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45 years of the Forth Road bridge

The Forth Estuary Transport Authority has released rarely seen video footage including time lapse photography showing how the bridge flexes to accommodate the effects of traffic and the weather.

The bridge is designed to flex, expand and contract and a section of the film, recorded using time lapse technology, shows how the deck quite literally undulates to accommodate the load imposed by wind and traffic.

Commenting on the bridge’s anniversary and the release of the footage, Forth Estuary Transport Authority Vice-Convener Tony Martin said: “It’s a tribute to the bridge’s workforce and management that the structure has reached this milestone in such good condition, and that it continues to form such a reliable link in Scotland’s road network.”

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