32"
no Frost
The frost line in the city of Chicago is thought to be 36 inches. The average Chicago winter does not exceed the 36 inch frost line, but extremely cold winters can.
In the City of Pittsburgh, PA, the frost line typically ranges from 36-42 inches deep. This depth is the point where the ground is expected to freeze in the winter months. Understanding the frost line is important for construction projects to prevent damage to structures.
no Frost
24"
The frost line in Salt lake city is 30 in. I would assume that that is average for most of the state.
one metre
42 inches
42"
3ft
i dont know whho cares Most concrete foundations are buried 4' to get below the frost line which is around 3'.
What is the frost line depth in louisville Kentucky