ZIP Code 23603
Newport News County, Virginia — Newport News
What This Means
Newport News County, Virginia has a light ground snow load of 15 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 Code | 23603 |
| County | Newport News |
| City | Newport News |
| State | Virginia (VA) |
| Ground Snow Load | 15 PSF — Light |
| Classification Range | 1 - 20 PSF |
| Data Quality | Measured |
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): 15 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Newport News 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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Frequently Asked Questions
What is the ground snow load for ZIP code 23603?
ZIP code 23603 is in Newport News County, Virginia, with a ground snow load of 15 PSF, classified as light per ASCE 7-22.
Is my roof strong enough for snow in 23603?
With a light ground snow load of 15 PSF, standard residential construction typically handles this load, but verify with your local building code.
What county is ZIP code 23603 in?
ZIP code 23603 is in Newport News County, Virginia (VA).