Tennessee State Route 251 Tennessee State Route 251 State Route 251 (SR 251) is a west–east secondary state highway in Middle Tennessee. SR 251 begins in rural Cheatham County at an intersection with SR 249 (Sams Creek Road/River Road) south of Ashland City. It winds its way southeast along the banks of the Cumberland River as River Road to cross into Davidson County. It continues southeast as River Road Pike as it enters Nashville and has an intersection with US 70/SR 24 (Charlotte Pike), where SR 251 becomes part of Old Hickory Boulevard. It then continues south to have an interchange with I-40 (Exit
Cumberland Mountain State Park on what is now the Cumberland Homestead community. The families of Homestead built the park with help from the Civilian Conservation Corps and the Works Progress Administration. The park was deeded to the state of Tennessee in 1938. Alvin C. York served as the park's superintendent until 1940, when he resigned to advise on the filming of "Sergeant York". Cumberland Mountain State Park is situated atop the Cumberland Plateau approximately halfway between the plateau's Walden Ridge escarpment to the east and the plateau's western escarpment to the west. The southern fringe of the Crab Orchard Mountains rise just over to