Chicago River Bascule Bridge, Columbus Avenue, Spanning Chicago River at Columbus Avenue, Chicago, Cook County, IL
Photo Caption Pages
Spanning Chicago River at Columbus Avenue, Chicago, IL
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Documentation compiled after 1968.
Survey number HAER IL-136
Significance: Constructed in the early 1970s, the Columbus Avenue Bridge represents a continuation of the Chicago bascule bridge design, originally developed and refined in the early twentieth century by engineers employed by the city of Chicago.
Historic American Engineering Record (Library of Congress)
1. GENERAL VIEW OF BRIDGE, LOOKING NORTHEAST; THE BRIDGE IN THE DISTANCE IS THE OUTER ROAD BRIDGE
2. VIEW OF INTERIOR OF BRIDGETENDER'S HOUSE
3. VIEW OF ELECTRIC MOTOR AND GEARS FOR OPERATING LIFT SPAN
4. DETAIL OF TRUNION AND COUNTERWEIGHT
5. DETAIL OF COUNTERWEIGHT
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