Enhancing Access to Hoddesdon Business Park with a Sustainable Bridge Solution
Hertfordshire County Council required a modern bridge structure to replace the narrow existing bridge over New River, the sole access route into Hoddesdon Business Park. This thriving mixed-use park supports over 5,000 jobs and is a vital contributor to the local economy. However, the previous bridge could not accommodate HGV traffic, necessitating a wider structure with improved pedestrian and cyclist access.
Geoquest was engaged during an early contractor involvement (ECI) stage to develop a retaining solution for the bridge ramps. A key aspect of the project involved utilising backfill materials from various sources, including recycled concrete, to reduce environmental impact and support sustainability goals.
The bridge’s location near a historic pumping station required a design that complemented the listed building’s architectural style. Collaborating with casting partner Macrete, Geoquest designed and manufactured bespoke coloured wall panels featuring a textured brickwork pattern that harmonised with the historic surroundings. The versatility of Geoquest’s systems allowed for this custom finish to be achieved at minimal additional cost.
The retaining walls were constructed using PVA EcoStrap soil reinforcing strips, an innovative solution comprising high-tenacity polyvinyl alcohol fibres encased in polyethylene. This technology offers exceptional durability, being resistant to pH, sulphate, and chloride levels in reclaimed and site-won materials.
In addition to designing and supplying the retaining wall system, Geoquest provided vehicle parapet copings and support slabs, delivering a comprehensive solution that meets the project’s structural, aesthetic, and environmental requirements.
By integrating sustainable materials and innovative design techniques, this project improved access to Hoddesdon Business Park while respecting the area’s historic character.
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