Russell County, AL Shrink-Swell Risk

Shrink-swell potential in Russell County, AL

Moderate

Soil across 68.8% of Russell County, AL comes back "Moderate" in USDA's shrink-swell data, averaging 3.23% linear extensibility. That's a middle reading: not the sharp swings that crack a foundation outright, but enough that grading and drainage are worth getting right.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Russell County, AL - never a reading for one specific parcel. 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 Russell County.

Russell County: the real numbers

Russell 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, Russell County, AL ranks 1,022 most-constrained nationally, and 12 of 67 within Alabama. Russell County, AL is 641 square miles with a population of 58,837.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Pendleton County, KY and Nash County, NC 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 Alabama

Every county in Alabama is on this site, including Mobile County, AL and Marengo County, AL. The full underlying dataset is downloadable directly, one row per county.