Railway Viaduct over River Ceiriog

Built of coursed squared rock-faced stone, the upper arch stage of brick faced with stone. It is approximately 260m (849ft) long, comprising 16 arches, ten forming the major span, rising 30m (100ft) above the river, and 3 each end, built at first in wood, and replaced in stone in 1858. The main piers are tapered upwards to the an ashlar fascia and torus moulding on the springing line, above which there are decorative arched niches with architraves, keystones and pediments. The arches between piers have ashlar voussoirs backed to course, with a dropped keystone. Modillion cornice below the ashlar parapet.