Frost line depth in New Madrid County, MO

How deep the ground freezes in New Madrid County, MO

15 in. Dig to 15 in, just below the frost. Nearest NOAA station: New Madrid, 6.9 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.

Code depth · Snow