The Bolte Bridge is a large twin

cantilever A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cant ...

road bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually someth ...

Melbourne Melbourne ( ; Boonwurrung/ Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a metro ...

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

. The Bolte Bridge carries a total of eight lanes of traffic – four lanes northbound and four lanes southbound. While officially only 490 metres in length, the actual structure appears much longer as it forms part of a 5 kilometre elevated roadway between Flemington Road and the West Gate Freeway. It spans the

Yarra River The Yarra River or historically, the Yarra Yarra River, ( Kulin languages: ''Berrern'', ''Birr-arrung'', ''Bay-ray-rung'', ''Birarang'', ''Birrarung'', and ''Wongete'') is a perennial river in south-central Victoria, Australia. The lower s ...

and

Victoria Harbour Victoria Harbour is a natural landform harbor, harbour in Hong Kong separating Hong Kong Island in the south from the Kowloon Peninsula to the north. The harbour's deep, sheltered waters and strategic location on South China Sea were instrume ...

in the Docklands precinct to the west of the

Melbourne CBD The Melbourne central business district (also known colloquially as simply "The City" or "The CBD") is the city centre and main urban area of the city of Melbourne, Victoria, Australia, centred on the Hoddle Grid, the oldest part of the city l ...

. It forms part of the

CityLink CityLink is a network of tollways in Melbourne, Australia, linking the Tullamarine, West Gate and Monash Freeways and incorporating Bolte Bridge, Burnley Tunnel and other works. In 1996, Transurban was awarded the contract to augment two ex ...

system of toll roads that connects the

Tullamarine Freeway The Tullamarine Freeway (commonly referred to as "The Tulla"), is a major urban freeway in Melbourne, linking Melbourne Airport to the Melbourne City Centre. It carries up to 210,000 vehicles per day and is one of Australia's busiest freeways. ...

from the northern suburbs with the

West Gate Freeway The West Gate Freeway is a major freeway in Melbourne, the busiest urban freeway and the busiest road in Australia, carrying upwards of 200,000 vehicles per day. It links Geelong (via the Princes Freeway) and Melbourne's western suburbs to ...

and the

Domain Domain may refer to: Mathematics *Domain of a function, the set of input values for which the (total) function is defined ** Domain of definition of a partial function ** Natural domain of a partial function **Domain of holomorphy of a function * ...

and

Burnley Burnley () is a town and the administrative centre of the wider Borough of Burnley in Lancashire, England, with a 2001 population of 73,021. It is north of Manchester and east of Preston, at the confluence of the River Calder and River Br ...

tunnels to the

Monash Freeway The Monash Freeway is a major urban freeway in Victoria, Australia, linking Melbourne's CBD to its south-eastern suburbs and beyond to the Gippsland region. It carries up to 180,000 vehicles per day and is one of Australia's busiest freewa ...

and the south eastern suburbs. It is named after Victoria’s 38th and longest-serving

Premier Premier is a title for the head of government in central governments, state governments and local governments of some countries. A second in command to a premier is designated as a deputy premier. A premier will normally be a head of governm ...

, Sir Henry Bolte.

Construction

The bridge was designed by architects

Denton Corker Marshall Denton Corker Marshall is an international architecture practice based in Melbourne, Australia. History Denton Corker Marshall was established in Melbourne, Victoria, in 1972. It was founded by architects John Denton, Bill Corker, and Barrie ...

and was built for head contractor Transurban by Baulderstone Hornibrook, construction taking three years from 1996 to 1999 and costing $75 million. It was named by

Jeff Kennett Jeffrey Gibb Kennett (born 2 March 1948) is a former Australian politician who was the 43rd Premier of Victoria between 1992 and 1999, and currently a media commentator. He was previously the president of the Hawthorn Football Club, servi ...

, for former

of Victoria, Sir Henry Bolte because of its linking the West Gate, Monash and Tullamarine Freeways—projects commissioned or completed by the Bolte Government. It is the largest balanced cantilever cast ''in situ'' box girder bridge 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 140 metre high silver (grey concrete) towers, 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 Urban exploration (often shortened as UE, urbex and sometimes known as roof and tunnel hacking) is the exploration of manmade structures, usually abandoned ruins or hidden components of the manmade environment. Photography and historical inter ...

. It has two main spans of 173 metres, two side spans of 72 metres with approach viaducts 430m to the south 4080 metres to the north. The bridge supports eight lanes of

automobile A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded ...

traffic. Access is prohibited to cyclists and pedestrians. Other bridges in Australia of similar construction are the Gateway Bridge, Brisbane and

Mooney Mooney Bridge The Mooney Mooney Bridge, officially the Mooney Mooney Creek Bridge, and popularly known as The NSW Big Dipper Bridge, is a twin cantilever bridge that carries the Pacific Motorway (M1) across Mooney Mooney Creek, located near in the Brisban ...

near Gosford, north of Sydney.

Gallery

Image:BolteBridge.jpg, Bolte Bridge, looking back to the

Image:Boltebridge by night.jpg, The Bolte Bridge at night, with

Etihad Stadium The City of Manchester Stadium in Manchester, England, also known as the Etihad Stadium for sponsorship reasons, is the home of Premier League club Manchester City F.C., with a domestic football capacity of 53,400, making it the 6th-largest ...

, and

in the background Image:Bolte_Bridge_at_Night.jpg, Bolte Bridge taken from the Docklands Image:Bolte_Bridge_at_night.JPG, Bolte Bridge from the base of the bridge Image:Bolte-Bridge-At-Dusk.jpg, Bolte Bridge at dusk Boltebridge.jpg, View of the bridge from the bank of the Yarra River File:Docklands View with Bolte Bridge & ANZ Headquarter Building.jpg, Bolte Bridge seen from Docklands,

References

External links

*
Bolte Bridge and innovative design

Denton Corker Marshall Profile
{{Melbourne landmarks Bridges in Melbourne Cantilever bridges Bridges completed in 1999 Toll roads in Australia Toll bridges in Australia Bridges over the Yarra River 1999 establishments in Australia Road bridges in Victoria (Australia) Landmarks in Melbourne Buildings and structures in the City of Melbourne (LGA) Transport in the City of Melbourne (LGA)