Heavy

ZIP Code 99510

Anchorage County, Alaska

50PSF (Ground Snow Load)
HeavyClassification

What This Means

Anchorage County, Alaska 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 Code99510
CountyAnchorage
City
StateAlaska (AK)
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.

Anchorage County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

Frequently Asked Questions

What is the ground snow load for ZIP code 99510?

ZIP code 99510 is in Anchorage County, Alaska, with a ground snow load of 50 PSF, classified as heavy per ASCE 7-22.

Is my roof strong enough for snow in 99510?

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 99510 in?

ZIP code 99510 is in Anchorage County, Alaska (AK).