|Milford, UT : Souther Terminus
||Utah State Route #257 has its southern terminus at a junction with State Route #21 in Milford, Utah, a city in Beaver County, Utah, This is where State Route #257 starts its northerly run and ends at a junction with United States Highway #50 and concurrent US Route #6 in Hinckley, Utah a town in Millard County, Utah. Milford's Visitor Center is set in an Union Pacific Caboose, Milford Valley Hospital lies along State Route #257.
|Access : Airport
||Access to, Milford Municipal Airport also known as Ben and Judy Briscoe Field Airport, a public airport located north of the town of Milford, Utah along State Route #257.
|Road to Minersville, UT
||Road to, Community of Minersville, Utah,
|Black Rock Road : Black Rock, UT
||Black Rock Road, Black Rock, Utah a small, village located in southern Millard County, Utah, Black Rock had a post office from 1891 to 1959, now a ghost town.
|Road to Power Line UP Road
||Connecting Road to Power Line UP Road, in the Sevier Desert of Utah
|Clearlake Rd : Clear Lake
||Clearlake Road, to Clear Lake, a large lake located in the midst of the Sevier Desert, east off State Route #257. Spring Lake, a smaller lake located nearby. Clear Lake Waterfowl Management Area,
|Access Road : Black Rock Mesa
||Access Road to, Black Rock Mesa, Telescope Array,
|Access : Ft Deseret
||Access to, Fort Deseret, built in 1865 during the Utah Black Hawk War to protect settlers in western Utah from the attacks of local Utes.
|Junction : US Route #50
||Junction of Utah State Route #257 with United States Route #50, and 6, just east of Hinckley, Utah, a town in Millard County, Utah, This is where State Highway #257 ends. Gunnison Bend Reservoir lies at Delta, Utah, a city in Millard County, Utah, Delta Community Medical Center, on the northeast.