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Our Capabilities

Permanent Underdeck Gantries

At Spencer Bridge Engineering, we design and install permanent underdeck gantry systems that provide safe and efficient long-term access to bridge structures.

Engineered to support ongoing inspection, maintenance and refurbishment, our gantry solutions enable asset owners to manage structures more efficiently throughout their lifecycle. From complex long-span bridges to high risk or hard to access structures, our systems are fully integrated with the operational requirements of each asset.

Bridge maintenance requires reliable access to critical areas of the structure, often in locations where traditional methods are inefficient, disruptive or unsafe. Permanent underdeck gantries provide a long-term solution, removing the need for repeated temporary access installations.

From complex long-span bridges to high risk or hard to access structures, our systems are fully integrated with the operational requirements of each asset

Our teams work closely with clients to understand how their assets are used, what constraints they face, and what future maintenance will require. We use that understanding to develop gantry systems that provide safe, continuous access to all structural elements while minimising disruption to road, rail, and marine operations, improving maintenance efficiency, and supporting long-term asset management.

Our permanent underdeck gantry capabilities span the full lifecycle, from the design and engineering of bespoke systems through to structural and mechanical integration with bridge assets. We deliver installation and commissioning of permanent access systems, alongside maintenance, inspection, and lifecycle support. We also refurbish and upgrade existing gantries, integrate solutions with inspection and maintenance strategies, and provide systems for long-span, complex, and high-risk structures.

Permanent underdeck gantries play a critical role in the safe and efficient management of bridge infrastructure. Our focus is on delivering engineered access systems that provide long-term value, improving safety, reducing disruption, and supporting effective asset stewardship.

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