Andrew County, MO Shrink-Swell Risk

Shrink-swell potential in Andrew County, MO

Moderate

Soil across 49.6% of Andrew County, MO comes back "Moderate" in USDA's shrink-swell data, averaging 4.67% linear extensibility. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Andrew County, MO - never a reading for one specific parcel. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Andrew County: the real numbers

Andrew 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.

Andrew County's rank among Missouri counties

Among the 3,085 rated counties on this site, Andrew County, MO ranks 356 most-constrained nationally, and 46 of 114 within Missouri. Andrew County covers 433 square miles and counts 18,091 residents.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. New Madrid County, MO and Cherokee 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

Elsewhere in Missouri

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