Restoring Barmouth Viaduct

Duration: 6 weeks

Client: Network Rail

Duration: Three closures from September 2020 – December 2022              

Location: Cambrian Coast Line, North Wales

Project Overview:

At over 150 years old Barmouth Viaduct is in poor condition due to the significant decay of timber elements and the corrosion of a large proportion of metallic elements. Networks Rail’s major investment upgrade will safeguard the future of this iconic structure, transforming services throughout the Wales and Borders Network. The entire length of track within the structure will be replaced, however, to reduce the impact works will take place over three years, with three short closures.

TXM Solution:

Working collaboratively with Allun Griffiths and the wider supply chain, our POS team was involved in delivering the full requirements needed to initiate works. Striving to deliver the most effective solutions, our teams conducted extensive early surveys to effectively identify potential challenges and solutions, as well as machine access and planning regulations.

Using our Monster Cranes, teams lowered 3 tonne loads on to pontoons on the beach below. Renewal works involved full longitudinal timber and rail replacement of 2394 structural members, in addition to the replacement of the entire 820m length of track.


The first stage of the upgrade was completed on 5th November 2020, with teams working around the clock to improve services throughout the Wales and Borders network. Despite the challenges COVID-19 presented and tricky weather conditions, collaboration ensured safety remained the number one priority in completing the initial stage of the upgrade.

TXM Plant is hugely proud of all involved and look forward to continuing works in September 2021, with safety and efficiency continuing to be at the forefront of TXM’s delivery.

In July’s edition of Construction View Journal, TXM Plant featured alongside Alun Griffiths. Read the full article here (page 89).

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