Extreme

ZIP Code 49817

Delta County, Michigan — Cooks

70PSF (Ground Snow Load)
ExtremeClassification

What This Means

Delta County, Michigan has an extreme ground snow load of 70 PSF per ASCE 7-22. This requires robust structural engineering with heavy-duty framing. Snow removal plans, snow guards, and reinforced roof systems are essential. Consult a licensed structural engineer for any construction.

Snow Load Details

ZIP Code49817
CountyDelta
CityCooks
StateMichigan (MI)
Ground Snow Load70 PSF — Extreme
Classification Range61+ 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): 70 PSF

Roof Snow Load: 49 PSF

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

Delta 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

49814 70 PSF Extreme 49815 60 PSF Heavy 49816 70 PSF Extreme 49818 60 PSF Heavy 49819 60 PSF Heavy 49820 70 PSF Extreme

Frequently Asked Questions

What is the ground snow load for ZIP code 49817?

ZIP code 49817 is in Delta County, Michigan, with a ground snow load of 70 PSF, classified as extreme per ASCE 7-22.

Is my roof strong enough for snow in 49817?

With a extreme ground snow load of 70 PSF, your roof must be specifically engineered for this load. Consult a structural engineer if building or renovating.

What county is ZIP code 49817 in?

ZIP code 49817 is in Delta County, Michigan (MI).