The structure is a single 32-metre span ashlar masonry elliptical arch bridge and was originally named Sarah's Bridge after Sarah Fane, Countess of Westmorland, wife of the then Lord Lieutenant of Ireland, who laid the first stone on 22 June 1791.
This bridge has a distinctive elliptical arch shape spanning 32 metres and was initially named after Sarah Fane, Countess of Westmorland, who marked the beginning of its construction on June 22, 1791.