Turner County, SD Roof Snow Load - 28 psf
Turner County, SD roof snow load, translated
A typical heated home in Turner County is designed to carry 28 pounds per square foot of snow on its roof, per ASCE 7-22.
On a roof that means 61.6 in. of fresh snow, 22.4 in. once it packs down, or 5.6 in. of solid ice - three very different piles for the same load. A meaningful design load. Most homes built to modern code handle it, but additions, carports, and flat-roofed sections are worth a second look.
Snow on Turner County's roofs right now?
Turner County, SD: quick facts
- Design roof snow load28 psf
- Ground snow load, ASCE 7 map40 psf
- National rank#269 of 2,758
- South Dakota rank#28 of 65
- Population9,087
- Annual snowfall, NOAA normal40.9 in.
- FIPS46125
Where Turner County ranks
#28 of 65 South Dakota counties by design load, top 10% of 2,758 nationally - that's Turner County's spot. 28.2 psf is South Dakota's typical county figure - Turner County comes in 0.2 psf under it.
FIPS 46125, population 9,087, centered near 43.3087°N 97.1502°W. ASCE 7's underlying ground snow load here is 40 psf before the code's exposure and importance factors bring it to the 28 psf design figure above.
Turner County: average annual snowfall
Turner County sees about 40.9 in. of snow most winters, per the MARION, SD US station's 1991-2020 NOAA normal. See the density guide.
Read this before you use Turner County's figure
The figure above assumes the case ASCE 7-22 treats as typical: a heated, ordinary-occupancy home on a partially exposed site. Change any of those - exposure, heating, roof pitch, occupancy category - and the real design number moves.
A building permit needs the number at your exact address, not the county average - the free ASCE 7 Hazard Tool returns that from your coordinates in about a minute and produces a PDF a plan reviewer will accept. Details: the calculation guide.