Pike County, IL Shrink-Swell Risk

Pike County, IL's soil, for shrink-swell risk

Moderate

Pike County, IL: USDA's soil survey rates 51.5% of the county "Moderate" for shrink-swell potential (3.29% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Pike County's reading doesn't cover

Two lots a mile apart in Pike County can carry different soil, even though they share one countywide reading. 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 Pike County.

What it costs to find out, versus to ignore it

With Pike County, IL rating "Moderate", 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.

Pike County's rank among Illinois counties

Nationally, Pike County, IL is the 982-most-constrained of 3,085 rated counties for shrink-swell soil. Within Illinois alone it ranks 81 of 101. The county spans 831 square miles, home to 14,258 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Abbeville County, SC and Mills County, IA 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 Illinois

Every county in Illinois is on this site, including Sangamon County, IL and Pope County, IL. The full underlying dataset is downloadable directly, one row per county.