- Bolte Bridge
caption=View of the bridge from the bank of the Yarra River
carries=6 lanes (3 inbound, 3 outbound)
below=Approx 25 metres
16 August 1999
toll=AU$1.97 (One Way)
map_cue= Connects the Melbourne CBD with north-western suburbs and the
long=The Bolte Bridge is a large twin Cantilever
bridgein Melbourne, Victoria, Australia. It spans the Yarra Riverand Victoria Harbour in the Docklands precinct to the west of the Melbourne CBD. It forms part of the CityLinksystem of tollroads that connects the Tullamarine Freewayfrom the northern suburbs with the West Gate Freewayand the Domain and Burnley tunnels to the Monash Freewayand the south eastern suburbs.
The bridge was designed by architects
Denton Corker Marshalland was built for head contractor Transurbanby Baulderstone Hornibrook, construction taking three years from 1996to 1999and costing $75 million. It was named for former Premier of Victoria, Sir Henry Bolte.
It is one of the largest balanced cantilever cast in situ box girder bridges in Australia. The superstructure is built as two independent bridges of variable depth, prestressed concrete box girders, separated by a 1.15 m clear gap between the structures.
The bridge features two 90 metre (295.2 ft) [http://www.dentoncorkermarshall.com/projects.aspx?p=0&projectID=956&catID=13&f1=location&f2=australasia&pg=1 Denton Corker Marshall: Bolte Bridge] ] high silver sticks, situated on either side of the roadway at the midpoint of the bridge's span. These two towers are an aesthetic addition by the architects, and are not joined to the main body of the bridge. These towers are hollow, and feature access ladders to a small roof top hatch. Until locked and surrounded by water, these towers were a popular target for urban explorers.It has four spans with two main spans of 173 metres (567.6 ft) and side spans of 72 metres (236.2 ft), giving an overall bridge length of 490 metres (1,607.6 ft). The bridge supports six lanes of
automobiletraffic. Access is prohibited to cyclists and pedestrians.
Other bridges in Australia of similar construction are the
Gateway Bridge, Brisbaneand Mooney Mooney Bridgenear Gosford, north of Sydney.
* [http://www.cmit.csiro.au/innovation/1999-10/bridging.htm Bolte Bridge and innovative design]
* [http://www.dentoncorkermarshall.com/projects.aspx?p=0&projectID=956&catID=13&f1=location&f2=australasia&pg=1 Denton Corker Marshall Profile]
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