Entz Barn, 8801 Dysart Rd, Waterloo (Black Hawk County)
J.E. Entz built this gambrel roof dairy barn over a 24-year period from 1920 to 1944. The barn is 100 feet long, 36 feet wide, and 36 feet tall. The foundation and walls are built from locally harvested fieldstones and concrete. The support beams and loft floor are made of concrete, reinforced with steel. There are no horizontal rafters required with the roof’s design, which maximized hay storage capacity in the loft. The barn was home to a dairy operation until 1980.
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