Lincoln County, TN Shrink-Swell Risk
Lincoln County's SSURGO shrink-swell reading
Moderate
In Lincoln County, TN, 64.8% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.44% linear extensibility on average. That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.
Before you rely on this for one address
Lincoln County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).
Budgeting for Lincoln County, TN
Lincoln 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, Lincoln County, TN ranks 879 most-constrained nationally, and 9 of 95 within Tennessee. Lincoln County covers 570 square miles and counts 36,751 residents.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Clinton County, MO and Burleigh County, ND 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 Cheatham County, TN and Bedford County, TN. The full underlying dataset is downloadable directly, one row per county.