If any person shall wilfully ride, walk or lead, or cause another person to ride, drive or lead, any horse or other beast of burden, faster than a walk, when crossing any wooden bridge having an arch of the length or span of forty-five feet or upwards, such persons shall, for every such offense, forfeit and pay a sum not less than five dollars, nor more than thirty dollars: Provided nevertheless, That notice of the provisions of this section be set up in the manner hereinbefore required.