Sydney Harbour Bridge (mini architecture series)

The bridge was designed and built by Dorman Long and Co Ltd,Middlesbrough, Teesside and was the cities tallest structure until. According to Guinness World Records, it is the worlds widest long-span bridge and its tallest steel arch bridge,measuring 134 meters (429. 6 ft) from top to water level. its also the fourth longest spanning arch bridge in the world.