Grantham Southern Relief Road update – First half of new A1 bridge nearly ready for use

GSRR update Oct

The first half of the new A1 bridge will be ready for vehicles to use in October.

What we achieved in September

  • Completed steel and concrete works to the first phase of the A1 bridge
  • Carried out earthworks, pavement construction and surfacing to tie the new structure into the A1
  • Continued drainage works to the western side of the scheme
  • Installed temporary sheet piles on the A1 and laid road surfacing to the A1 tie-in

What's happening in October

  • Complete road surfacing of the new section of A1 ahead of moving traffic to the first half of the new bridge
  • Continue drainage works to the western side of the scheme
  • Carry out ducting installation at and near the new roundabouts
  • Continue piling operations for the second stage of the new A1 bridge and begin guidewall construction
  • Switch traffic so the A1 runs on the first half of the new structure
  • Anglian Water will be commencing watermain diversions west of the railway as part of Phase Three / Galliford Try to construct a haul road for Anglian Water from Whalebone Lane towards the railway providing access for additional watermain diversion east of the rail line
  • Continuing post-excavation archaeological reporting

Upcoming traffic restrictions and closures

  • Full night-time closure on the northbound A1 between Little Ponton and Harlaxton from 8pm to 6am
    • Thursday 1 October to Monday 5 October for five evenings>
    • Sunday 10 October
      • Diversion via A606 at Stamford to the A607 to the A1 at Harlaxton.
  • Full night-time closure on the southbound A1 between Harlaxton and Little Ponton from 8pm to 6am
    • Tuesday 6 October and Wednesday 7 October for two evenings
    • Saturday 9 October
      • Diversion via the A607 at Harlaxton to the A606 to A1 at Stamford.
  • Lane closure on the southbound A1 between Harlaxton and Little Ponton from 8pm to 6am
    • Thursday 8 to Monday 12 October for five evenings

Current/ongoing traffic restrictions and closures

  • 50mph speed limit and narrowed lanes on the A1 between Harlaxton to Little Ponton

Published: 2nd October 2020