The Como railway bridge carries the

Illawarra railway line The South Coast Railway (also known as the Illawarra Railway) is a commuter and goods railway line from Sydney to Wollongong and Bomaderry in New South Wales, Australia. Beginning at the Illawarra Junction, the line services the Illawarra an ...

across the

Georges River The Georges River, also known as Tucoerah River, is an intermediate tide-dominated drowned valley estuary, located to the south and west of Sydney, New South Wales, Australia. The river travels for approximately in a north and then easterly ...

between the

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

suburbs of Oatley and

Como Como (, ; lmo, Còmm, label=Comasco dialect, Comasco , or ; lat, Novum Comum; rm, Com; french: Côme) is a city and ''comune'' in Lombardy, Italy. It is the administrative capital of the Province of Como. Its proximity to Lake Como and ...

First bridge

The original Como Railway Bridge opened on 25 December 1885 as part of the extension of the

from

Hurstville Hurstville is a suburb in Southern Sydney, New South Wales, Australia. It is 16 kilometres south of the Sydney CBD and is part of the St George area. Hurstville is the administrative centre of the local government area of the Georges Riv ...

Sutherland Sutherland ( gd, Cataibh) is a historic county, registration county and lieutenancy area in the Highlands of Scotland. Its county town is Dornoch. Sutherland borders Caithness and Moray Firth to the east, Ross-shire and Cromartyshire (later ...

. It was a single track

lattice truss bridge A lattice bridge is a form of truss bridge that uses many small, closely spaced diagonal elements forming a lattice. The lattice Truss Bridge was patented in 1820 by architect Ithiel Town. Originally a design to allow a substantial bridge to be ma ...

John Whitton John Whitton (1820, near Wakefield, Yorkshire, England – 20 February 1898), an Anglo–Australian railway engineer, was the Engineer-in-Charge for the New South Wales Government Railways, serving between 1856 and 1890, considered the Father of ...

, the Chief Engineer of the

New South Wales Government Railways The New South Wales Government Railways (NSWGR) was the agency of the Government of New South Wales that administered rail transport in New South Wales, Australia, between 1855 and 1932. Management The agency was managed by a range of differe ...

. In 1890 the northern part of the Illawarra Line was duplicated, and the southern part towards Sutherland in 1891. This involved merging the two lines using points to a single line. In 1894 the tracks across the bridge were altered into a single

gauntlet track Gauntlet track or interlaced track (also gantlet track) is an arrangement in which railway tracks run parallel on a single track bed and are interlaced (i.e., overlapped) in such a way that only one pair of rails can be used at any time. Since th ...

on the bridge, which enabled trains to cross in either direction without points.Como Railway Bridge
,

Sydney Water Sydney Water, formally, Sydney Water Corporation, is a New South Wales Government owned statutory corporation that provides potable drinking water, wastewater and some stormwater services to Greater Metropolitan Sydney, the Illawarra and the B ...

. Between 1935 and 1942, the Metropolitan Water Sewerage & Drainage Board built two diameter pipelines to pump water from the recently completed

Woronora Dam The Woronora Dam is a heritage-listed concrete gravity dam with an uncontrolled serpentine spillway across the Woronora River, located south of Greater Metropolitan Sydney, in the suburb of Woronora Dam, Sutherland Shire, New South Wales, ...

to the reservoir at

Penshurst Penshurst is a historic village and civil parish located in a valley upon the northern slopes of the Kentish Weald, at the confluence of the River Medway and the River Eden, within the Sevenoaks district of Kent, England. The village is situa ...

. The pipeline was supported on new steel outriggers cantilevered from the main girders. After the construction of the second bridge the ownership of the old bridge was transferred from the Railways Dept to

. This bridge was listed on the

New South Wales State Heritage Register The New South Wales State Heritage Register, also known as NSW State Heritage Register, is a heritage list of places in the state of New South Wales, Australia, that are protected by New South Wales legislation, generally covered by the Heritag ...

on 15 November 2002.

Second bridge

To relieve the bottleneck, in 1969, the New South Wales Government commissioned John Holland & Co to build a new double track reinforced concrete bridge immediately to the west. It opened on 27 November 1972. The original bridge reopened as a cycleway on 15 December 1985. This bridge has been the subject of a State Rail Authority Heritage study, however is not listed on the NSW State Heritage Register. On 28 January 1985, the rear car of a commuter train derailed on that bridge.

References

External links

* {{Australian railway bridges, state=autocollapse Bridges completed in 1885 Bridges in Sydney Lattice truss bridges Railway bridges in New South Wales Truss bridges in Australia

Georges River Illawarra railway line

First bridge

Second bridge

See also

References

External links