Light

ZIP Code 50859

Adams County, Iowa — Prescott

20PSF (Ground Snow Load)
LightClassification

What This Means

Adams County, Iowa has a light ground snow load of 20 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code50859
CountyAdams
CityPrescott
StateIowa (IA)
Ground Snow Load20 PSF — Light
Classification Range1 - 20 PSF
Data QualityMeasured

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Roof Snow Load Calculator

ASCE 7-22 flat roof formula:  pf = 0.7 × Ce × Ct × Is × pg

Your ground snow load (pg): 20 PSF

Roof Snow Load: 14 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Adams County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

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50857 20 PSF Light 50858 20 PSF Light 50860 20 PSF Light 50861 20 PSF Light 50862 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 50859?

ZIP code 50859 is in Adams County, Iowa, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 50859?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 50859 in?

ZIP code 50859 is in Adams County, Iowa (IA).