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Project Overview

Client Liverpool City Council

Project Value £6.5m

Expertise Civil Engineering

Sector Highways

Timeline July 2016 - April 2017

Location England North

A565 Great Howard Street Bridge, Liverpool

Improving traffic flow in Liverpool city centre

Project summary

Working collaboratively with Liverpool City Council (LCC) in our role as principal contractor, the A565 Great Howard Street Bridge project has significantly improved traffic flow along a crucial Liverpool city centre arterial route. Completed in ten months, this important road network upgrade centred on the replacement of a ‘weak’ bridge that accommodates the transport of traffic over a disused railway line to north Liverpool docks. The four-lane carriageway carries approximately 25,000 vehicles each day.

 

Through the implementation of “innovative construction techniques” and alternative traffic management proposals, we ensured that motorists and businesses endured less disruption than originally estimated (road closure duration reduced by four weeks), allowing them to effectively plan their activities around this major works programme.

 

£6.5m

Project value

July 2016

The project commenced

April 2017

The project was completed

GRAHAM's solution

Awarded through Highways England’s Collaborative Delivery Framework (Lot 2 – but with LCC as the client), this technically challenging scheme involved the demolition of the existing bridge and tunnel over a disused railway and the subsequent construction of a new replacement concrete deck bridge.

The £6.5m project, which commenced in July 2016, also incorporated the strengthening of a 170m long brick retaining wall by installing ground anchors and pattress plates. The 38m long precast beams utilised on the project were installed by single crane lifts while the high containment parapet wall was cast off-site in 20tn precast units and supported on temporary false work supports from ground level, allowing the deck slab to be poured in one continuous pour.

The Behavioural Maturity Framework (BMF), a Highways England (HE) management tool to track the behavioural experiences of stakeholders, such as LCC (client) and Amey (designer), was piloted on this scheme – a first for a non-HE project.

"We have collaborated closely with Liverpool City Council to propose innovative construction techniques that will keep Great Howard Street open to traffic for longer than initially envisaged. This gives us a great opportunity to help local businesses to plan their activities around these major works on a key arterial route into the city"

Dave Brown GRAHAM Highways Director

"This scheme is absolutely essential to improving traffic flow. We need to invest in our infrastructure, so we are able to handle the increasing amount of businesses, freight and people travelling to and through Liverpool. This is especially important on this route due to the completion of the new Liverpool 2 deep water port which is absolutely critical to the future economic success of the city region"

Councillor Malcolm Kennedy Liverpool City Council

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