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Pont Lliw

A Grade II Listed Building in Llanuwchllyn, Gwynedd

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Latitude: 52.8618 / 52°51'42"N

Longitude: -3.6771 / 3°40'37"W

OS Eastings: 287184

OS Northings: 330680

OS Grid: SH871306

Mapcode National: GBR 69.RM8P

Mapcode Global: WH67B.HB6G

Plus Code: 9C4RV86F+P4

Entry Name: Pont Lliw

Listing Date: 20 October 1966

Last Amended: 31 January 2001

Grade: II

Source: Cadw

Source ID: 4682

Building Class: Transport

Location: Spanning the Afon Dyfrdwy at the north-western approach to the village and carrying the main road.

County: Gwynedd

Community: Llanuwchllyn

Community: Llanuwchllyn

Traditional County: Merionethshire

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Late C18 or early C19 2-span road bridge with floodarch.


Two-span road bridge with associated revetments adjoining to the L and R, that to the R with further, smaller arch acting as a flood arch. The bridge proper is of coursed and dressed slatestone and has 2 elegant depressed arches with slatestone ashlar voussoirs and projecting keys. Triangular cutwaters to both up- and down-river sides, with diminishing courses to the top, and terminating in flat pilaster sections to the parapet. Further flat pilasters to the L and R ends. The parapet rises slightly to the centre following the gentle hump of the carriageway. It has rough-dressed coping stones and a stringcourse.

The flanking revetted sections are of rubble. That to the R contains the flood arch. This is a segmental arch with rough-dressed voussoirs; sandstone parapet copings to the upriver side, with rough-dressed slatestone to the remainder. The L side (beyond the main, bridge section) has similar sloped rubble revetments with slatestone copings. At the upriver L side is a pedestrian opening, with 5 descending steps leading to a footpath.

Reasons for Listing

Listed as a fine late C18 or early C19 2-span road bridge with floodarch and flaking revettments.

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