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Our Capabilities

Permanent Works Design

At Spencer Bridge Engineering, we deliver permanent works design solutions that combine technical excellence with practical, buildable engineering. Our expertise supports the development, enhancement and long-term performance of bridge infrastructure across the UK, including new structures, strengthening schemes, refurbishment and life-extension projects. We focus on safe, efficient designs that optimise whole-life performance and asset value. 

Effective bridge design goes beyond compliance. It requires a clear understanding of construction methods, maintenance needs and operational demands across the asset lifecycle. From the earliest stages, our teams work closely with clients, stakeholders and delivery partners to ensure designs are practical, buildable and aligned with programme and operational requirements. This early focus helps reduce risk, improve constructability and enhance project outcomes. 

A safety-led approach underpins every permanent works design. Whether developing new bridges or upgrading existing assets, we prioritise solutions that are safe to construct and maintain, structurally robust, resilient over time and compliant with current standards and best practices. We also aim to reduce material use where possible, supporting efficiency and sustainability goals. 

Our multi-disciplinary capability integrates structural, civil, mechanical and access engineering, enabling coordinated solutions for complex structures and optimised constructibility, while supporting specialist access, refurbishment, strengthening and life-extension works across all stages.

Our services include structural design and analysis, bridge strengthening and upgrade design, refurbishment and life-extension schemes, steelwork and concrete repair design, bearing replacement design, access and gantry integration, mechanical and operational systems design and detailed design development with technical assurance. 

By combining engineering expertise with delivery experience, we create robust permanent works solutions that improve performance, reduce risk and support long-term asset stewardship. Our goal is to help clients deliver infrastructure that is safe, resilient and built to perform for generations. 

FEATURED PROJECTS

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No matter the client, we bring the same commitment to safety, collaboration, and delivery—working together to achieve better outcomes for rail users, communities, and the wider network.

Our projects

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Registered in England and Wales: 08053188 | VAT: 437 071 405 Part of the Spencer Group