Chicago & North Western Railway (1,404)
Girder (10,231)
Iowa (6,496)
Marshall County, Iowa (90)
Open (39,880)
Owned by railroad (12,415)
| Plate girder (7,920)
Railroad (15,408)
Span length 50-75 feet (10,073)
Through girder (3,810)
Total length 50-75 feet (9,299)
Union Pacific Railroad (2,372)
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