Pontrhydyfen Viaduct

Ten-arch railway viaduct of red brick, curving round slightly towards the NW. Tall round arches on narrow splayed piers, the arches consisting of 6 rows of headers on edge. Short abutments at either end. Blue brick string course and red brick parapets with corbelled refuges rising from the spandrels of the arches. The coping is generally of blue bricks on end, replaced in concrete in some areas. The flat deck is now a path and the refuges have been infilled with blue brick with concrete coping. At each end of the deck are pairs of short piers marking the abutments. These and the areas between have massive rock-faced capstones.