American Bridge Co. (1,660)
Built 1928 (1,221)
Built during 1920s (10,256)
Chicago & North Western Railway (1,447)
Chicago, Illinois (331)
Cook County, Illinois (490)
Deck girder (6,303)
Girder (11,169)
| Illinois (4,929)
Open (40,969)
Owned by railroad (13,500)
Plate girder (8,724)
Railroad (16,458)
Span length 25-50 feet (16,220)
Total length 75-100 feet (6,792)
Union Pacific Railroad (2,474)
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