Barmouth Railway Bridge (partly in Arthog Community)

Single-track railway viaduct (751 yards long) with 113 groups of timber supports (pile bents) and 5-span steel section incorporating a swing bridge (built 1899) towards the N (Barmouth) end. Rubble-faced abutment to N shore; concrete to S end. Low trabeated structure with longitudinal timbers supporting main timber deck and rails; cross-braced timber piles with raking shores supported by concrete foundations. Strapped steel cylinders to 2-lane opening section with twin bow-trussed girders tied over track; twin column supports with bulbous caps (wider to opening piers), metal deckand latticework braces. Lower boarded pedestrian walkway with modernrailing on upstream side (an addition of 1868-79).