Pyrmont Bridge in 2014.
|Carries||Pedestrian and bicycle traffic|
|Locale||Darling Harbour, Sydney, New South Wales, Australia|
|Owner||Sydney Harbour Foreshore Authority|
|Maintained by||Sydney Harbour Foreshore Authority|
|Preceded by||Pyrmont Bridge (1858–1902)|
|Followed by||Western Distributor (1981–present)|
Steel central spans
|Total length||369 metres (1,211 ft)|
|No. of spans||14|
|Clearance above||6.5 metres (21 ft)|
|Engineering design by||Percy Allan|
|Construction start||6 December 1899|
|Opened||28 June 1902|
|Daily traffic||~14,000 pedestrians|
|Official name||Pyrmont Bridge|
|Type||State heritage (built)|
|Designated||28 June 2002|
|Category||Transport - Land|
The Pyrmont Bridge, a heritage-listed swing bridge across Cockle Bay, is located in Darling Harbour, part of Port Jackson, west of the central business district in the City of Sydney local government area of New South Wales, Australia. Opened in 1902, the bridge initially carried motor vehicle traffic via the Pyrmont Bridge Road between the central business district and Pyrmont. Since 1981 the bridge has carried pedestrian and bicycle traffic only, as motor vehicles were diverted to adjacent freeway overpasses. The bridge was added to the New South Wales State Heritage Register on 28 June 2002.
The first Pyrmont Bridge was opened on 17 March 1858, and was a wooden pile bridge with an iron centre 'swing panel' to allow ships to pass. In the first two weeks 20,000 pedestrians paid the one penny toll. It was also crossed by "932 carts and drays, 43 gigs, 17 carriages and 125 horse and rider." When the government bought the bridge for £52,500 from the Pyrmont Bridge Company in 1884, they abolished the toll. The wooden Pyrmont Bridge vanished with the construction in 1902 of a new steel bridge which took 33 months to build and was completed in time to accommodate Sydney's first cars.
In 1891 competitive designs were invited for a new bridge on the south side of the old structure, but due to the economic depression no further action was taken until 1894, when, after prolonged inquiry and the consideration of about twenty six schemes, the Parliamentary Standing Committee on Public Works decided in favour of a design for a steel bridge with a swing span of 16 metres (54 ft), affording two 21 metres (70 ft) clear fairways, submitted by the Department of Public Works (PWD).
The foundations stone of the new bridge was laid by the Hon. E.W. O'Sullivan, State Minister for Works, on 6 September, 1899; and the bridge opened for traffic on 28 June 1902, by his Excellency Vice-Admiral Sir Harry Holdsworth Rawson, K.C.B., Governor of New South Wales. Powered by electricity from the Ultimo Powerhouse, the swing bridge could be opened and closed in 45 seconds. Percy Allan, PWD Engineer-in-Chief of bridge design, designed the Pyrmont Bridge and over 550 bridges.
In 1981 the bridge was permanently closed to traffic and the Government ordered the bridge to be demolished, but later revoked this decision. In 1984 the Darling Harbour Authority was formed with the task of redeveloping Darling Harbour. The Pyrmont Bridge was restored, with the swing span in full working order, and incorporated as a pedestrian bridge in the redevelopment of Darling Harbour. A section of the Monorail was built across the bridge at this time. The Pyrmont Bridge was re-opened to pedestrian traffic in 1988.
Following the end of the monorail's 25 years of operation in July 2013, the Sydney Harbour Foreshore Authority began discussing plans to give the bridge a facelift to coincide with Darling Harbour's $2.5b redevelopment. "It is anticipated that the monorail infrastructure will be removed from the bridge by the end of 2013" said SHFA's spokesman. The SHFA will commission a design brief to look at options for future enhancements including furniture, lighting and pop-up cafes. "Pyrmont Bridge will remain open and accessible to the public...Any future use proposals must not impact on the bridge's surviving historic fabric, or its technological significance, or prevent the continued use as an open swing span bridge".
