Sheridan County, MT Shrink-Swell Risk

Sheridan County's SSURGO shrink-swell reading

Moderate

In Sheridan County, MT, 60.9% of the surveyed soil carries a "Moderate" shrink-swell rating, 3.26% linear extensibility on average. A real but modest amount of movement - standard foundations usually hold up, but drainage and moisture control around the foundation still matter more than on low-risk soil.

Before you rely on this for one address

Sheridan County's reading is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific geotechnical report, running about $1,000-$5,000 (typically near $2,700).

Budgeting for Sheridan County, MT

Sheridan 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 Sheridan County, MT compares

Among the 3,085 rated counties on this site, Sheridan County, MT ranks 1,012 most-constrained nationally, and 31 of 54 within Montana. The county spans 1,677 square miles, home to 3,448 people.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Kauai County, HI and Defiance County, OH 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 Montana

Every county in Montana is on this site, including Lincoln County, MT and Gallatin County, MT. The full underlying dataset is downloadable directly, one row per county.