Lawrence County, AR Shrink-Swell Risk

Lawrence County, AR's soil, for shrink-swell risk

Moderate

Lawrence County, AR: USDA's soil survey rates 62.3% of the county "Moderate" for shrink-swell potential (3.99% linear extensibility). Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What Lawrence County's reading doesn't cover

Two lots a mile apart in Lawrence 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 Lawrence County.

What it costs to find out, versus to ignore it

With Lawrence County, AR 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.

Lawrence County's rank among Arkansas counties

Nationally, Lawrence County, AR is the 570-most-constrained of 3,085 rated counties for shrink-swell soil. Within Arkansas alone it ranks 23 of 75. Lawrence County covers 588 square miles and counts 16,305 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Yakutat City and Borough, AK and Jackson County, AL 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 Arkansas

Every county in Arkansas is on this site, including Monroe County, AR and Crittenden County, AR. The full underlying dataset is downloadable directly, one row per county.