World's Skinniest Skyscraper, 111 West 57 th Street, Manhattan

The world's skinniest skyscraper, 111 West 57th Street is completed in New York City. The 1,428-foot tall supertall skyscraper is the world's skinniest and the second tallest building in the Western Hemisphere. 


Image Credits: www.shoparc.com


The building is designed by SHoP Architects and it is constructed in Billionaires' Row in Midtown, Manhattan. The designers employed an innovative approach to use authentic material from the golden age of the Manhattan skyscraper i.e. the terracotta.

The tower construction news was announced in 2013, the construction started in 2014, the work was held due to financial reasons in the year 2017, and later in 2018, it reached its full height. In March 2022 end the tower was completed and prepared for residents to move in. 

Image Credits: www.shoparc.com

11 West 57th Street, also known as Steinway Tower, was developed by Michael Stern's JDS Development Group and Kevin P. Maloney's Property Markets Group (PMG).


Construction Details 


  • 111 West 57th Street is 435 m high with 82 floors. It has a slenderness ratio of  1:24.
  • The building is very finely taped to provide a feathered look rather than a stepped-back look. 
Image Credits: www.shoparc.com

  • Each small step is marked by a solid terracotta pilaster, with a curving bronze filigree that stretches between the pilasters to climb the building. 
  • To endure wind and seismic forces, the necessary strength to WSP is provided with two shear walls that run runs the height of the east and the west elevations of the building.
  • A tuned mass damper is provided at the top of the building to facilitate movements.

Anre A

I am a structural engineering professional who is passionate about researching new content in the construction industry and bringing to people around the world.

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