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Since its completion in 1932 , Sydney Harbour Bridge has become an iconic feature within Sydney and is a vital transport link , with over 200,000 cars crossing the bridge each day . At 134 metres , it is the tallest steel arch bridge in the world , carrying the heaviest weight for a bridge globally , with over six million hand driven rivets .

The bridge was designed by Dr J . J . C Bradfield , who is renowned as the sole individual responsible for encouraging his vision to come into fruition , along with support from British consulting engineer Sir Ralph Freeman , based at steel manufacturer Dorman Long .

The bridge incorporates eight vehicle lanes , toll roads , a cycleway , walkway and two train lines , with a total length of 1149 metres . Over 90,000 cubic metres of concrete is within the construction , alongside 50,000 tonnes of steel . The weight of the arches is 39,000 tonnes , with a total span of 1,654ft . To support the build , the use of concrete pylons has also been implemented , alongside several abutments .

26 November 2016