A major operation to deliver a new bridge in Great Yarmouth is nearing completion.
by Rory Butler / March 31, 2023
BAM Farrans Joint Venture (BFJV) is aiming to complete Herring Bridge for Norfolk County Council in the summer, having recently installed the leaf sections during a 72-hour civil engineering operation.
Construction started in January 2021, first with accommodation, enabling and demolition works.
Next, the teams began in-river marine works and construction of the approach embankments which support two underpass and the bascule bridge (opening bridge).
Bridging the gap
Work to install the leaves, each measuring 45m x 24m, began early on 21 March.
Each leaf weighs 770 tonnes, with a further 500 tonnes of heavy weight concrete per leaf for the counterweight.
When both elements are upright there is 50m of navigable water between the two bascule chambers.
BAM Farrans installed the east leaf into the closed position during the first 24 hours. The west leaf after that.
Full scope
A five-arm roundabout and dual carriageway will also be created as part of the major works.
When complete the bridge will link the A47 at Harfrey’s roundabout to the port and the enterprise zone on the other side of the river.
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