<Tr> <Td_colspan="2"> Forth Bridge Location in Scotland </Td> </Tr> <P> The Forth Bridge is a cantilever railway bridge across the Firth of Forth in the east of Scotland, 9 miles (14 kilometres) west of Edinburgh City Centre . It is considered as a symbol of Scotland (having been voted Scotland's greatest man - made wonder in 2016), and is a UNESCO World Heritage Site . It was designed by the English engineers Sir John Fowler and Sir Benjamin Baker . It is sometimes referred to as the Forth Rail Bridge to distinguish it from the Forth Road Bridge, though this has never been its official name . </P> <P> Construction of the bridge began in 1882 and it was opened on 4 March 1890 by the Duke of Rothesay, the future Edward VII . The bridge spans the Forth between the villages of South Queensferry and North Queensferry and has a total length of 8,094 feet (2,467 m). When it opened it had the longest single cantilever bridge span in the world, until 1919 when the Quebec Bridge in Canada was completed . It continues to be the world's second - longest single cantilever span, with a span of 1,709 feet (521 m). </P> <P> The bridge and its associated railway infrastructure are owned by Network Rail . </P>

When was the firth of forth bridge built
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