In 1973, American Bridge fabricated and erected 78,000 tons of structural steel for the Sears Tower in Chicago, Illinois. This 110-story, 1,454-foot skyscraper, more recently known as the Willis Tower can be found towering over the Chicago skyline.
- Owner: Sears Roebuck & Co.
- Location: Chicago, Illinois
- Completion Date: October 1973
- Structure Type: Special Structure