Mersey Gateway bridge over the Mersey river

Mersey Gateway bridge over the Mersey river Runcorn (Borough of Halton). North West of England

Location Runcorn (Borough of Halton). North West of England

Structural typology Main bridge: 4 span, 3 mono-tower cable stayed bridge with a single post-approach tensioned concrete box deck. Viaducts: post tensioned concrete box girder with internal bonded tendons

Property Halton Borough Council

Builder Merseylink Consortium (FCC-Samsung C&T Corporation, Kier Infraestructures & Overseas Limited)

Work scope Technical survey of the tender process along with FCC technical services. Particularly we have been involved in: Technical assessment of the various proposed options during the tender study stage for both the Mersey Gateway bridge and the remaining structures involved in the Project. Supervisión and review for the tender technical development from both the design and the construction point of view. Technical assessment and design of the temporary works in the cable stayed bridge. Assessment of the existing structures state included in the Project. Supervisión and carrying out of the cable stayed bridge bill of quantities

Overall length2.248 m

Span lengths North approach viaduct 49,58+64,17+70+67,67+6x64,17+17+70

Main bridge181+249+318+205;

South approach viaduct68+6x70+56

WidthVariable from 32,20 to 42,90 m

Curvature radios720 m in the North approach viaduct