Tilting Bridge in Motion
See amazing timelapse video (0.13 sec) here: www.youtube.com
The Tyne Bridge - Icon of an Industrial Age
Read more: www.bbc.co.uk
Construction began in 1925 and the Tyne Bridge opened in 1928. There are four other bridges of similar design in the world; two in the UK (Tyne and Wylam), one famous in New York, and the popularized Harbour Bridge in Sydney, Australia.
(Excerpt) "... Navigational clearance was always a factor to be considered in bridge building on the Tyne and this is reflected in its height above water. Dorman Long of Middlesbrough were the contractors and Mott, Hay and Anderson the designers ... [they used] a modified design based on the Sydney Harbour Bridge, already under construction for 7 months by the time work commenced on [Tyne Bridge], and [Harbour Bridge was] completed 3 years after the Tyne Bridge ..."Read more: The Tyne Bridge
Also, there are other Bridges on the Tyne
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