Moderate

ZIP Code 52040

Delaware County, Iowa — Dyersville

30PSF (Ground Snow Load)
ModerateClassification

What This Means

Delaware County, Iowa has a moderate ground snow load of 30 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 Code52040
CountyDelaware
CityDyersville
StateIowa (IA)
Ground Snow Load30 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): 30 PSF

Roof Snow Load: 21 PSF

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

Delaware County Snow Load Map

Counties colored by snow load classification. Gray = No Load, Blue = Light, Amber = Moderate, Orange = Heavy, Red = Extreme, Purple = Case Study.

New Lookup

Check Another ZIP Code

Nearby ZIP Codes

52037 25 PSF Moderate 52038 30 PSF Moderate 52039 30 PSF Moderate 52041 30 PSF Moderate 52042 30 PSF Moderate 52043 30 PSF Moderate

Frequently Asked Questions

What is the ground snow load for ZIP code 52040?

ZIP code 52040 is in Delaware County, Iowa, with a ground snow load of 30 PSF, classified as moderate per ASCE 7-22.

Is my roof strong enough for snow in 52040?

With a moderate ground snow load of 30 PSF, standard residential construction typically handles this load, but verify with your local building code.

What county is ZIP code 52040 in?

ZIP code 52040 is in Delaware County, Iowa (IA).