Heavy

ZIP Code 05443

Addison County, Vermont — Bristol

50PSF (Ground Snow Load)
HeavyClassification

What This Means

Addison County, Vermont 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 Code05443
CountyAddison
CityBristol
StateVermont (VT)
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.

Addison 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

05440 40 PSF Moderate 05441 CS Case Study 05442 CS Case Study 05444 CS Case Study 05445 40 PSF Moderate 05446 40 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 05443?

ZIP code 05443 is in Addison County, Vermont, with a ground snow load of 50 PSF, classified as heavy per ASCE 7-22.

Is my roof strong enough for snow in 05443?

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 05443 in?

ZIP code 05443 is in Addison County, Vermont (VT).