South Fourth Street "has a serious problem," outgoing Kentucky Gov. Steve Beshear said in a Monday announcement at Theatre Square Marketplace. "Sidewalks," he said. "Its sidewalks in many areas are among the most heavily traveled in the city but are also badly in need of repair." And officials said Monday a $1.5 million grant should help change that, funding a project to promote pedestrian and bicyclist safety and repair or rebuild sidewalks on South Fourth Street between West Chestnut Street and…