Frost line depth in Pike County, IN

How deep the ground freezes in Pike County, IN

21 in. Dig to 21 in, just below the frost. Nearest NOAA station: Petersburg 61 Brg, 5 mi.

Your building department sets the legal frost line depth (IRC Table R301.2(1)); footings must go below it (R403.1.4.1). Call them before you dig.