Light

ZIP Code 97818

Morrow County, Oregon — Boardman

15PSF (Ground Snow Load)
LightClassification

What This Means

Morrow County, Oregon has a light ground snow load of 15 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 Code97818
CountyMorrow
CityBoardman
StateOregon (OR)
Ground Snow Load15 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): 15 PSF

Roof Snow Load: 10.5 PSF

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

Morrow 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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Nearby ZIP Codes

97817 CS Case Study 97819 CS Case Study 97820 10 PSF Light 97821 15 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 97818?

ZIP code 97818 is in Morrow County, Oregon, with a ground snow load of 15 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 97818?

With a light ground snow load of 15 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 97818 in?

ZIP code 97818 is in Morrow County, Oregon (OR).