structure #103486162building

Willis Tower

existing 442.1 m 108 floors 1974

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Building Mass Height	442.1 m Source: Database of Marshall Gerometta
Tip Height	527 m
Building Mass Height	442.1 m Source: Database of Marshall Gerometta
Architectural Height	442.1 m
Roof Height	442.1 m
Main Roof Height	436.5 m
Height Top Floor	412.7 m
Observation Floor Height	412.7 m
Floors	108
Completion	1974
Structural Form	supertall building
Main Usage	commercial office
Status	existing
Architectural Style	international style
Address	233 South Wacker Drive
Smart Address	233 South Wacker Drive
Smart Address	200–250 South Franklin Street
Smart Address	301–349 West Adams Street
Smart Address	300–348 West Jackson Boulevard
City	Chicago, IL
Country	United States