New York Laws
Article 41 - Regulation of Traffic by Towns
1663 - Special Speed Limits on Bridges and Other Elevated Structures.

§ 1663. Special speed limits on bridges and other elevated structures.
The town board of any town may determine the maximum speed which may be
maintained without structural damage to bridges and elevated structures
that are a part of any town highway in such town and, if, such maximum
speed is lower than the maximum speed limit otherwise applicable, may by
order, rule or regulation establish such lower maximum speed limit at
which vehicles may proceed on any such bridge or structure.

Structure New York Laws