ยง  156. Penalty, and notice on bridge. The town superintendent may fix
  and prescribe a penalty, not less than one or more  than  five  dollars,
  for riding or driving faster than a walk on any bridge in his town whose
  chord  is  not  less  than  twenty-five  feet  in length, and put up and
  maintain in a conspicuous place, at each end of the bridge, a notice  in
  large  characters,  stating each penalty incurred. Whoever shall ride or
  drive faster than a walk over any bridge, upon which notice  shall  have
  been  placed,  and  shall  then be, shall forfeit for every offense, the
  amount fixed by such town superintendent, and specified in the notice.
Structure New York Laws
Article 7 - Town Superintendents
140 - General Powers and Duties of Town Superintendent.
141 - Estimate of Expenditures for Highways and Bridges.
142 - Machinery, Tools, Equipment and Implements.
142-C - Removal of Snow and Ice From Streets and Repair of Sidewalks in Villages.
142-D - Rental or Hiring of Town Highway Machinery, Tools or Equipment.
143 - Town Superintendents May Hire Machinery.
145 - Purchase of Gravel Pits.
147 - Entry Upon Lands by Town Superintendent.
148 - Damages to Owners of Lands.
149 - Drainage, Sewer and Water Pipes, Cattle Passes or Other Crossings in Highways.
151 - Expenditures for Sidewalks.
154 - Erection of Guide Boards.
155 - Application for Service of Prisoners.
156 - Penalty, and Notice on Bridge.
157 - Assessment of Cost Against Owners and Occupants.