100 Washington Square, Office skyscraper in downtown Minneapolis, United States.
100 Washington Square is a 22-story office building standing 332 feet (101 meters) tall in downtown Minneapolis. Its structure uses closely spaced steel columns that transfer weight to the central core, eliminating the need for interior support columns.
Construction began in 1979 and finished in 1981, marking an early phase of downtown Minneapolis development before the major skyscraper boom that came later. The building arrived at a turning point for the city's urban growth.
The structure displays modernist design principles through its narrow windows and green marble central shaft, creating a distinctive visual identity in the downtown skyline. These elements make the building easily recognizable as you walk through the city.
This building connects to Churchill Apartments and The Crossings through an integrated skyway system, making it easy to move between structures regardless of weather. The office space spans all 22 floors and totals about 481,600 square feet.
The upper floors appear to hover above the green marble central shaft, creating an optical effect that changes throughout the day. Local photographers are drawn to capturing how the light and shadows enhance this floating illusion.
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