Carrying the old road from Pwllheli westwards, called Lleyn Street, over a tributary stream of the Afon Rhyd-hir. The single semicircular arch springs from a bed of large slabs and is faced with cut gritstone, the voussoirs being 18 ins. long and about 8 ins. wide. Above it the breast walls of random rubble are offset 2 or 3 ins. The parapets are coped with rough slabs. Span of arch 11 ft., width at parapets 21 ft. Built probably in 1775.1
1 Bond no. 162, dated 7 March, 1775, for ‘Pont Sarn y Penman’ but without specification, Caerns. County Archives. ‘Pont Sarn’ on O.S. 2-in. M.S. Survey of 1816, ‘Pont Penmaen’ on O.S. 6-in. map of 1901
Condition: good
SH36103526
31 viii 59
40 NE