Latitude: 52.9177 / 52°55'3"N
Longitude: -4.2873 / 4°17'14"W
OS Eastings: 246313
OS Northings: 338039
OS Grid: SH463380
Mapcode National: GBR 5H.N918
Mapcode Global: WH44D.3XQL
Plus Code: 9C4QWP97+33
Entry Name: Bont Fechan
Listing Date: 19 October 1971
Last Amended: 31 March 1999
Grade: II
Source: Cadw
Source ID: 4365
Building Class: Transport
ID on this website: 300004365
Location: Located on a cut off section of the main A497 Cricieth to Pwllheli road, SE of the village of Llanystumdwy, and formerly carrying the road over the Afon Dwyfor.
County: Gwynedd
Town: Criccieth
Community: Llanystumdwy
Community: Llanystumdwy
Traditional County: Caernarfonshire
Tagged with: Architectural structure
Probably built during the late C17 or early C18, and widened in 1780 on the E side, at which time the S arch and N culvert were reconstructed. Repaired in the 1880s, and finally by-passed in July 1961 by the new Llanystumdwy by-pass.
The bridge consists of three major segmental arches of rubble voussoirs, the earlier on the E flush with the spandrels, the later on the W set back under a regulating course. Each major arch spans 4.3m with a rise of 1.8m above the river level, and supported by two water piers, the S one larger and higher than the more northerly, and each chamfered back to the flush stone parapet, coped with large unshaped stones. At the S end there is a lower segmental flood arch, and at the N end, a small culvert, the whole totalling approximately 24.4m in length (80ft). The bridge was widened by 1.74m on the W side creating a carriageway width over of 3.9m with 0.43m parapets each side.
Included as a good substantial and well-detailed late C17/early C18 county bridge of vernacular character.
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