Bienville Parish, LA Shrink-Swell Risk

Bienville Parish, LA's soil, for shrink-swell risk

Low

Bienville Parish, LA: USDA's soil survey rates 67.3% of the county "Low" for shrink-swell potential (2.91% 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 Bienville Parish's reading doesn't cover

Two lots a mile apart in Bienville Parish can carry different soil, even though they share one countywide reading. A local geotechnical report, typically $1,000-$5,000 (around $2,700 typical), is the only way to know what one lot in Bienville Parish will actually do.

What it costs to find out, versus to ignore it

With Bienville Parish, LA rating "Low", a geotechnical report is still worthwhile before a build, just less urgent than in a high-risk county. 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.

Where this sits nationally

Nationally, Bienville Parish, LA is the 1,255-most-constrained of 3,085 rated counties for shrink-swell soil. Within Louisiana alone it ranks 51 of 64. Bienville Parish, LA is 811 square miles with a population of 12,412.

Before you act on this

Orleans Parish, LA carries this site's most-constrained reading. Jones County, GA and Colorado 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

More of Louisiana

Every county in Louisiana is on this site, including Washington Parish, LA and Tangipahoa Parish, LA. The full underlying dataset is downloadable directly, one row per county.