A465 – Clydach Footbridge demolition

As part of the A465 Heads of the Valley dual carriageway upgrade in South Wales, the aging, reinforced concrete, Clydach Footbridge was deemed surplus to requirements and in need of demolition . Costain appointed Walters to undertake the demolition works during a 24hr road closure of the A465

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Lion Hotel footbridge demolition for highway improvement

During the overnight road possession, Walters highly skilled team undertook the removal of the bridge structure exactly in accordance with the pre-determined sequence, utilising oxy-propane gas cutting techniques to sequentially remove sections of the structure and lift them down to ground level using a 70T mobile crane.

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A465 Heads of the Valleys Dualling – Section 3

The existing 3 lane “Heads of the Valleys” road was built during the 1960’s across mountainous terrain, (at over 1000ft above sea level,) along a narrow strip of land between the South Wales valleys and the Brecon Beacons mountain range.

Increased traffic flows had made the road an accident blackspot, adjacent development meant that online widening was not a viable option. Key to success would be dealing with extensive surplus material and efficiently crossing the 500 metre wide, 30 metre deep Carno valley.

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