Spencer County, IN Shrink-Swell Risk
Spencer County's SSURGO shrink-swell reading
Low
In Spencer County, IN, 73.2% of the surveyed soil carries a "Low" shrink-swell rating, 2.45% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.
Before you rely on this for one address
Spencer 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 Spencer County, IN
Spencer 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, Spencer County, IN ranks 1,604 most-constrained nationally, and 65 of 90 within Indiana. The county spans 397 square miles, home to 20,192 people.
Before you act on this
Orleans Parish, LA carries this site's most-constrained reading. Lincoln County, WY and Florence County, SC 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 Indiana
Every county in Indiana is on this site, including Putnam County, IN and Sullivan County, IN. The full underlying dataset is downloadable directly, one row per county.