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"Strong focus on aesthetics" contributed to collapse of Norway timber bridge
An official report into the collapse of a 10-year-old mass-timber bridge in Norway in August 2022 has criticised the structure's design and construction.
An earlier report concluded that the bridge most likely collapsed as a result of block shear failure – a type of fracture – in one of its timber diagonal members that had become weak over time. Provisions for this transitional period enabled the project to follow the older national standards, which unlike the Eurocodes did not account for block shear failure. "If you read the conclusion from NSIA you will see that the collapse of the Tretten Bridge was caused by deficient regulations (national code) for building timber structures at the time of planning/construction," the studio's Yngve Aartun told Dezeen in a statement.
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