(Amended by Ordinance No. 177028, effective December 14, 2002.) A "sidewalk" means the portion of the street intended for the use of pedestrians. Unless the street area has been designated as a pedestrian mall, or unless the entire street has been designated primarily for pedestrian use, for the purpose of this Chapter, "sidewalk" is that part of a street on the side there of intended for the use of pedestrians, improved by surfacing.