South Carolina Highway 49

South Carolina Highway 49 (SC 49) is a 79.516 mi primary state highway in the U.S. state of South Carolina. It is signed as a north–south highway, though it travels in a southwesterly–northeasterly direction, from Watts Mills to the North Carolina state line in Lake Wylie.

Route description
SC 49 is part of a three-state highway 49 (including North Carolina Highway 49 and Virginia State Route 49) that totals 325 mi from Watts Mills, South Carolina to Crewe, Virginia.

The portion in South Carolina runs 79+1/2 mi from Watts Mills to Lake Wylie.

History
Established in 1937 as a renumbering of SC 163, it traveled from U.S. Route 321 (US 321) in York to the North Carolina state line in Lake Wylie. In 1956, SC 49 was extended southwest to its current southern terminus at US 221 in Watts Mills replacing SC 91 from York to Monarch, SC 92 from Monarch to Cross Anchor, and SC 30 from Cross Anchor to Watts Mills.

In 1960 or 1961, SC 49 was rerouted from Lockhart to Mount Tabor. At an unknown date, SC 49 was rerouted north around downtown Union.

One previous SC 49 existed from around 1927–1935, from Myrtle Beach to the North Carolina state line in Little River. In 1932, most of SC 49 north of Myrtle Beach was replaced by US 117; by 1935, the rest of SC 49 (and US 117) was replaced by US 17.

Union truck route
South Carolina Highway 49 Truck (SC 49 Truck) is a 1.790 mi truck route that bypasses a portion of West Main Street (SC 49) in western portions of Union. The first 0.760 mi of the highway travels along the two-lane Industrial Park Road, concurrent with the unsigned designation of SC 496. It then turns to the north-northwest along US 176/SC 18 Truck/SC 215 (Duncan Bypass) for its last 1.030 mi.

Monarch Mill connector route
South Carolina Highway 49 Connector (SC 49 Conn.) is a 3.090 mi connector route along Monarch Highway between SC 215 southeast of Union to SC 49 in the census-designated place of Monarch Mill.