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Batman Bridge
Carries (B73) Batman Highway
Crosses Tamar River
Locale Sidmouth, Tasmania
Design Cable-stayed
Total length 442 metres (1,450 ft)
Width 10.3 metres (34 ft)
Height 91 metres (300 ft)
Longest span 206 metres (680 ft)
Clearance below 91 metres (300 ft)
AADT 2,013[1]
Opened May 18, 1968
Coordinates 41°13′01″S 146°54′51″E / 41.21694°S 146.91417°E / -41.21694; 146.91417

The Batman Bridge is a modern bridge crossing the Tamar River in northern Tasmania. It was built from 1966 to 1968 and was the first Cable-stayed bridge in Australia. The bridge is on the Batman Highway connecting the West Tamar Highway to the East Tamar Highway.

The main span is 206 metres (680 ft) long, suspended from a 91 metres (300 ft) high sloped A-frame tower. The deck is 10.3 metres (34 ft) wide. The tower is constructed on the west bank of the Tamar river, on a solid dolerite rock base which carries 78% of the weight of the main span.[2] The east bank is soft clay not capable of supporting a bridge. A causeway carries the highway across this softer base, supported by four piers built on piles driven up to 18 metres (59 ft) into the clay. The bridge deck is constructed of steel which is lighter than concrete, but required much more welding on site during construction.

The bridge overlooks the Deviot Sailing Club and is named after John Batman, Launceston businessman and co-founder of Melbourne.

References

  1. ^ "BATMAN HIGHWAY". ozroads.com.au. 2003. http://www.ozroads.com.au/TAS/routenumbering/current/B73/b73.htm. Retrieved 2008-03-24.  
  2. ^ Douglas Ewington (2008-10-23). "A-frame". QVMAG. http://www.qvmag.tas.gov.au/downloads/geology/batmanbridge.html. Retrieved 24 November2009.  

External links

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