The fire happened early Wednesday morning on the 1800 block of Beaver Dam Road in Honey Brook.
The animals inside the barn were moved to a safe location and no one was injured.
Despite the devastating damage, by Friday a group of Amish builders and contractors were on the scene working, with much of the new structure already erected.
There is so far no word on what caused the blaze.
Fire crews battle barn blaze in Chester County
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