Marshall County, IN Shrink-Swell Risk
Shrink-swell potential in Marshall County, IN
Low
Soil across 74.6% of Marshall County, IN comes back "Low" in USDA's shrink-swell data, averaging 2.17% 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 Marshall County, IN - 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 Marshall County.
Marshall County: the real numbers
Marshall 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 Marshall County, IN compares
Among the 3,085 rated counties on this site, Marshall County, IN ranks 1,826 most-constrained nationally, and 76 of 90 within Indiana. The county spans 444 square miles, home to 46,464 people.
See how another county compares
Orleans Parish, LA carries this site's most-constrained reading. Lancaster County, NE and Webster County, MS 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 Steuben County, IN and Elkhart County, IN. The full underlying dataset is downloadable directly, one row per county.