Arch (12,105)
Chicago & North Western Railway (1,405)
Chicago Great Western Railway (197)
Closed (2,666)
Deck arch (11,343)
Iowa (6,511)
Norwoodville, Iowa (1)
| Owned by county (20,789)
Polk County, Iowa (272)
Railroad (15,439)
Span length under 25 feet (6,900)
Stone arch (3,052)
Total length under 25 feet (2,499)
Union Pacific Railroad (2,374)
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