Saline County, MO Shrink-Swell Risk

Saline County, MO's soil, for shrink-swell risk

Moderate

Saline County, MO: USDA's soil survey rates 73.6% of the county "Moderate" for shrink-swell potential (4.4% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Saline County's reading doesn't cover

Two lots a mile apart in Saline 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 Saline County.

What it costs to find out, versus to ignore it

With Saline County, MO 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.

Saline County's rank among Missouri counties

Nationally, Saline County, MO is the 409-most-constrained of 3,085 rated counties for shrink-swell soil. Within Missouri alone it ranks 51 of 114. The county spans 756 square miles, home to 23,325 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Bath County, VA and Campbell County, SD 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 Missouri

Every county in Missouri is on this site, including Knox County, MO and Washington County, MO. The full underlying dataset is downloadable directly, one row per county.