M6 Highways Bridge Strike, Lancashire

M6 Bridge Strike case study image thumbnail
M6 Bridge Road Strike Truck
M6 Bridge Propped Up
  • Construction, Infrastructure
  • Propping and Shoring, Major Lifting, Monitoring and Control

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Mabey Hire delivers solution to rapidly re-open the M6 following a bridge strike

In the event of a bridge strike, depending on the nature and force of the impact, the structural integrity of the bridge can be severely compromised. In the worst-case scenario, the bridge could collapse. This type of critical situation requires an emergency response to ensure the safety of anyone in the structure’s vicinity and to minimise disruption to road users.

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Challenge

When an articulated vehicle crashed into one of the main supports of a bridge over the busy M6 Motorway in Lancashire, the entire structure was in danger of collapse. Thankfully, the driver was not seriously injured, but the accident led to significant delays and the subsequent closure of the M6 in both directions between junctions 32 and 33.

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Solution

Mabey Hire was immediately contacted by Kier Highways, on behalf of Highways England, to help resolve the issue. Mabey's engineers worked through the night to design and install a solution which comprised two Mass 50 four-legged towers with base beams to spread the load on the carriageway, as well as header beams and hydraulic jacks which supported the existing bridge beams.

The bridge propping solution was partially assembled at the Mabey Hire depot to increase speed and minimise manual handling on site. It was installed overnight, which enabled the safe removal of the wreckage, and allowed the road to be re-opened within approximately 24 hours of the accident.

Grahame Porter, General Manager Area 13 M&R - Kier Highways comments:

Mabey Hire provided an absolute first-class response. From the initial call, Mabey Hire engineers designed and delivered a solution that enabled us to re-open the road in little over 24 hours. The team worked tirelessly, and we are extremely grateful for their support

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