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Video: First deck sections poured on HS2's 300m-long viaduct in Birmingham

Artist's impression of the view underneath the Curzon No.3 Viaduct.
Artist's impression of the view underneath the Curzon No.3 Viaduct.

HS2 have released stunning drone footage showing construction progress as work ramps up on the 300-m-long viaduct that will bring high-speed trains into Birmingham’s Curzon Street Station.

Over 2,000 cubic metres of concrete have been poured to create the first two 90 m sections of the viaduct deck structure, with the construction of two further deck sections well advanced. The concrete was delivered and poured during night-time operations to minimise impacts on local roads.

In total over 11,000 cubic metres of concrete will need to be poured to complete the whole viaduct. A total of 26 piers, between 5-6 m tall, have also been built to carry the viaduct, with four huge steel tripods currently under construction to support the viaduct over Digbeth Canal.

Over the next few months, once the concrete has been poured on each section, the shuttering and scaffolding will be removed, the viaduct sections will receive precast parapets and other finishing works will start. 

Further sections of the viaduct will be built in the same way, and next summer, the span over the canal will be completed using jacks to slide 34 temporary steel girders, each measuring 38 m, below the four steel tripods to support the formwork and further deck construction.

Curzon Viaduct No.3 is part of a series of five connected viaducts between Washwood Heath and Curzon Street Station in central Birmingham.

On the approach to the station, the viaduct widens from a single deck to four separate decks, spanning 65 m at the widest point, to carry seven tracks to the platforms.