S.C. Code Ann. § 56-5-3500: Violations of article; penalties.

(A) Except as otherwise provided, in the absence of another violation being cited, a violation of this article by the driver of a motor vehicle is subject to a civil fine of up to one hundred dollars unless a bicyclist is injured as a result of the violation.

(B) In the absence of another violation being cited, a person driving a motor vehicle who violates a provision of this article and the violation is the proximate cause of a:

(1) minor injury to a bicyclist, must be assessed a civil fine of up to five hundred dollars; or

(2) great bodily injury, as defined in Section 56-5-2945, to a bicyclist, must be assessed a civil fine of not more than one thousand dollars.