Barrow rail bridge, (or the Barrow viaduct), is a pratt truss type of railway bridge that spans the river Barrow between County Kilkenny and County Wexford in the south east of Ireland. This rural landmark with a length of 2,131 ft (650 m) is the longest bridge on the river. It was second longest bridge in Ireland and the third longest rail bridge on the islands of Ireland & Great Britain. Designed by Sir Benjamin Baker and built by the firm of Sir William Arrol. It is known locally as Barrow Bridge.