Built 1913 (507)
Built during 1910s (6,729)
Chicago, Illinois (98)
Cook County, Illinois (167)
Illinois (2,499)
Movable (1,355)
Open (28,310)
Owned by railroad (4,039)
| Skewed (4,080)
Through truss (9,205)
Truss (23,568)
Vertical lift (275)
Warren through truss (926)
Warren through truss with all verticals (143)
Warren truss (3,958)
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