| Previous SC 430 ALT's: 
 1946 ROUTE LOG
 US 25, SC 430: 0 - 0
 SC 436: 0.2 - 0.2
 SC 23: 2.1 - 2.3
 
 |  | SC 430 ALT: Appeared in 1940 as new primary routing, running from US 25/SC 430 southeast to SC 23 along the edge of Edgefield. In 1941, SC 430 ALT was rerouted onto a lot of new alignment to meet SC 23 further east.  The old route used today's S-19-386 Moore Lambert Way; S-19-483 and S-19-91 Edgewood Rd.
 In 1947, SC 430 ALT became part of SC 430.
 I could've sworn I've seen this posted as SC 430 ALT in the late 1980s but no map I've seen corroborates this.
 
 
|   SC 430 ALT around the northeast side of Edgefield
 1940 Edgefield County
 |   SC 430 ALT becomes SC 430
 1951 Edgefield County
 |  
 |