Edinburgh drivers have been warned that a major road will be partly closed from this weekend.
BEAR Scotland have reminded motorists that due to repairs on the bridge at Kirkliston, part of the M90 will be closed overnight on two different weekends in October. Undergoing both deck refurbishment and waterproofing replacements, the M90 will need to be closed in one direction between M9 Junction 1A Kirkliston and M90 Junction 1 Scotstoun on two weekends.
Alerting drivers that diversions will be in place, the M90 will be closed southbound between Junction 1 and M9 Junction 1A from 20:30 on the night of Friday 14 October until 06:00 on Monday 17 October. Traffic will be diverted via the A90, A902 Maybury Road and the A8.
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The M90 will then be closed northbound between M9 Junction 1A and M90 Junction 1 from 20:30 on the night of Friday 21 October until 06:00 on Monday 24 October. Southbound traffic on the M9 intending to join the M90 will be directed to leave the M9 at Junction 2 Philipstoun and follow the A904 to M90 Junction 1A Queensferry.
Northbound traffic on the M9 intending to join the M90 will be directed to leave the M9 at Junction 1 Newbridge and follow the A8, A902 Maybury Road and A90 to M90 Junction 1.
Over each weekend of the project, the existing bridge deck surfacing and waterproofing will be removed and any underlying concrete repairs will be undertaken before a new waterproofing system is applied, the bridge is resurfaced and expansion joints are reinstated.
Chris Tracey, BEAR Scotland’s South East Unit Bridges Manager, said: “The project to refurbish and re-waterproof this bridge deck is essential to ensuring that this motorway structure continues to provide a safe and reliable service for years to come. A key benefit of the project will be to help avoid reactive closures of the M90 to undertake surfacing repairs caused by underlying bridge deck issues, as has been the case in previous winters.
“The waterproofing membrane is an essential element on all concrete bridges to protect the deck from the harmful effects of chloride contaminated water. However, this membrane has a finite design life and will typically require replacement several times over the life of a structure. The waterproofing membrane of this structure was last replaced over 20 years ago and has reached the end of its serviceable life.
“We’ve scheduled the works at weekends in order to minimise travel disruption as much as possible. The dates have been chosen to avoid key events taking place in Edinburgh and the surrounding area.
“Whilst every effort will be made to ensure that the M90 is fully open to traffic each Monday morning at the end of the weekend working, the extent of concrete repairs required will not be known until the existing surfacing is removed. These works are also weather dependent and so could be postponed and rearranged at short notice depending on weather forecasts.
“Traffic delays are expected to be significant, so we thank motorists in advance for their patience and understanding and recommend that they check the latest travel updates and allow extra travel time for their journeys during these periods.”
Live traffic information is available from the Traffic Scotland website and Twitter account.
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