Gibson County, IN Shrink-Swell Risk

Shrink-swell potential in Gibson County, IN

Low

Soil across 73.4% of Gibson County, IN comes back "Low" in USDA's shrink-swell data, averaging 2.41% linear extensibility. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

What this number does and doesn't tell you

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

Gibson County: the real numbers

Gibson 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.

Gibson County's rank among Indiana counties

Among the 3,085 rated counties on this site, Gibson County, IN ranks 1,632 most-constrained nationally, and 68 of 90 within Indiana. Gibson County covers 487 square miles and counts 33,038 residents.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Walworth County, SD and Otter Tail County, MN 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 Indiana

Every county in Indiana is on this site, including Cass County, IN and Marion County, IN. The full underlying dataset is downloadable directly, one row per county.