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 darter Cumberland darter The Cumberland darter ("Etheostoma susanae") is a rare species of fish in the perch family endemic to Kentucky and Tennessee in the United States, where it occurs in the upper Cumberland River tributaries above Cumberland Falls. It was federally listed as an endangered species in the US on August 9, 2011. This fish measures over 5.5 cm in maximum length. It is pale yellow in color with six brown saddle-like markings on the sides. On the male, these markings fade during the breeding season and the fish becomes darker in color. The Cumberland darter lives in pools and