Russell County, KY Shrink-Swell Risk
What Russell County, KY's soil means for a foundation
Low
USDA's SSURGO data puts Russell County, KY's soil at "Low" shrink-swell potential, an area-weighted linear extensibility of 2.15% across 84.7% of the county's surveyed land. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
This is a county figure, not a lot figure
USDA's survey covers the whole of Russell County, KY at once, not any single address. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Russell County will actually do.
Report cost vs. repair cost
With Russell County, KY rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.
Russell County's rank among Kentucky counties
Nationally, Russell County, KY is the 1,846-most-constrained of 3,085 rated counties for shrink-swell soil. Within Kentucky alone it ranks 81 of 120. Russell County covers 253 square miles and counts 18,458 residents.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Dearborn County, IN and Westmoreland County, PA 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
More of Kentucky
Every county in Kentucky is on this site, including Bath County, KY and Campbell County, KY. The full underlying dataset is downloadable directly, one row per county.