National Highways said global materials shortages caused by the Covid-19 pandemic had led to the three-month delay on the Cheshire project.
The scheme was originally supposed to complete in August.
Complications from Covid included an entire team of drainage installers having to self-isolate. Traffic signal poles coming from Holland were delayed as pandemic guidelines in that country changed.
The international chip shortage, caused by factories closing because of the pandemic and two factory fires, also impacted the project. The shortage meant it was harder to get the materials National Highways needed for traffic signal controllers.
Compounding all of this was the blockage of the Suez Canal by the Ever Given cargo ship in March. The shutting down of one of the world’s busiest waterways for six days meant considerable delays for global supply chains, including those impacting the construction industry. That just increased the delays the M6 link bridge project was facing.
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As work continues on the site, the M6 Junction 19 roundabout and M56 Junction Seven West exit will be closed from 9pm to 6am every Monday to Friday until construction is complete. That same area will also be closed from 9pm 17 September until 6am 20 September for resurfacing.
Amey is the lead contractor on the project, which National Highways estimates will end up costing between £31m and £66m.