Banner County, NE Roof Snow Load - 20 psf
Banner County, NE roof snow load, translated
A typical heated home in Banner County is designed to carry 20 pounds per square foot of snow on its roof, per ASCE 7-22. Flat and low-pitch roofs in Banner County are actually governed by ASCE 7's §7.3.4 minimum of 20 psf, not the 14 psf the ground-load formula alone would produce.
On a roof that means 44 in. of fresh snow, 16 in. once it packs down, or 4 in. of solid ice - three very different piles for the same load. Modern-code homes carry a load like this without issue; an older addition, a carport, or any flat-roofed section is where it is worth checking first.
Banner County at a glance
- Design roof snow load20 psf
- Ground snow load, ASCE 7 map20 psf
- National rank#1,298 of 2,758
- Nebraska rank#85 of 93
- Population665
- Annual snowfall, NOAA normal46.6 in.
- FIPS31007
Where Banner County ranks
#85 of 93 Nebraska counties by design load, top 47% of 2,758 nationally - that's Banner County's spot. 20.2 psf is Nebraska's typical county figure - Banner County comes in 0.2 psf under it.
FIPS 31007, population 665, centered near 41.5397°N 103.7263°W. ASCE 7's underlying ground snow load here is 20 psf before the code's exposure and importance factors bring it to the 20 psf design figure above.
Banner County: average annual snowfall
Banner County sees about 46.6 in. of snow most winters, per the HARRISBURG 12WNW, NE US station's 1991-2020 NOAA normal. See the density guide.
Read this before you use Banner 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. See the methodology guide.