Moderate

ZIP Code 61372

LaSalle County, Illinois — Troy Grove

25PSF (Ground Snow Load)
ModerateClassification

What This Means

LaSalle County, Illinois 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 Code61372
CountyLaSalle
CityTroy Grove
StateIllinois (IL)
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.

LaSalle 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

61369 20 PSF Light 61370 20 PSF Light 61371 25 PSF Moderate 61373 20 PSF Light 61374 25 PSF Moderate 61375 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 61372?

ZIP code 61372 is in LaSalle County, Illinois, with a ground snow load of 25 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 61372?

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 61372 in?

ZIP code 61372 is in LaSalle County, Illinois (IL).