https://www.southernpine.com/resources/span-tables/headers-beams-machine-graded-lumber/
Headers & Beams Allowable Load TablesMachine-Graded Lumber - SFPA
May 7, 2025 - SFPA's allowable load tables provide guidance for Southern Pine dimension lumber and glued laminated timber are detailed below.
allowable loadheadersbeamsgradedlumber