Trigg County, KY Shrink-Swell Risk

Shrink-swell potential in Trigg County, KY

Low

Soil across 80.5% of Trigg County, KY comes back "Low" in USDA's shrink-swell data, averaging 2.16% 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 Trigg County, KY - 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 Trigg County.

Trigg County: the real numbers

Trigg 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.

How Trigg County, KY compares

Among the 3,085 rated counties on this site, Trigg County, KY ranks 1,838 most-constrained nationally, and 79 of 120 within Kentucky. The county spans 441 square miles, home to 14,559 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Morton County, KS and Sussex County, NJ 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 Kentucky

Every county in Kentucky is on this site, including Bourbon County, KY and Bullitt County, KY. The full underlying dataset is downloadable directly, one row per county.