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Medway Viaducts
The Medway Viaducts are three bridges or viaducts that cross the River Medway near Rochester in north Kent, England. The two road bridges carry the M2 motorway carriageways. The other viaduct carries the High Speed 1 railway line.
==Original motorway viaduct==
Opened on 29 May 1963, by Rt. Hon. Ernest Marples MP, Minister of Transport, the Medway bridge formed a key piece of the M2 motorway. It originally had a six-lane (two London-bound, two coast-bound, two hard shoulder) formation. In addition, a footpath either side that doubled as a small service road for maintenance and pedestrians. These footpaths were part of the North Downs Way, offering panoramic views of the Medway Valley and beyond. During the M2 widening, the original bridge was refurbished and strengthened. The central span, which was made from concrete beams, was replaced with steel girders. The concrete beams were lowered down on to a river barge underneath. As part of the M2 widening, the original bridge had street lighting fitted to it for the first time.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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