The legislative body of any city or village may determine the maximum speed which may be maintained without structural damage on bridges and elevated structures in such city or village, and if such maximum speed is lower than the maximum speed limit otherwise applicable, subject to the limitations imposed by section sixteen hundred eighty-four, may by local law, ordinance, order, rule or regulation establish such lower maximum speed limits at which vehicles may proceed on such bridge or structure.
N.Y. Veh. and Traf. Law § 1644