HS2 Launches 4,200-tonne Curzon 2 Viaduct Slide Birmingham

BIRMINGHAM, UK – A 4,200-tonne, 150-metre-long steel truss bridge for the HS2 high-speed rail line is being moved into its final position over an existing railway. The final phase of the three-stage, 180-metre launch is expected to conclude on Friday, 5th June. The installation requires a closure of the Cross City line between Birmingham New Street and Lichfield Trent Valley from 29th to 31st May 2026.

What Is the Full Scope of This Project?

The project involves the final installation of the Curzon 2 viaduct, a key component of the five-viaduct network forming the approach to the new HS2 Curzon Street station. The structure is made of 670 individual sections of weathering steel, forming a truss that will reach over 40 metres in height. A team of 250 engineers has worked for three years on the superstructure, which will be slid into place using a hydraulic jacking system to rest on four permanent concrete piers.

Key Project Data

How Does This Compare to Similar Projects?

This engineering milestone is part of the broader HS2 programme, which continues to advance despite a project-wide “reset” to control costs. Other major contracts on the route are also progressing, such as the recent award of an £856m contract to build the project’s “nerve centre” at Washwood Heath, also in Birmingham (Source: Construction News, 2026). The cost and schedule pressures facing HS2 reflect a global trend in high-speed rail megaprojects. In the United States, California’s high-speed rail project has seen its estimated cost escalate from $33 billion to over $100 billion, with construction focused on a 119-mile segment (Source: Gizmodo, 2026). By contrast, Florida’s privately-operated Brightline service has struggled to meet initial ridership and revenue projections, leading to significant financial losses (Source: Insurance Journal, 2026).

Editor’s Analysis

The successful installation of complex structures like the Curzon 2 viaduct provides tangible evidence of progress for the HS2 project, which is crucial for maintaining political and public confidence amid ongoing budget realignments. While the source material focuses on the engineering achievement, the broader context shows that delivering such infrastructure on budget remains a global challenge, as seen in both state-funded and private-sector high-speed rail projects in the US. The completion of these individual milestones is vital for demonstrating value and momentum for the entire 140-mile London to West Midlands line.

FAQ

Q: How heavy is the new HS2 bridge in Birmingham?
A: The entire deck and truss structure being moved weighs 4,200 tonnes. This massive assembly is being slid a total distance of 180 metres into its final position.

Q: When will the railway line be closed for the bridge launch?
A: The Cross City line will have a short closure between Birmingham New Street and Lichfield Trent Valley from Friday, 29th May to Sunday, 31st May 2026. This is required for the second phase of the launch, which pushes the viaduct 93 metres over the existing tracks.

Q: Who is building this section of the HS2 line?
A: The primary source article refers to a “construction partner” and a senior project manager, Onder Akin, but does not name the specific company or joint venture responsible for the Curzon 2 viaduct. HS2 Ltd is the overall client for the project.