- Denison Bridge
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Denison Bridge Carries Motor vehicles, Pedestrians, Crosses Macquarie River Locale Bathurst, New South Wales Design Truss bridge Material Steel Total length 142.7 metres (468 ft) Width 6.1 metres (20 ft) Longest span 34.5 metres (113 ft) Number of spans 9 (three at 6.7m, 34m, 34.5m, 34m, three at 6.7m) Construction end 1870 Preceded by Bridge (1856-1867) Heritage status Registered[1] Coordinates 33°25′02″S 149°35′31″E / 33.4172°S 149.5920°ECoordinates: 33°25′02″S 149°35′31″E / 33.4172°S 149.5920°E The Denison Bridge is a heritage-listed road bridge over the Macquarie River in Bathurst, New South Wales, Australia. It is the fourth oldest metal truss bridge existing in Australia.
The bridge, completed in 1870, replaced an earlier bridge that was built in 1856 and destroyed in 1867 floods[2]. The bridge structure, except for the deck, is original in excellent condition.
The Denison Bridge was registered on the Register of the National Estate in 1978.[1]
Contents
Historical details
Denison Bridge, Bathurst
Denison bridge was an advanced design for its period and a major engineering achievement, it was the maximum span possible with a wrought iron truss span structure.[3] Three colonial engineers are associated with the bridge; William Christopher Bennett (Commissioner and Engineer for Roads), Gustavus Alphonse Morrell (Assistant Engineer and designer) and Peter Nicol Russell (P N Russell & Co).[3] It is the second oldest metal truss bridge in New South Wales after the Prince Albert bridge at Gundagai NSW
Engineering details
The first Denison bridge was a three span laminated bow-string arch British type bridge. The new bridge was designed on the new American Pratt truss type construction style.[4]
See also
- Historic bridges of New South Wales
References
- ^ a b "Denison Bridge (entry AHD15953)". Australian Heritage Database. Department of Sustainability, Environment, Water, Population and Communities. http://www.environment.gov.au/cgi-bin/ahdb/search.pl?mode=place_detail;place_id=15953.
- ^ "Denison Bridge washed away". The Maitland Mercury & Hunter River General Advertiser. 29/6/1867. http://www.trove.nla.gov.au/ndp/del/article/18714393. Retrieved March 09, 2011.
- ^ a b NSW Heritage Branch. "about NSW - Denison Bridge". NSW Government. http://about.nsw.gov.au/collections/doc/denison-bridge/#app=d32&9d81-selectedIndex=0. Retrieved March 09, 2011.
- ^ "Denison Bridge, Bathurst". Website. 25/4/2007. http://www.engheritage-sydney.org.au/plaq/Denisonbrg.htm. Retrieved April 21, 2011.
External Links
Categories:- Bridges in New South Wales
- Bridges completed in 1870
- Bathurst, New South Wales
- Truss bridges
- Steel bridges
- Register of the National Estate
- Road bridges in Australia
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