Pittsburg County, OK Roof Snow Load - 10 psf
How much snow is too much for a roof in Pittsburg County, OK?
10 psf: that's what ASCE 7-22 requires a typical heated home's roof in Pittsburg County to carry. Flat and low-pitch roofs in Pittsburg County are actually governed by ASCE 7's §7.3.4 minimum of 10 psf, not the 7 psf the ground-load formula alone would produce.
Picture it, not just weigh it: 22 in. if it's fresh powder, 8 in. once it settles, or a mere 2 in. if it's ice. A modest addition to standard roof loading. Ordinary residential construction handles this without extra bracing.
Pittsburg County in numbers
- Design roof snow load10 psf
- Ground snow load, ASCE 7 map10 psf
- National rank#1,796 of 2,758
- Oklahoma rank#38 of 77
- Population43,395
- Annual snowfall, NOAA normal1.6 in.
- FIPS40121
How Pittsburg County compares
10 psf ranks #1,796 of 2,758 US counties with a mapped snow load (top 65%) - and #38 of 77 in Oklahoma. Oklahoma counties average 11 psf; Pittsburg County runs 1 psf lower than that.
Population 43,395 (FIPS 40121), roughly 34.9255°N 95.7481°W. The 10 psf ground snow load ASCE 7-22 maps here becomes 10 psf once the code's own design factors are applied.
Typical snowfall in Pittsburg County, OK
NOAA's 30-year normal for Pittsburg County: 1.6 in. of snow a year, from the CLAYTON 14 WNW, OK US station. (fresh vs. packed vs. ice explains why.)
What this Pittsburg County figure assumes
This is a county-level reference figure for a typical heated home built to Risk Category II (ordinary residential), on a partially exposed lot - the assumptions ASCE 7-22 itself treats as the default case. A steeper roof, a fully exposed hilltop lot, an unheated structure, or a higher risk category all change the actual number.
Pittsburg County's permit office wants an address-specific figure, not this county average - the ASCE 7 Hazard Tool is free, takes under a minute, and outputs a PDF most reviewers accept. Details: the calculation guide.