Light

ZIP Code 21673

Talbot County, Maryland — Trappe

20PSF (Ground Snow Load)
LightClassification

What This Means

Talbot County, Maryland has a light ground snow load of 20 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 Code21673
CountyTalbot
CityTrappe
StateMaryland (MD)
Ground Snow Load20 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): 20 PSF

Roof Snow Load: 14 PSF

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

Talbot 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

21670 25 PSF Moderate 21671 25 PSF Moderate 21672 20 PSF Light 21675 20 PSF Light 21676 25 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 21673?

ZIP code 21673 is in Talbot County, Maryland, with a ground snow load of 20 PSF, classified as light per ASCE 7-22.

Is my roof strong enough for snow in 21673?

With a light ground snow load of 20 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 21673 in?

ZIP code 21673 is in Talbot County, Maryland (MD).