Rosebud County, MT Shrink-Swell Risk

Shrink-swell potential in Rosebud County, MT

Moderate

Soil across 44.6% of Rosebud County, MT comes back "Moderate" in USDA's shrink-swell data, averaging 3.87% linear extensibility. Conventional foundations are the reasonable expectation here, with routine moisture-control practice rather than special engineering.

What this number does and doesn't tell you

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

Rosebud County: the real numbers

Rosebud 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.

Rosebud County's rank among Montana counties

Among the 3,085 rated counties on this site, Rosebud County, MT ranks 641 most-constrained nationally, and 21 of 54 within Montana. The county spans 5,008 square miles, home to 8,194 people.

For contrast

Orleans Parish, LA carries this site's most-constrained reading. Richland County, WI and Scotland County, MO 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 Chouteau County, MT and Treasure County, MT. The full underlying dataset is downloadable directly, one row per county.