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Garden Bridge

A Grade II Listed Building in Tregynon, Powys

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Coordinates

Latitude: 52.5668 / 52°34'0"N

Longitude: -3.3514 / 3°21'5"W

OS Eastings: 308496

OS Northings: 297406

OS Grid: SO084974

Mapcode National: GBR 9Q.CCKJ

Mapcode Global: WH79Z.HR93

Entry Name: Garden Bridge

Listing Date: 31 January 1997

Last Amended: 31 January 1997

Grade: II

Source: Cadw

Source ID: 18151

Building Class: Gardens, Parks and Urban Spaces

Location: Located in front of Gregynog Hall and spanning a sunken garden.

County: Powys

Community: Tregynon

Community: Tregynon

Locality: Gregynog

Traditional County: Montgomeryshire

Find accommodation in
Tregynon

History

Built in concrete to span a sunken garden which was formerly a shallow pool. The bridge is said to have borne a plaque dated 1880 recording its construction. The use of unreinforced concrete was pioneered c1870 by Henry Hanbury-Tracy for cottages and farm buildings. By 1880 he had reverted to brick for farm buildings, but persisted with concrete for the bridge, perhaps for the aesthetic effect of its extremely coarse aggregate. 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. The original parapet was largely replaced after 1972.

Exterior

Single arch bridge faced in unreinforced concrete with a rubble core, and a parapet with splayed ends and piers to which figurines were later added. The concrete is of an extremely coarse aggregate of river borne pebbles and large brick fragments used for their colour effect. Beneath the arch the concrete was laid between 5 courses of shuttering, in which putlog holes are visible. The tunnel vault is of a finer aggregate and is impressed with the boards of the arch former. The parapet is largely modern, in a fine concrete.

Reasons for Listing

Listed for its pioneering use of unreinforced concrete, its method of construction being clearly discernible, and for group value with Gregynog Hall and other items at Gregynog. It also forms an important component of the surviving group of concrete buildings in Tregynon.

Other nearby listed buildings

  • II Fountain (south-west)
    Located within the gardens of Gregynog Hall, immediately in front of the house.
  • II Fountain (north-east)
    Located within the gardens of Gregynog Hall, immediately in front of the house.
  • II* Gregynog Hall
    1.7km SW of parish church, in a large area of parkland and gardens. The house faces roughly SE.
  • II Stable and Coach House
    Located immediately E of Gregynog Hall.
  • II Bridge in Parkland
    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.
  • II Middle Lodge
    Located within the grounds of Gregynog Hall, approximately 0.4km E of Gregynog Hall, on N side of a driveway leading to Tregynon.
  • II Wood Cottage
    In an isolated position on the edge of Gregynog Great Wood, half a kilometre west of Gregynog Hall.
  • II Ty'n y Bryn Farm Buildings
    On the E side of a minor road between Tregynon and Newtown, approximately 1km S of parish church. Reached by a short farm road, the farm buildings are on the N side of the farmhouse.

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