The motorway was closed from 9pm on Friday night to 11pm on Saturday night – re-opening more than a day early after 80 staff worked to demolish Nan’s Nook footbridge linking Greaves Hill Lane and Guys Farm Activity Centre near Forton.
The closure, between junction 32 of the motorway at Broughton Interchange and junction 33 at Galgate, had been scheduled to last until 5am on Monday but Highways England staff and contractors worked as quickly as possible to demolish and then remove the 320 tonne bridge which was 62 metres long and 2.4 metres wide.
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Highways England project manager Chris Riley said:
“It’s worth repeating our thanks to people living along the A6 diversion route as well as motorway users - particularly the haulage industry and emergency services - for their support and patience at the weekend.
“Closing the motorway is not something we do without a great deal of thought and careful planning but it was the only way we could remove the bridge safely. We promised to re-open the motorway as soon as possible and in the end we did that more than 24 hours earlier than scheduled.”
Lancashire Police and Highways England’s own traffic officers were also involved in the operation, helping to manage traffic approaching the motorway closures and keep vehicles moving along the A6.
The time lapse video released today features various stages of the demolition process including staff:
:: installing 210 ‘bog’ mats to protect the carriageway
:: removing the safety barriers
:: demolishing the bridge piers and bridge deck
:: processing the concrete and removing spoil from site
:: removing mats and re-instating barriers
:: sweeping and reopening the carriageways
Three 36 tonne excavators with pulverisers were deployed to the site and 16 wagon loads of spoil were removed. More than 300 tonnes of concrete was removed from the site and will be recycled into building sub-base materials. All the metal in the reinforcement bar and pedestrian hand rails will be fully recycled too.