The distictive feature of the Prai River Bridge are the twin 40-meter tall concrete pylons for the cables. On each pylon are 14 pairs of stay cables.
The Prai River Bridge is a newly constructed bridge carrying six lanes of traffic from the Butterworth Outer Ring Road across Sungai Prai. It is 1.85 km long. Designed by Dar Al Handasah Consultants, it won the Supreme Award from IStructE Award for the Transportation Structures category in 2006. The bridge has a trumpet interchange to the Prai port.
Construction of the Sungai Prai Bridge faced a problem when improperly poured concrete slab atop a pile cap at one of the two primary stay-support piers threatened to weaken the entire structure, and attempts to remove the granite-hard blocks with conventional demolition equipment was unsuccessful. In the end, a decision was made to remove the concrete with explosives.
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