Franklin County, MS Shrink-Swell Risk

Franklin County's SSURGO shrink-swell reading

Low

In Franklin County, MS, 88.5% of the surveyed soil carries a "Low" shrink-swell rating, 2.61% linear extensibility on average. Among the 3,144 counties on this site, that's the clean result: little shrink-swell movement, standard construction the likely outcome.

Before you rely on this for one address

Franklin County's reading is an average across the whole county, not a promise about any one lot inside it. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Franklin County will actually do.

Budgeting for Franklin County, MS

Franklin 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.

Franklin County's rank among Mississippi counties

Among the 3,085 rated counties on this site, Franklin County, MS ranks 1,471 most-constrained nationally, and 31 of 82 within Mississippi. Franklin County, MS is 564 square miles with a population of 7,516.

See how another county compares

Orleans Parish, LA carries this site's most-constrained reading. Mercer County, PA and Jack County, TX 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 Mississippi

Every county in Mississippi is on this site, including Prentiss County, MS and Calhoun County, MS. The full underlying dataset is downloadable directly, one row per county.