The Mersey Gateway Bridge

The Mersey Gateway Bridge
  • Location: Widnes & Runcorn
  • Project type: Aggregate reclamation and disposal
Mersey Gateway pic 2
Mersey Gateway pic 3

Opened officially 14th June 2018 be her Majesty the Queen, Mersey Gateway, is £600 million transport scheme. It will link city of Liverpool, North Cheshire and the North West to the rest of the country. Preparation and construction work began back in May 2014, in the hopes of alleviating the continued growth of traffic on the grade II listed Silver Jubilee Bridge. The bridge spans the River Mersey, at a total length of 1.4 miles, which will include a 6-lane toll road.


The removal and recycling of existing aggregates on both the north and south of the Mersey estuaries; allowing the remediation of the existing salt marshes, under a scheme managed by the Mersey Gateway Environmental Trust. A trestle bridge was built in order to complete the construction of the bridge, this also needed to be extracted.


After winning the tender to complete the project, worked commenced on site in 2018 in conjunction with Kier Construction.

Our team of extraction experts were tasked with the recovery and recycling of 150,000 tonnes of aggregates. Our ability to sell to the whole of the market put us in a unique position. We distributed the significant quantity of material on site, mainly 6F5, within a specific time frame.

Whilst extraction and recycling of the aggregates was occurring, BVL were also reinstating the existing salt marshes. We agreed this in the tender specifications in the hopes of increasing biodiversity within the area.


Since the complete the environmental impacts on the site have been incredibly positive. An area which was previously know for being depauperate and lacking in in environmental conditions. Biodiversity has begun to increase within the salt marsh

Dr Andrea Drewitt, Biodiversity Manager at Mersey Gateway Environmental trust added ‘we are entering a new phase of project, i.e. a long-term management of the salt marsh by the Mersey Gateway Environmental Trust. We can already see changes shortly after the removal of the material – early colonisers are starting to emerge on the salt marsh and we are expecting a fully established salt marsh vegetation in the next years. The installed ponds add important features to the marsh, contributing to the diversity of species attracted to the salt marsh, in particular estuarine birds. We are looking forward to witness how nature moves back into a space that was a construction site for over 4 years’

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Image Credit: Mersey Gateway Environmental Trust


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