Crockett County, TN Shrink-Swell Risk

Shrink-swell potential in Crockett County, TN

Low

Soil across 97.7% of Crockett County, TN comes back "Low" in USDA's shrink-swell data, averaging 1.47% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Crockett County, TN - 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 Crockett County.

Crockett County: the real numbers

Crockett 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.

Where this sits nationally

Among the 3,085 rated counties on this site, Crockett County, TN ranks 2,547 most-constrained nationally, and 83 of 95 within Tennessee. Crockett County covers 266 square miles and counts 13,973 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Edgefield County, SC and Owen County, KY 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 Tennessee

Every county in Tennessee is on this site, including DeKalb County, TN and Franklin County, TN. The full underlying dataset is downloadable directly, one row per county.