Queensferry Crossing Bridge

Scotland, United Kingdom

Cable-stayed

Bridge type

650

Maximum light

2637.5 (Includes viaducts approx.)

Length

39,8

Broad

Road

Purpose

Mixed

Board material

Cantilevered advance

Construction procedure

The Queensferry Crossing is one of the world’s largest cable-stayed bridges and one of the most significant transport infrastructure projects delivered in the United Kingdom in recent decades.

The project involved the design and construction of a new crossing over the Firth of Forth, increasing capacity and resilience along one of Scotland’s most important road corridors.

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The Queensferry Crossing holds the world records for the longest span of a multi-span cable-stayed bridge and the longest span of a composite-deck cable-stayed bridge.

During its construction, the method of crossing the cables at the center of the span was used for the first time to stabilize adjacent cable-stayed spans under alternating loads.

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Its construction involved significant challenges such as the fabrication and placement of large-diameter driven caissons, large sheet pile enclosures, the cantilevered lifting of segments using gantry cranes, and the launching of the North and South approaches. The combination of multiple construction methods and the scale of the project make the Queensferry Crossing a world-class infrastructure and a prime example of bridge construction technology.

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Developed under a design-build contract, the project combines advanced structural engineering solutions and long-span bridge construction in a highly complex maritime environment.

Project data

World's longest three-tower cable-stayed bridge

2.7 km total crossing length

Three pylons 210 m high

Main span 650 m

Strategic new connection across the Firth of Forth

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