The NSW Government will invest in a $23m renewal of heritage-listed Pyrmont Bridge. The project is part of a $73m commitment over the next four years to protect heritage assets along Sydney Harbour foreshore. The projets include $15m to replace ferry wharves in Cockle Bay and $20m to refurbish public spaces at Campbell's Cove at the Rocks and Darling Harbour. Minister for Finance, Services and Property, Dominic Perrottet made the announcement. He said that foreshore renewal was part of Property NSW's broader responsibility for preserving heritage across the state. "Property NSW is working with the OEH and the Greater Sydney Commission on a proposal to designate The Rocks a heritage precinct".
The foundation stone for the new bridge was laid on 6 December 1899 by E. W. O'Sullivan and the bridge was opened for traffic on 28 June 1902 by the Governor of New South Wales, Harry Rawson. The bridge was designed under the engineering supervision of Percy Allan. The bridge had one of the largest swing spans in the world at the time of its construction and it was one of the first to be powered by electricity. Allan also designed the similar Glebe Island Swing Bridge, completed in 1903.
The Pyrmont Bridge is 369 metres (1,211 ft) long and cost £112,500 to build. The bridge is made up of 14 spans with Australian ironbark timber used on 12 spans, while the two central spans, which swing, are constructed from steel. The swingspan weighs 1,000 tonnes (1,100 short tons) and is supported on a base made from concrete and Hawkesbury Sandstone. The base is filled with mass concrete and weighs 6,800 tonnes (7,500 short tons). The swingspan is 13 metres (43 ft) in diameter and 19 metres (62 ft) deep. The water is 6.5 metres (21 ft) deep and the base extends a further 10 metres (33 ft) below the sea floor.
Pyrmont Bridge takes approximately 60 seconds to open completely to 83 degrees. It has to be opened for vessels more than 7 metres (23 ft) high. Vessels/barges up to 21.5 metres (71 ft) wide can pass through the channel once the Bridge has been opened. Pyrmont Bridge is driven by the original two 50 horsepower (37 kW) 600 V DC General Electric type 57 electric motors. Manual drum-type General Electric tramway controllers are used to drive the motors for the swingspan and gates. Power to operate the bridge was originally drawn from the Ultimo Power House (now the Powerhouse Museum). As a young engineer, J.J.C. Bradfield helped design the sandstone abutment walls at each end of Pyrmont Bridge.
In 1981 the Wran government ordered the bridge to be demolished, but later revoked this decision. The bridge was closed to vehicular traffic on 7 August 1981, the traffic having been diverted over the Western Distributor freeway structures built further south of Cockle Bay, and it was then re-opened as a pedestrian bridge as part of the re-development of Darling Harbour as a recreational pedestrian precinct. The swing bridge remains in operation, and opens to a schedule managed by the Sydney Harbour Foreshore Authority.
Between 1988 and 2013, the bridge carried the elevated Sydney Monorail, which travelled between Darling Harbour and the Sydney central business district. The monorail track rested on a pivot that allowed the track to remain stationary while the bridge swung underneath. The pivot allowed the monorail to continue to cross the bridge even when the bridge was opened. Upon the closure of the Monorail in June 2013 the hydraulic lifting rams and support infrastructure were removed, and the control cab was to be relocated to its original position in the middle of the bridge.
As at 24 July 2001, Pyrmont Bridge is an item of State heritage significance for its aesthetic, historical and scientific cultural values. An essential link between the city and the inner western suburbs, Pyrmont Bridge is closely associated with the economic and social development of Sydney at the end of the 19th century.
Pyrmont Bridge is closely associated with Percy Allen, PWD Engineer-in-Chief of bridge design, who was responsible for the introduction of American timber bridge practice to NSW and designed over 500 bridges in NSW. The quality of the carved stonework of the piers and portals added to the aesthetic appeal of the bridge.
