Gateway Bridge, Brisbane
The bridge provides three lanes of traffic in each direction, and is an integral part of the Gateway Motorway which skirts the eastern side of Brisbane city.
Link: http://archive.mainroads.qld.gov.au/qldmotorways/gwinfo.html

Gateway Bridge, Brisbane (larger)
The Gateway Bridge is the first crossing of the Brisbane River. It was opened on 11th January, 1986.