Moderate

ZIP Code 57365

Lyman County, South Dakota — Oacoma

40PSF (Ground Snow Load)
ModerateClassification

What This Means

Lyman 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 Code57365
CountyLyman
CityOacoma
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.

Lyman 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

57362 40 PSF Moderate 57363 40 PSF Moderate 57364 40 PSF Moderate 57366 40 PSF Moderate 57367 40 PSF Moderate 57368 40 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 57365?

ZIP code 57365 is in Lyman 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 57365?

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 57365 in?

ZIP code 57365 is in Lyman County, South Dakota (SD).