ZIP Code 49808
Marquette County, Michigan — Big Bay
What This Means
Marquette County, Michigan has an extreme ground snow load of 70 PSF per ASCE 7-22. This requires robust structural engineering with heavy-duty framing. Snow removal plans, snow guards, and reinforced roof systems are essential. Consult a licensed structural engineer for any construction.
Snow Load Details
| ZIP Code | 49808 |
| County | Marquette |
| City | Big Bay |
| State | Michigan (MI) |
| Ground Snow Load | 70 PSF — Extreme |
| Classification Range | 61+ 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): 70 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Marquette 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 49808?
ZIP code 49808 is in Marquette County, Michigan, with a ground snow load of 70 PSF, classified as extreme per ASCE 7-22.
Is my roof strong enough for snow in 49808?
With a extreme ground snow load of 70 PSF, your roof must be specifically engineered for this load. Consult a structural engineer if building or renovating.
What county is ZIP code 49808 in?
ZIP code 49808 is in Marquette County, Michigan (MI).