The GN was consolidated into the Burlington Northern Railroad (BN) in 1970, which merged to become the Burlington Northern and Santa Fe Railway (BNSF) in 1996. In 2004, OmniTRAX subsidiary, Kettle Falls International Railway (KFR), leased the former S&FN from Kettle Falls northeast to beyond Waneta, and purchased the northwestward extension to San Poil. In 2019, the St. Paul & Pacific Northwest Railroad Company acquired the original S&FN section.
