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The bridge has a length of 1,020 m (3,348 ft), with a main span of 243.8 m, rising 43.27 m above high water allowing ships access to the deepwater wharf. It has undergone transformation with two-lane box girder clip-on sections were added to each side in 1969, ten years after it was built. It doubled the number of lanes to eight. The sections were manufactured by Ishikawajima-Harima Heavy Industries of Japan. People fondly called the new lanes as 'Nippon clip-ons'.
The Moveable Lane Barrier - the first ever permanent lane barrier system on a major bridge anywhere in the world - was introduced to manage traffic flows in a 'tidal' morning and evening peak system.
In the morning, the traffic is busy coming into the city. After work, the direction is reversed. In 1990, this giant machine was installed to move these heavy block dividers.There were "elephant houses" or giant sheds at the end of the bridge. This daily changing of lanes have intriqued tourist.
I am very passionate about this bridge because my second daughter bungied off it twice, and I walked under it to the mid point to watch her jump. It was quite frightening as the wind swayed the bridge and was howling loudly.
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