Moderate

ZIP Code 51010

Monona County, Iowa — Castana

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Monona 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 Code51010
CountyMonona
CityCastana
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.

Monona 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

51007 30 PSF Moderate 51008 35 PSF Moderate 51009 35 PSF Moderate 51011 35 PSF Moderate 51012 35 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 51010?

ZIP code 51010 is in Monona 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 51010?

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 51010 in?

ZIP code 51010 is in Monona County, Iowa (IA).