Case Study

ZIP Code 99689

Yakutat City and County, Alaska — Yakutat

Case StudyClassification
RequiredEngineer Consultation

What This Means

Yakutat City and 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 Code99689
CountyYakutat City and
CityYakutat
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

Yakutat City and 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 99689?

ZIP code 99689 is in Yakutat City and 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 99689?

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 99689 in?

ZIP code 99689 is in Yakutat City and County, Alaska (AK).