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Video | Winvic installs 440t bridge over A5
CM Staff
https://www.youtube.com/watch?v=W4UyH_2rXCA
Winvic has lifted eight railway bridge beams weighing a total of 440t into place over the A5, 2km north of M1 J18.
It is one of three bridges that Winvic is constructing for Prologis at DIRFT III in Northamptonshire, as part of a £29m contract to deliver a new intermodal rail freight terminal.
The A5 railway link bridge, a fully integral, single-span, prestressed concrete structure, will carry two tracks and has an effective span of 30m over the highway. The line will be networked to the existing DIRFT terminal and the West Coast Mainline at one end and the new intermodal rail freight terminal at the other. The terminal will comprise a five-track, 800m long siding with a rail traverser and a 79,000m2 concrete terminal slab. The facility will be capable of receiving up to 24, 775m long trains each day.
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The concrete beams were lifted into place on to the reinforced soil abutments and wing walls during a single day under a 43-hour road closure. A 50m tall Liebherr LTM 11000D crane arrived on site on the evening of Friday 16 April and was rigged on the usually busy trunk road in under ten hours. The first internal beam was sailed and bolted into place at approximately 10.30am on Saturday 17 April and the eighth and final edge beam was installed at 8:30pm, followed by the edge protection works. Multiple GRP (Glassfibre Reinforced Plastic) permanent formwork panels were also installed to the bridge deck throughout the day by the Winvic team. On Sunday morning (18 April), the crane was demobilised and traffic management removed, then the road was reopened on schedule at 3:30pm.
Winvic lifted eight bridge beams weighing a total of 440t into place over the A5 (Image courtesy of Winvic)
Planning, risk assessing, coordination and collaboration between a wide number of Winvic staff, subcontractors and stakeholders such as Highways England took place months in advance.
The project started in June 2020, with earthwork re-engineering of the plateau, and the scheme will be completed in summer 2021.
Rob Cook, Winvic’s director of civils and infrastructure, said: “Every project has its challenges but as you can imagine there has been years of planning, design and hard work to get to where we were this weekend, seeing the country’s newest railway bridge come to life. It has been the whole team’s skills and impeccable partnership work with Prologis and Highways England that have made the journey to this point a smooth one. I couldn’t be more proud of them for reaching this key project milestone at DIRFT III, and that they executed the very complex beam lift without any hitches, to schedule and – most importantly – safely. It has been an exciting and impressive thing to watch, but now our focus is primarily on the other two bridges and the rail track installation, and we look forward to completion this summer.”
The January/February 2026 issue of Construction Management magazine is now available to read in digital format.
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