Henry County, AL Shrink-Swell Risk

Shrink-swell potential in Henry County, AL

Low

Soil across 88.1% of Henry County, AL comes back "Low" in USDA's shrink-swell data, averaging 1.5% linear extensibility. That's as favorable a county-level reading as this dataset produces - standard foundation practice, pending one lot's own geotechnical report.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Henry 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 Henry County.

Henry County: the real numbers

Henry 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.

Henry County's rank among Alabama counties

Among the 3,085 rated counties on this site, Henry County, AL ranks 2,505 most-constrained nationally, and 49 of 67 within Alabama. Henry County, AL is 562 square miles with a population of 18,141.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Saline County, KS and San Bernardino County, CA 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 Jackson County, AL and Baldwin County, AL. The full underlying dataset is downloadable directly, one row per county.