Each culvert constructed on the county highway system shall have a width of not less than twenty-four feet. Source: SL 1919, ch 333 , § 20; SDC 1939, § 28.0306; SL 2018, ch 168 , § 19. 31-12-19. Repealed by SL 2002, ch 142 , § 1 31-12-20. Repealed by SL 1978, ch 50 , § 6 31-12-21 to 31-12-23. Repealed by SL 2018, ch 168 , §§ 20 to 22.