Moderate

ZIP Code 02139

Middlesex County, Massachusetts — Cambridge

40PSF (Ground Snow Load)
ModerateClassification

What This Means

Middlesex County, Massachusetts has a moderate ground snow load of 40 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 Code02139
CountyMiddlesex
CityCambridge
StateMassachusetts (MA)
Ground Snow Load40 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): 40 PSF

Roof Snow Load: 28 PSF

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

Middlesex 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

02136 40 PSF Moderate 02137 40 PSF Moderate 02138 40 PSF Moderate 02140 40 PSF Moderate 02141 40 PSF Moderate 02142 40 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 02139?

ZIP code 02139 is in Middlesex County, Massachusetts, with a ground snow load of 40 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 02139?

With a moderate ground snow load of 40 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 02139 in?

ZIP code 02139 is in Middlesex County, Massachusetts (MA).