Moderate

ZIP Code 52203

Iowa County, Iowa — Amana

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Iowa County, Iowa has a moderate ground snow load of 25 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 Code52203
CountyIowa
CityAmana
StateIowa (IA)
Ground Snow Load25 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): 25 PSF

Roof Snow Load: 17.5 PSF

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

Iowa 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

52201 20 PSF Light 52202 25 PSF Moderate 52204 25 PSF Moderate 52205 25 PSF Moderate 52206 25 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 52203?

ZIP code 52203 is in Iowa County, Iowa, with a ground snow load of 25 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 52203?

With a moderate ground snow load of 25 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 52203 in?

ZIP code 52203 is in Iowa County, Iowa (IA).