Section 31-15-2 - Structures included in bridge.
31-15-2. Structures included in bridge. Whenever in this chapter the word, bridge, is used, it shall mean a structure, including supports, erected over a depression or an obstruction, as water, highway, or railway, said structure having a length measured along the center of the roadway of more than twenty feet between undercopings of abutments or extreme ends of openings for multiple boxes and pipes where the clear distance between openings is less than half of the smaller contiguous opening.
Source: SDC 1939, § 28.1441 as enacted by SL 1953, ch 153.