Built 1937 (807)
Built during 1930s (11,750)
Canadian Pacific Railway (559)
Chicago, Milwaukee, St. Paul & Pacific Railroad (1,030)
Dakota, Minnesota, & Eastern Railroad (342)
Deck girder (5,753)
Girder (10,245)
I&M Rail Link (161)
Iowa (6,511)
| Iowa, Chicago & Eastern Railroad (224)
Monroe County, Iowa (52)
Open (39,895)
Owned by railroad (12,432)
Plate girder (7,933)
Railroad (15,437)
Soo Line Railroad (299)
Steel Trestle (151)
Tall Bridges (324)
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