 The University of Oklahoma Westheimer Airport is owned by the University of Oklahoma and located northwest of Norman.The US 77 Purcell/Lexington James C. Nance Bridge was originally built as a circa 1938 deck truss 2-lane bridge and in 2019 rebuilt as a concrete pier 4-lane bridge  crossing the Canadian River between Purcell and Lexington, Oklahoma.The bridge carries U.S. Route 77 (US-77) and Oklahoma State Highway 39 (SH-39) from McClain County to Cleveland County.