SnowLoadCheck

Wayne County, UT Roof Snow Load - 15 psf

Wayne County, UT: your roof's ASCE 7 snow number, in plain English

Moderate
15 psf

Wayne County's roofs are built to hold 15 psf of snow, the ASCE 7-22 figure a permit reviewer checks first. 10.5 psf is what the ground-load formula alone gives; Wayne County's 15 psf low-slope minimum (§7.3.4) beats it, so that figure is the one that governs on flat and low-pitch roofs.

In depth, not weight: that's roughly 33 inches of fresh, light snow, 12 inches of old, settled snow, or as little as 3 inches of solid ice - snow that heavy is rare here but ice from a freeze-thaw cycle adds up far faster than the depth suggests. This is a meaningful design load - most modern-code homes handle it fine, though an addition, a carport or a flat-roofed section can be a weak spot.

Wayne County at a glance

Wayne County by the numbers

Nationally that's #1,635 out of 2,758 rated counties, the top 59%; within Utah alone, Wayne County ranks #9 of 10. That's 1.6 psf below Utah's own county-average design load of 16.6 psf.

Wayne County, FIPS 49055, is home to 2,608 people near 38.2599°N 110.9909°W. Its 15 psf ground snow load figure is the map value; 15 psf is what a roof is actually designed for.

Wayne County's snowfall, most winters

10.9 in. a year: that's Wayne County's NOAA 1991-2020 snowfall normal, measured at CAPITOL REEF NP, UT US (14.9 mi away). See the density guide.

Before you rely on Wayne County's number

Treat the Wayne County figure as a starting point, not a final answer: it assumes standard occupancy, a heated structure and a moderately sheltered site, per ASCE 7-22's own defaults. Exposed terrain, an unheated building or a steeper roof all shift the real number.

For a real application, skip the county number and go straight to the ASCE 7 Hazard Tool - enter your coordinates and it returns a site-specific figure a plan reviewer will recognize. (How this figure is calculated.)