ZIP Code 80721
Phillips County, Colorado — Amherst
What This Means
Phillips County, Colorado has a moderate ground snow load of 25 PSF per ASCE 7-22. This load requires proper structural consideration during design. Roof framing, trusses, and connections should be engineered for this snow load. Ensure adequate drainage to prevent ponding.
Snow Load Details
| ZIP Code | 80721 |
| County | Phillips |
| City | Amherst |
| State | Colorado (CO) |
| Ground Snow Load | 25 PSF — Moderate |
| Classification Range | 21 - 40 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): 25 PSF
ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.
Phillips 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 80721?
ZIP code 80721 is in Phillips County, Colorado, with a ground snow load of 25 PSF, classified as moderate per ASCE 7-22.
Is my roof strong enough for snow in 80721?
With a moderate ground snow load of 25 PSF, standard residential construction typically handles this load, but verify with your local building code.
What county is ZIP code 80721 in?
ZIP code 80721 is in Phillips County, Colorado (CO).