Moderate

ZIP Code 68358

Lancaster County, Nebraska — Firth

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Lancaster County, Nebraska 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 Code68358
CountyLancaster
CityFirth
StateNebraska (NE)
Ground Snow Load25 PSF — Moderate
Classification Range21 - 40 PSF
Data QualityMeasured

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

Roof Snow Load: 17.5 PSF

ⓘ Simplified estimate for flat roofs. Sloped roofs, drift zones, and unbalanced loads need additional calculations. Consult a structural engineer for final design.

Lancaster 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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Nearby ZIP Codes

68355 20 PSF Light 68357 25 PSF Moderate 68359 25 PSF Moderate 68360 25 PSF Moderate 68361 25 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 68358?

ZIP code 68358 is in Lancaster County, Nebraska, with a ground snow load of 25 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 68358?

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 68358 in?

ZIP code 68358 is in Lancaster County, Nebraska (NE).