An 18-year-old Rahway man critically injured after being struck by a hit-and-run driver as he left work more than two months ago died last week, authorities said. Rayan Bien-Aima was hit as he tried to cross the northbound lanes of Routes 1 & 9 in Linden at about 11:15 p.m. on April 25, city police said. He died Saturday, a Linden police spokesman said. Bien-Aima worked at Freddy’s Frozen Custard & Steakburgers, according to ABC7 in New York. Police continue to search for the vehicle — described as a dark-colored coupe or sedan. The Union County Crime Stoppers is still offering a $10,00 reward…