Mersey Gateway – Bridge RFC Works

The Mersey Gateway Project a six-lane cable-stayed bridge with 3 pylons over the River Mersey between the towns of Runcorn and Widnes.

The bridge being 2.3km long with a river span of 1 km, which opened in October 2017.

The Project Company was the Merseylink consortium.  The contractors Merseylink Civil Contractors Joint Venture comprising Kier Infrastructure and Overseas Ltd, Samsung C & T Corporation and FCC Construccion S.A.

Sword were involved from May 2015 completing RFC works for the approach viaducts.  This included:

  • Constructing 32 no. pile caps, each taking approximately 150m3 of concrete in each.
  • The construction of 69 no. piers consisting of 188 concrete lifts.
  • Following the casting of the piers to full height the installation of a Temporary propping system.
  • The construction of 28 no. diaphragm beams to tie together the main bridge span precast concrete beams.
  • The casting of the main deck areas on the approach.
  • For the main slip and the on /off slips Sword constructed 3 no. main abutment walls with approx. 550m3 cubic metres of concrete in each.
  • In total our work scope across this project required us to place approx. 24,000m3 concrete, and fix 4000 tonnes of rebar and 26000m2 of formwork

In addition Sword supplied and co-ordinated use of 50t Crawler Cranes, 55t -90t Mobile Cranes, a 6 axle self-erecting Tower Crane and Concrete Pumps ranging from 24mtr up to 52mtr.

(Images courtesy of The Mersey Gateway Project)