Moderate

ZIP Code 06420

New London County, Connecticut — Salem

30PSF (Ground Snow Load)
ModerateClassification

What This Means

New London County, Connecticut has a moderate ground snow load of 30 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 Code06420
CountyNew London
CitySalem
StateConnecticut (CT)
Ground Snow Load30 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): 30 PSF

Roof Snow Load: 21 PSF

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

New London 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

06417 30 PSF Moderate 06418 30 PSF Moderate 06419 30 PSF Moderate 06422 30 PSF Moderate 06423 30 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 06420?

ZIP code 06420 is in New London County, Connecticut, with a ground snow load of 30 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 06420?

With a moderate ground snow load of 30 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 06420 in?

ZIP code 06420 is in New London County, Connecticut (CT).