Mount Henry Bridge
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Mount Henry Bridge | |
---|---|
Post-tensioned concrete | |
Total length | 660 m (2,170 ft)[1] |
Width | 40 m (130 ft)[2] |
Longest span | 75 m (246 ft)[1] |
No. of spans | 9 |
Piers in water | 14 (7 per bridge) |
History | |
Construction start | 31 May 1979 |
Opened | 9 May 1982 |
Rebuilt | 22 January 2006 |
Location | |
The Mount Henry Bridge carries the
History
The bridge was constructed as part of the extension of the Kwinana Freeway carried out in the late 1970s and early 1980s.[1] Construction began 31 May 1979, and was completed by 24 April 1982,[2] with the bridge officially opened 9 May 1982.[1] The construction contractor was Clough, and the project manager for Main Roads WA was Geoff Smith.
Between 2004 and 2006, the Mount Henry Bridge was widened and strengthened to accommodate the tracks of the Perth
Structural details
The original bridge is made of
Widening and strengthening
To accommodate the new Southern Suburbs Railway (now the
Because of the aesthetic requirements, load limitations and limited site space at the approaches, the new bridge overlaps the original in cross section. The upper east side cantilever sits above the upper west side cantilever of the original structure, giving a total effective deck width of 40 metres (130 ft). The foundations of the new bridge are independent of the original, with each pier comprising two columns tapering from bottom to top.[2]
The new bridge was constructed by incremental launching. Contractors were Leighton Constructions. The design team comprised Wyche Consultants, GHD and Coffey Geosciences.[2]
References
- ^ a b c d e "CITY OF SOUTH PERTH LOCAL HERITAGE INVENTORY, Place No SPt 2 (Mount Henry Bridge)" (PDF). City of South Perth. November 2015. Retrieved 8 August 2018.
- ^ a b c d e f g h i j Quinlan, Tony; Young, Don (July 2012). "Swan & Canning Rivers Bridges: Australian Engineering Week Tour 2012" (PDF). Engineers Australia Western Australia Division. pp. 13–15, 23–24. Archived (PDF) from the original on 16 March 2019. Retrieved 4 December 2023.
- ^ MacTiernan, Alannah (22 January 2006). "New Mount Henry Bridge opens to traffic". Media Statements. Government of Western Australia. Archived from the original on 4 December 2023. Retrieved 5 December 2023.
- ^ "Mount Henry Bridge". Clough. Clough Group. Retrieved 4 December 2023.