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  • Gateway Bridge
    views: 33 / posted byadmin 11 мая 2009

    The Gateway Bridge is a road bridge at the centre of the Gateway Motorway (M1), which skirts the eastern suburbs of Brisbane, Queensland, Australia. It is the most eastern crossing of the Brisbane River, closest to Moreton Bay, crossing at the Quarries Reach, between Eagle Farm and Murarrie.

    Gateway Bridge

    Official name                   Gateway Bridge

    Carries                             Motor vehicles

    Crosses                            Brisbane River

    Locale                              Brisbane, Australia

    Design                             Concrete cantilever box girder

    Longest span                   260 metres (850 ft)

    Total length                    1,627 metres (5,340 ft)

    Width                              22 metres (72 ft)

    Height                             78.75 metres (258.4 ft)

    Opening date                  11 January 1986



    Construction on the Gateway Bridge commenced on 5 June 1980. It was officially commissioned on 11 January 1986. Uniquely, the construction of the bridge started before the design was completed, to fast track its construction.


    On completion of construction, the main span of the Gateway Bridge was the world record (260 m/853 ft) for a prestressed concrete free cantilever bridge. It held this record for over 15 years. The box girder is still the largest prestressed concrete, single box in the world, measuring 15 m (49 ft) deep at the pier, with a box width of 12 m (39 ft) and an overall deck width of the 6 lanes of 22 m (72 ft). The bridge owes its distinctive shape to air traffic requirements restricting its height to under 80 metres (260 ft) above sea level (all features of the bridge including light poles) coupled with shipping needs requiring a navigational clearance of 55 metres (180 ft).

    The bridge has six lanes (three in each direction). The bridge was financed by funds borrowed by the Queensland Government, and as a result, users of the bridge pay a toll on the southern side of the Brisbane River. The Bridge is operated and maintained by Queensland Motorways, which is a Queensland Government-owned enterprise.

    Opened:               11 January 1986

    Total length:        1,627 metres (5,337 ft) in length

    This is divided into a southern approach of 376 metres (1,234 ft), a northern approach of 731 metres (2,398 ft) and the three central spans of 520 metres (1,706 ft)

    Main span:          260 metres (853 ft) long X 64.5 metres (212 ft) high (equivalent to a 20-storey building) 150,000 tonnes (165,346 t) of concrete

    Operated by:       Queensland Motorways



    In 2005, a major upgrade of the Gateway Motorway was announced. The $1.88 billion Gateway Upgrade Project, includes the duplication of the Gateway Bridge and upgrades to 20 km (12 mi) of the Gateway Motorway from Mt Gravatt-Capalaba Road in the south to Nudgee Road in the north.

    The upgrades to the Gateway Motorway include 12 km (7 mi) of widening to at least six lanes, south of the Brisbane River, and the construction of a new 7 km (4 mi) Gateway Motorway deviation, north of the Brisbane River. The new motorway deviation is an entirely new six-lane motorway that will travel from the Gateway Bridges to just south of Nudgee Road through Brisbane Airport Corporation land, east of the existing motorway and provide a second access to the Brisbane Airport. The Gateway Upgrade Project is being progressively delivered with each section of the project being opened to traffic as soon as it is completed. Motorists are already experiencing the benefits of the project with the first section, the Wynnum Road Upgrade, being delivered on time and on budget and opened to traffic on July 13, 2007. By the end of 2007 there will be two additional southbound lanes between the Port of Brisbane Motorway and Wynnum Road. By mid-2009 four of six lanes of the new Gateway Motorway deviation will be opened and by the end of 2009 all works south of the river will be completed. The duplicate Gateway Bridge will be opened in mid-2010 along with the remaining lanes of the Gateway Motorway deviation. Finally, the existing bridge will be refurbished with the entire project scheduled for completion in mid-2011.


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