Grand Traverse County, MI Shrink-Swell Risk

Shrink-swell potential in Grand Traverse County, MI

Low

Soil across 99.3% of Grand Traverse County, MI comes back "Low" in USDA's shrink-swell data, averaging 1.26% linear extensibility. That's the easiest starting point on this site's scale - a standard foundation is the reasonable default here, though any one lot can still differ.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Grand Traverse County, MI - never a reading for one specific parcel. A site-specific soil report, usually $1,000-$5,000, is what an engineer would actually pull before designing a foundation on a lot in Grand Traverse County.

Grand Traverse County: the real numbers

Grand Traverse County's soil reading points toward standard foundation practice as the likely outcome, not the exception. A geotechnical report runs $1,000-$5,000, typically around $2,700. Foundation repair, if a specific lot turns out to differ from the county average, runs $5,000-$15,000.

Grand Traverse County's rank among Michigan counties

Among the 3,085 rated counties on this site, Grand Traverse County, MI ranks 2,732 most-constrained nationally, and 51 of 83 within Michigan. The county spans 464 square miles, home to 96,625 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Ida County, IA and Haralson County, GA are worth a look for comparison.

How this reading is built, and its real limits · Moisture management: the cheap fix that works on any soil

Elsewhere in Michigan

Every county in Michigan is on this site, including Huron County, MI and Mecosta County, MI. The full underlying dataset is downloadable directly, one row per county.