Chicago’s tallest office building in three decades is nearly done rising

From Curbed Chicago

Downtown’s upcoming Bank of America Tower is approaching its final height of 815 feet along the south branch of the Chicago River. To mark the milestone, its developers celebrated a ceremonial topping-off event earlier this week and shared a fresh batch of construction photos with Curbed Chicago.

While the 55-story concrete core will soon rise no higher, work continues at 110 N. Wacker as the structural steel catches up. The topping-off ceremony comes just over one year after crews poured 3,300 cubic yards of concrete to create the office tower’s massive base. (read more)