Foryd Harbour Pedestrian and Cycling Bridge

The Foryd Harbour Pedestrian and Cycling Bridge is a new crossing of the River Clwyd Estuary at Rhyl in North Wales. Situated downstream of the harbour, the bridge needed to be an opening structure to allow passage of fishing boats and yachts. Following a design competition, Ramboll working with Dawnus Construction Ltd were appointed to carry out the design of the bridge.

The winning design was a double bascule bridge comprising of two cable stayed Fibre Reinforced Polymer (FRP) composite decks, supported and lifted about a central support by means of a single tower at the centre of the structure. The decks have been fabricated using Fibre Reinforced Polymers and form a monocoque structure. The lift mechanism comprises a winch mechanism creating two symmetric draw bridges either side of the central tower.

This paper discusses the philosophy behind the design of the bridge and describes the advantages of using FRP for this structure.

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