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Latitude: 52.6143 / 52°36'51"N
Longitude: -4.0707 / 4°4'14"W
OS Eastings: 259898
OS Northings: 303847
OS Grid: SH598038
Mapcode National: GBR 8S.88D1
Mapcode Global: WH575.FKS5
Plus Code: 9C4QJW7H+PP
Entry Name: Pont Dysynni (partly in Bryn Crug community)
Listing Date: 17 June 1966
Last Amended: 26 July 2000
Grade: II
Source: Cadw
Source ID: 4736
Building Class: Transport
ID on this website: 300004736
Location: The bridge lies alongside the main road from Tywyn to Dolgellau, crossing the Afon Dysynni.
County: Gwynedd
Community: Llanegryn
Community: Llanegryn
Traditional County: Merionethshire
Tagged with: Bridge
Built in the C18, probably following the Turnpike Act of 1784, as a major river crossing, carrying the main turnpiked road over the tidal river and adjoining marshland, on the main coastal road to Tywyn to the S.
The bridge is built of local stone rubble. Four semi-circular arches of 6.3m span, of squared voussoirs set back under a square profile regulating course, the arches rising 1.8m above the water. Flush spandrels and parapet, the latter being caped with stone flags. The water piers are set on starlings, with a c120-degree cutwater each side, from which pilasters buttresses, with one offset, rise to the coping. The roadway, which is 3.75m wide between the 0.43m parapets, is humped over the river spans, and the bridge has a slight 'S'-curve on plan. An iron plate by Isaac of Portmadoc is reset in the E parapet, banning locomotives from crossing due to the insufficient strength of the bridge.
Included as a fine and attractively sited C18 road bridge on a inlet, which has retained its original character almost intact.
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
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