Maries County, MO Shrink-Swell Risk

Maries County's SSURGO shrink-swell reading

Moderate

In Maries County, MO, 58.1% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.29% linear extensibility on average. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

Before you rely on this for one address

Maries County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Maries County will actually do.

Budgeting for Maries County, MO

Maries 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, Maries County, MO ranks 983 most-constrained nationally, and 72 of 114 within Missouri. Maries County covers 527 square miles and counts 8,506 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Borden County, TX and Reno County, KS 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 Missouri

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