ZIP Code 99558
Yukon-Koyukuk County, Alaska — Anvik
What This Means
Yukon-Koyukuk 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 Code | 99558 |
| County | Yukon-Koyukuk |
| City | Anvik |
| State | Alaska (AK) |
| Ground Snow Load | N/A — Case Study |
| Classification Range | Case Study |
| Data Quality | Case study |
| Case Study | Yes — site-specific study required |
Source: ASCE 7-22 ground snow load polygons via ArcGIS
Yukon-Koyukuk 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 99558?
ZIP code 99558 is in Yukon-Koyukuk 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 99558?
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 99558 in?
ZIP code 99558 is in Yukon-Koyukuk County, Alaska (AK).