British Listed Buildings

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Roman Bridge, Bro Machno

Description: Roman Bridge

Grade: II
Date Listed: 13 October 1966
Cadw Building ID: 3573

OS Grid Coordinates: 280676, 352918
Latitude/Longitude: 53.0599, -3.7807

Location: Bro Machno, Conwy, Conwy LL24 0PP

Locality: Bro Machno
County: Conwy
Country: Wales
Postcode: LL24 0PP

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Listing Text

Spanning Afon Machno to NE of Pont-y-Pandy road bridge and Penmachno woollen mill.

Probably C17. Possibly identifiable with 'Pontrhydgynon', referred to in 1662 General Sessions report as an 'ancient bridge', but said by Gethin Jones to have formerly born datestone '1680'.


Picturesque single-arched rubble masonry bridge, span c8 metres width c3 metres. Vertical abutments of flat slabs with splayed sides. Upper masonry removed down to arch ring. Some cobbles remain on decking.

Reason for Listing
Scheduled Monument Cadw Ref No 4/1830/Cn 189.

Royal Commission on Ancient & Historical Monuments in Wales, Survey and Inventory, Caernarvonshire, Vol I: East, 1956, p176;
Owen Gethin Jones, History of Penmachno Parish (undated typescript translation).

This text is a legacy record and has not been updated since the building was originally listed. Details of the building may have changed in the intervening time. You should not rely on this listing as an accurate description of the building.

Spanning Afon Machno to NE of Pont-y-Pandy road bridge and Penmachno woollen mill.

Source: Cadw

Listed building text is © Crown Copyright. Reproduced under licence.