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In page London Bridge:

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Demolition of the houses was completed in 1762 and the last tenant departed after some 550 years of housing on the bridge.[19] Under the supervision of Dance the Elder, the roadway was widened to 46 feet (14 metres)[20] and a balustrade was added "in the Gothic taste" together with fourteen stone alcoves for pedestrians to shelter in.[21] However, the creation of the Great Arch had weakened the rest of the structure and constant expensive repairs were required in the following decades; this, combined with congestion both on and under bridge, often leading to fatal accidents, resulted in public pressure for a modern replacement.[22]