Work to refurbish a bridge across the A1 in Northumberland is due to begin on Thursday.
Overnight closures of the southbound and northbound carriageways near Morpeth will be required on Thursday evening and Friday evening to install a safety system that will allow painting and resurfacing work to take place safely on the top of the farm access bridge, which is north of Mitford.
The Highways England renovations will be carried out throughout the day over a five-week period, with some lane closures in place overnight when traffic levels are at their lowest.
Michael Hoult, project manager at the Government-owned company, said: “Sections of the A1 will be closed overnight initially so we can install a system which will allow us to work on the bridge during the day while cars travel underneath – minimising disruption to drivers.
“Concrete repairs to the bridge structure will take place overnight when it’s generally less busy.”
The road will be closed southbound from 8pm on Thursday to 6am on Friday between the Clifton junction with the A197 and the Morpeth North junction with the A192, while the northbound carriageway will be closed for the same period on Friday evening.
Diversions will be in place through Morpeth, via the A197 and the A192.
From Saturday, there will be lane closures between 8pm and 6am on the north and southbound carriageways under the bridge. A minimum of one lane will be open in both directions during these times.
Additional overnight closures (8pm to 6am) will be needed to remove the safety system on Monday, November 3 for southbound traffic and Tuesday, November 4 for the northbound carriageway. The same diversions will be used.
Call Highways England on 0300 1235000 or visit www.highways.gov.uk/traffic to get real-time major A-road traffic details.