90   Approaches and fences

If the public work crosses any highway (other than a public carriage-way) on the level, the Constructing Authority shall make and at all times maintain convenient ascents and descents and other convenient approaches with hand-rails or other fences; and shall, if such highway is a bridle-way, erect and at all times maintain good and sufficient gates, and if the same is a footway, good and sufficient gates or stiles on each side of the said work where the highway communicates therewith.