Moderate

ZIP Code 61374

Bureau County, Illinois — Van Orin

25PSF (Ground Snow Load)
ModerateClassification

What This Means

Bureau 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 Code61374
CountyBureau
CityVan Orin
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.

Bureau 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

61371 25 PSF Moderate 61372 25 PSF Moderate 61373 20 PSF Light 61375 20 PSF Light 61376 20 PSF Light 61377 20 PSF Light

Frequently Asked Questions

What is the ground snow load for ZIP code 61374?

ZIP code 61374 is in Bureau 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 61374?

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 61374 in?

ZIP code 61374 is in Bureau County, Illinois (IL).