Moderate

ZIP Code 48730

Iosco County, Michigan — East Tawas

40PSF (Ground Snow Load)
ModerateClassification

What This Means

Iosco County, Michigan has a moderate ground snow load of 40 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.

Snow Load Details

ZIP Code48730
CountyIosco
CityEast Tawas
StateMichigan (MI)
Ground Snow Load40 PSF — Moderate
Classification Range21 - 40 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): 40 PSF

Roof Snow Load: 28 PSF

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

Iosco 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

48727 30 PSF Moderate 48728 50 PSF Heavy 48729 30 PSF Moderate 48731 35 PSF Moderate 48732 35 PSF Moderate 48733 35 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 48730?

ZIP code 48730 is in Iosco County, Michigan, with a ground snow load of 40 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 48730?

With a moderate ground snow load of 40 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 48730 in?

ZIP code 48730 is in Iosco County, Michigan (MI).