55 West Wacker Blue Cross-Blue Shield Building Chicago

55 West Wacker office building in Chicago, Illinois, located along the Chicago River in the Loop business district. Brutalist commercial architecture designed by C.F. Murphy Associates featuring a concrete facade, deep-set windows, and a strong riverfront office presence near Wacker Drive and Dearborn Street. Built in 1968 as the Blue Cross Blue Shield of Illinois headquarters, the 16-story building is also historically known as the Blue Cross-Blue Shield Building – © 2026 David Oppenheimer – Performance Impressions photography archives https://performanceimpressions.com