The Newport Bridge will be closed from Monday 8 July, for approximately 7 weeks.
The closure will include the A1032 Newport Bridge Approach Road, from Newport Roundabout to Portrack Interchange.
There will be signs in place showing diversion routes for traffic approaching from both Newport Roundabout and Portrack Interchange.
Access will be maintained for businesses in the closure area. Pedestrian routes across the bridge will also be open.