Heavy

ZIP Code 57216

Grant County, South Dakota — Big Stone City

50PSF (Ground Snow Load)
HeavyClassification

What This Means

Grant County, South Dakota has a heavy ground snow load of 50 PSF per ASCE 7-22. This is a significant structural load. Roofs must be specifically engineered for this snow load. Consider snow guards, proper insulation to prevent ice dams, and roof designs that shed snow effectively.

Snow Load Details

ZIP Code57216
CountyGrant
CityBig Stone City
StateSouth Dakota (SD)
Ground Snow Load50 PSF — Heavy
Classification Range41 - 60 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): 50 PSF

Roof Snow Load: 35 PSF

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

Grant County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

New Lookup

Check Another ZIP Code

Nearby ZIP Codes

57213 50 PSF Heavy 57214 50 PSF Heavy 57217 50 PSF Heavy 57218 50 PSF Heavy 57219 50 PSF Heavy

Frequently Asked Questions

What is the ground snow load for ZIP code 57216?

ZIP code 57216 is in Grant County, South Dakota, with a ground snow load of 50 PSF, classified as heavy per ASCE 7-22.

Is my roof strong enough for snow in 57216?

With a heavy ground snow load of 50 PSF, your roof must be specifically engineered for this load. Consult a structural engineer if building or renovating.

What county is ZIP code 57216 in?

ZIP code 57216 is in Grant County, South Dakota (SD).