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Latitude: 52.5661 / 52°33'57"N
Longitude: -3.3545 / 3°21'16"W
OS Eastings: 308284
OS Northings: 297331
OS Grid: SO082973
Mapcode National: GBR 9Q.CJR8
Mapcode Global: WH79Z.FRVN
Plus Code: 9C4RHJ8W+C5
Entry Name: Bridge in Parkland
Listing Date: 31 January 1997
Last Amended: 31 January 1997
Source ID: 18152
Building Class: Gardens, Parks and Urban Spaces
Location: Located approximately 200m SW of Gregynog Hall within a wooded area of parkland and carries a footpath over a drive leading to the W entrance to the grounds of Gregynog Hall.
Traditional County: Montgomeryshire
Constructed 1870-1880 by Henry Hanbury-Tracy in unreinforced concrete. Hanbury-Tracy experimented with concrete c1870 and used the material for cottages and farm buildings on the estate. The concrete was made from river gravel, and brick fragments bonded with cement. It was laid in wet courses directly onto the wall using timber shuttering.
Single arch bridge of unreinforced concrete with rendered concrete parapet. The walls are built up in a series of lifts in a coarse aggregate and the arch is scribed to imitate ashlar. The parapet has a string course and a moulded cornice with panelled piers at the ends.
Listed for its pioneering use of unreinforced concrete of which the construction technique is clearly visible, as an important component of the surviving concrete buildings in Tregynon and for group value with other items at Gregynog.
Other nearby listed buildings