Salisbury Cathedral and Chichester Cathedral, 1402 to 1861) and fallen down; instead, Salisbury became the tallest church spire in the country on the collapse at Lincoln in 1549. The large supporting pillars at the corners of the spire are seen to bend inwards under the stress. The addition of reinforcing tie-beams above the crossing, designed by Christopher Wren in 1668, halted further deformation. The beams were hidden by a false ceiling, installed below the lantern stage of the tower. Significant changes to the cathedral were made by the architect James Wyatt in 1790, including replacement of the original rood screen and demolition
Northern Spire Bridge 2017, the central pylon was installed which stands at a height of , making it the tallest structure in Sunderland. The raising of the bridge pylon marked the culmination of two years of design and planning and twelve months of fabricating. Northern Spire Bridge The Northern Spire Bridge is a bridge over the River Wear in Sunderland, Tyne & Wear. The crossing opened on 28 August 2018. A three-span cable-stayed structure, construction began in May 2015, overseen by Farrans Construction and Victor Buyck Steel Construction. A crossing had been proposed as early as 2005, however financial uncertainties caused significant delay