A-frame portal (232)
Beam (6,046)
Chicago & North Western Railway (470)
Des Moines River (159)
Eddyville, Iowa (3)
Iowa (3,503)
Minneapolis & St. Louis Railway (82)
Monroe County, Iowa (29)
Open (28,309)
| Owned by railroad (4,039)
Pratt through truss (3,166)
Pratt truss (5,658)
Railroad (4,070)
Through truss (9,205)
Timber stringer (1,858)
Total length 1000-2500 feet (1,213)
Truss (23,568)
Union Pacific Railroad (793)
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