SC 414 Sumter to Darlington 1926 Official

SC 763 replaces SC 414 1930 Official

Adjustments: In 1938, SC 763 was placed on new alignment from Oswego to east of St. Charles. The first couple miles out Oswego became part of SC 302 (now S-43-12) while the rest became secondary (now S-43-106, S-31-109, and abandoned routing from SC 154 across the Black River to S-31-44).

SC 763 north of the railroad in the SC 302 area 1937 Official

SC 763 on new route all south of the railroad 1938 Official

In 1940, SC 763 was extended west as new primary routing to SC 261 Wedgefield.
In 1954, SC 763 from Sumter to Darlington became US 15 ALT (now US 401 and US 401/SC 34 CONN). SC 763 may have ended at the US 15-15 ALT intersection (Main at Calhoun).

SC 763 extended to Wedgefield 1942 Official

US 15 ALT replaces SC 763 from Sumter to Darlington 1955 Official

By 1956, SC 763 east was truncated to end at US 76-521 (Liberty at Washington). Its Washington St route remained US 76-521 (now US 76 Bus) and Calhoun St became part of US 401.
In 1964, SC 120-763 was removed from Old Liberty St across Second Millpond.
In 1975, SC 763 east was extended out to US 378 east of Sumter. This was a replacement for part of US 378.

SC 763 ends in Downtown Sumter 1974 Sumter County

SC 763 extended east to US 378 1975 Sumter County

Improvements: Fully paved since 1939; multilane through Sumter
Comment: SC 763 was the highest number in use when created in 1928 until SC 901 came along.