At the time of construction the swing span of Pyrmont Bridge was one of the largest in the world. It was one of the first swing bridges to be powered by electricity. The timber approach spans demonstrate a rare example of deck type Allan trusses; there being no other known example. The bridge's Australian design and technological innovation was a source of pride for the people of NSW.
Despite the demolition of the eastern approach to the bridge and the construction of the mono-rail track, Pyrmont Bridge retains its essential heritage values.
The place is important in demonstrating the course, or pattern, of cultural or natural history in New South Wales.
Pyrmont Bridge, an essential link between the city and the inner western suburbs, is closely associated with the economic and social development of Sydney at the end of the 19th century. Pyrmont Bridge is closely associated with Percy Allan, PWD Engineer-in-Chief of bridge design, with the assistance of JJ Bradfield and Gordon Edgell. Percy Allen was responsible for the introduction of American timber bridge practice to NSW, and designed over 500 bridges in NSW.
The place has a strong or special association with a person, or group of persons, of importance of cultural or natural history of New South Wales's history.
Pyrmont Bridge is closely associated with Percy Allan, PWD Engineer-in-Chief of bridge design, with the assistance of JJ Bradfield and Gordon Edgell. Percy Allen was responsible for the introduction of American timber bridge practice to NSW, and designed over 500 bridges in NSW.
The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.
Pyrmont Bridge demonstrates a high level of aesthetic value in the stonework and carved stone detailing of the bridge approaches, pivot pier and rest piers, as well as displaying the high aesthetic values of the timber and steel bridge structures . The watchhouse also demonstrates fine architectural detailing.
The place has a strong or special association with a particular community or cultural group in New South Wales for social, cultural or spiritual reasons.
When completed the Pyrmont Bridge was regarded as a landmark in the development of Australian engineering skills and technological innovation, being favourably compared with the technical achievements of the recently completed Tower Bridge in London. Its Australian design, technological innovation and construction made it a source of pride for the people of NSW.
The place has potential to yield information that will contribute to an understanding of the cultural or natural history of New South Wales.
When completed the Pyrmont Bridge was regarded as a landmark in the development of Australian engineering skills and technological innovation, being favourably compared with the technical achievements of the recently completed Tower Bridge in London. The bridge's innovative design included; the size of the swing span and speed of operation; development of the timber bridge truss; caisson construction; design of the swing span bearings; and use of electric power. The design of the approach spans represent the highest level of development of the timber truss.
The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.
Pyrmont Bridge (with monorail)
Monorail travelling over Pyrmont Bridge while the bridge is open.
The bridge as viewed from the Sydney Tower.
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- Engineering Heritage Committee, IEA, 1991
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- Attraction Homepage (2007). "Pyrmont Bridge" (PDF).
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- Gorman, James (2013). 'Facelift for a Favourite landmark'.
- Sydney Cove Authority (SCA) (1998). SCA Register 1979-1998.
This Wikipedia article contains material from Pyrmont Bridge, entry number 1618 in the New South Wales State Heritage Register published by the State of New South Wales and Office of Environment and Heritage 2018 under CC-BY 4.0 licence, accessed on 14 October 2018.
- "Pyrmont Electric Swing Bridge". The Engineer. London. 123: 75–8, 84, 103–6, 110, 124–6, 132, 150–3. 1917.
|Wikimedia Commons has media related to Pyrmont Bridge, Sydney.|
- Kass, Terry (February 2006). "RTA Thematic History: A component of the RTA Heritage and Conservation Register" (PDF). NSW Roads & Maritime Services (PDF) (2nd ed.). Government of New South Wales. Retrieved 12 January 2015.
- Pyrmont Bridge at Structurae
- Engineers Australia
- Ludlow, Christa (2010). "Pyrmont Bridge 1902". Dictionary of Sydney. Retrieved 8 October 2015. [CC-By-SA]