,873)
Pratt through truss (6,129)
| Pratt truss (10,405)
Replaced by new bridge (19,782)
Shell Rock River (43)
Through truss (17,215)
Truss (35,966)
Wooden deck (6,174)
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