Case Study

ZIP Code 99553

Aleutians East County, Alaska — Akutan

Case StudyClassification
RequiredEngineer Consultation

What This Means

Aleutians East County, Alaska is designated as a Case Study area in ASCE 7-22. Ground snow loads in this region vary significantly due to elevation, terrain, or microclimate effects and cannot be determined from the standard maps. A site-specific case study by a licensed engineer using local weather data is required to determine the design snow load.

Snow Load Details

ZIP Code99553
CountyAleutians East
CityAkutan
StateAlaska (AK)
Ground Snow LoadN/A — Case Study
Classification RangeCase Study
Data QualityCase study
Case StudyYes — site-specific study required

Source: ASCE 7-22 ground snow load polygons via ArcGIS

Aleutians East 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 99553?

ZIP code 99553 is in Aleutians East County, Alaska, with a ground snow load of Case Study (varies), classified as case study per ASCE 7-22.

Is my roof strong enough for snow in 99553?

This area is a Case Study zone where snow loads vary significantly. A licensed structural engineer must determine the specific snow load for your site before any building or renovation.

What county is ZIP code 99553 in?

ZIP code 99553 is in Aleutians East County, Alaska (AK).