Moderate

ZIP Code 57311

Hanson County, South Dakota — Farmer

40PSF (Ground Snow Load)
ModerateClassification

What This Means

Hanson County, South Dakota 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 Code57311
CountyHanson
CityFarmer
StateSouth Dakota (SD)
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.

Hanson 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

57312 40 PSF Moderate 57313 40 PSF Moderate 57314 40 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 57311?

ZIP code 57311 is in Hanson County, South Dakota, with a ground snow load of 40 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 57311?

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 57311 in?

ZIP code 57311 is in Hanson County, South Dakota (SD).