Onterie Center, 60-story skyscraper in Streeterville, Chicago, US
Onterie Center comprises two interconnected towers, with the main tower reaching 570 feet and featuring diagonal concrete panels on its exterior.
The building, completed in 1986, represents the final architectural project of structural engineer Fazlur Rahman Khan before his death.
The architectural design by Skidmore, Owings & Merrill incorporates innovative structural elements that influenced subsequent high-rise construction methods.
The structure contains 594 residential apartments, 140,000 square feet of office space, and a parking garage accommodating 363 vehicles.
This building stands as the first concrete high-rise globally to implement diagonal shearwalls at its perimeter, reducing internal structural columns.
Location: Chicago
Inception: 1986
Architects: Skidmore, Owings & Merrill
Official opening: 1986
Floors above the ground: 60
Address: 446 E. Ontario
GPS coordinates: 41.89368,-87.61606
Latest update: March 13, 2025 12:28
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