Moderate

ZIP Code 50173

Tama County, Iowa — Montour

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Tama 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 Code50173
CountyTama
CityMontour
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.

Tama 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

50170 25 PSF Moderate 50171 25 PSF Moderate 50172 25 PSF Moderate 50174 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 50173?

ZIP code 50173 is in Tama 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 50173?

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 50173 in?

ZIP code 50173 is in Tama County, Iowa (IA).