Tennessee State Route 251 199) before entering Bellevue, where it comes to an end at an intersection with US 70S/SR 1 and Old Hickory Boulevard continues southward. 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
Cumberland River merges with the Ohio River at Smithland, northeast of Paducah. The explorer Thomas Walker of Virginia in 1758 named the river, but whether for the Duke of Cumberland or the English county of Cumberland is not known. The Cumberland River was called "Wasioto" by the Shawnee Native Americans, who lived in this area. French traders called it the "Riviere des Chaouanons", or "River of the Shawnee" for this association. The river was also known as the "Shawnee River" (or "Shawanoe River") for years after Walker's trip. Important first as a passage for hunters and settlers, the Cumberland River also supported