This photograph dates to 2013. I imagine the store was probably built in the early 1900s and it is of the shotgun form, among the most common designs for rural Georgia stores in the early 20th century.
Shotgun Store, Cadley
Vanishing Georgia: Photographs by Brian Brown
Since 2008. A visual survey of Georgia's historic architecture and culture. 9,000 locations. 30,000 images.
Found the house in Google Street View. It appears to have collapsed in the past few years.