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What will major bridge works on the A47 near King’s Lynn mean for drivers?

Two bridges over the A47 at King's Lynn need repairing after they were struck by a lorry. Picture: Chris Bishop

Two bridges over the A47 at King's Lynn need repairing after they were struck by a lorry. Picture: Chris Bishop

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Officials hope delays to drivers will be no more than 10 minutes when roadworks close part of the A47 near King’s Lynn.

Repairs to two bridges at the Saddlebow Interchange are due to begin on October 23.

Today Highways England put plans for the project on show, along with details of the diversions drivers will have to follow around it.

Those hoping to cross the A47 from South Lynn to Saddlebow, will have to take a detour east a mile to the Hardwick Roundabout, before turning back up the A47.

Those crossing from Saddlebow to Lynn will be diverted via the Pullover Roundabout, again around a mile from the affected junction.

“We are thinking it will cause 10 minutes of delay maximum, but we are looking at different ways of mitigating that as well,” one engineer said.

He added that no work would be carried out over the Christmas period, between December 21 and January 4.

One westbound lane of the A47 will be closed 24/7, throughout the duration of the works, which are expected to be completed in March 2018.

There will also be speed restrictions along the affected stretch and eight weekend closures, between 8pm on Friday and 6am on Monday, on dates to be announced.

Those heading from west to east, or east to west along the A47 will be diverted up and around the bridges via the slip roads on either side of them.

Today it emerged that the damage was caused by a lorry carrying an excavator, which collided with both bridges in 2012.

Both bridges will need to be lifted up so that damaged steel beams can be removed and replaced.

Once the work is completed, lane restrictions to reduce weight loadings on the damaged spans will be removed.

The work is part of an £18m package of improvements to the A47 between Peterborough and Great Yarmouth, which includes 70 different schemes in Norfolk.

They include resurfacing works, bridge repairs and improving signage, road markings and street lighting.

Highways England said the project would improve safety along the route.

For more information on the progress of the works, you can follow @HighwaysEAST on Twitter.

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EDP motoring editor, journalist who loves wheels and engines but hates cleaning them.

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