Light

ZIP Code 70420

St. Tammany County, Louisiana — Abita Springs

5PSF (Ground Snow Load)
LightClassification

What This Means

St. Tammany County, Louisiana 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 Code70420
CountySt. Tammany
CityAbita Springs
StateLouisiana (LA)
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.

St. Tammany 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

70421 0 PSF Moderate 70422 0 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 70420?

ZIP code 70420 is in St. Tammany County, Louisiana, with a ground snow load of 5 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 70420?

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 70420 in?

ZIP code 70420 is in St. Tammany County, Louisiana (LA).