In the early 1960s, architect Ralph Rapson was immersed in what would become two of his most lauded landmarks, the Guthrie Theater in Minneapolis, and the Pillsbury House on the shores of Lake Minnetonka in Wayzata. Each has been demolished.
At the same time, his office was involved in a third project: a branch of the State Capitol Credit Union, near the University of Minnesota campus in Minneapolis.
Several years after it opened, the building was converted to a city library. Fortunately, this pint-size exercise in Modernism and Brutalism not only survives, but it's thriving, thanks to an $11.6 million investment from that leading proponent of civic architecture, the Hennepin County Library.
A 13-month renovation and restoration has revealed every square inch of the building's rough-hewed beauty and practical nature.
The structure's primary characteristic is a massive concrete roof, its underside dimpled with a waffle-like pattern. This canopy forms a gigantic square, roughly 100 feet per side, and it rests on 16 slender, cross-shaped pillars.
A continuous ribbon of clerestory windows surrounds the building's outer edges, furthering the illusion that all those tons of concrete somehow are floating daintily on those tapered concrete pillars. What a great sleight-of-hand.
The exterior walls aren't blandly ruler-straight, either. Instead, Rapson relied upon an irregularly placed series of brick-and-glass cubes to animate the building's outer edges.
"Rapson was always playing with geometry," said architect Todd Grover of MacDonald & Mack in Minneapolis, which managed the renovation in collaboration with Quinn Evans of Washington, D.C., and the Minneapolis landscape architecture firm of Damon Farber. "The walls pull and push against that strong grid. It's not just a box."