Tilted Arc, Richard Serra, 1981 Tilted Arc was a controversial public art installation by Richard Serra, displayed in Foley Federal Plaza in Manhattan from 1981 to 1989. The art work consisted of a 120-foot long, 12-foot high solid, unfinished plate of rust-covered COR-TEN steel. Advocates characterized it as an important work by a well-known artist that transformed the space and advanced the concept of sculpture, whereas critics focused on its perceived ugliness and saw it as ruining the site. Following an acrimonious public