Light

ZIP Code 29401

Charleston County, South Carolina — Charleston

5PSF (Ground Snow Load)
LightClassification

What This Means

Charleston County, South Carolina has a light ground snow load of 5 PSF per ASCE 7-22. At this level, most standard residential roofs are designed to handle the load without issue. However, flat or low-slope roofs should still be checked for drifting and sliding snow.

Snow Load Details

ZIP Code29401
CountyCharleston
CityCharleston
StateSouth Carolina (SC)
Ground Snow Load5 PSF — Light
Classification Range1 - 20 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): 5 PSF

Roof Snow Load: 3.5 PSF

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

Charleston 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

29402 5 PSF Light 29403 5 PSF Light 29404 5 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 29401?

ZIP code 29401 is in Charleston County, South Carolina, with a ground snow load of 5 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 29401?

With a light ground snow load of 5 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 29401 in?

ZIP code 29401 is in Charleston County, South Carolina (SC).