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Discussion Starter · #1 · (Edited)
Australia has some great bridges.
please post pix of your favs.

largest bridge-Sydney harbour Bridge (1923-32)
503m arch/134.5m high
pylons-89m
width-49m.
tallest bridge-Bolte Bridge/Melbourne-140m concrete pylons
largest concrete arch-Gladesville Bridge- 305m
oldest-Ross Bridge/Tas-1823
highest bridge (deck)-76m Pheasants Nest (south of Picton.NSW)

other tall/high bridge
Mooney Mooney bridge,Central Coast-75m high
Westgate/melb-70m?
Anzac Bridge/Sydney-120m
Storey bridge/Brisbane-80m (steel arch)
Launceston/TAS-steel arch pre fab from England
Batman Bridge/TAs-concrete A frame-96m tall
RIP Bridge,Woy Woy,NSW-concrete arch
Pyrmont Bridge-worlds oldest electric bridge

our greatest bridge
some pix
SHB



spectacular day or night







BATMAN BRIDGE 96M TALL 1968
first cable-stayed truss bridge in Australia



Mooney Mooney Creek bridge is the 2nd highest road bridge in the southern hemisphere spanning 480mtrs. in three sections ( 130m, 220m, 130m ) and stands 75mtrs. from the high water mark. opened in December 1988.



fuckon dangerous when foggy. so many accidents


The 1km steel railway bridge of Hawkesbury near Brooklyn. I travel over it everyday!! spectacular
the old pylons rise near by

 

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Discussion Starter · #2 · (Edited)
The RIP Bridge (220m arch) 5mins from where i live at Umina. It was given its name due to the powerful rips underneath the bridge.
Built in the 70's it connected the peninsula to the coast.


Built in 1902, Prymont Bridge is still the worlds oldest electric bridge
370m long
its now walk bridge shared with monorail


120m twin towers of ANZAC Bridge

 

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speaking of tall bridges, anyone know whats the maximum height of the E.J Whitten above the valley floor? There is virtually no information on this bridge ANYWHERE


loooking at the pic, its not something I'd want to mount the curb on!
 

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Discussion Starter · #5 ·
keilor Bridge



The bridge was built in 1928 and was (and still is believed to be) the highest railway bridge in Victoria. It crosses the Maribyrnong River from Keilor East on the North side to Sunshine on the South side of the river.
Being 54.6 metres above the river , the bridge is higher than the Sydney Harbour Bridge (52 metres) and the Westgate Bridge (53 metres) and in fact is high enough to top the flagpole on the Flinders Street Clock Tower. It is .4 of a kilometre or a quarter of a mile long - it was known in railway circles as the Quartermile. The girders were sunk up to 20 metres below ground level to obtain firm foundations for the concrete pedestals, onto which the big steel towers were erected. The bridge is noteworthy for its unusual K frame bracing. In its construction, 1,600 tons of steel and 6,000 cubic metres of concrete were used. It was truly a gigantic project seventy odd years ago. Approximately 200 men were employed to build the bridge and one man lost his life during its construction.
Originally only goods trains used the line but it was used for troop trains during the Second World War. Since standardisation of the Victoria/N.S.W. line, all Sydney trains cross the bridge.
 

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Discussion Starter · #6 ·
Brisbanes Storey Bridge 1940
spoogman flickr
amazing pic
may5
 

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Discussion Starter · #7 ·
Westgate BridgeMelb
main span 336m/2,582.6 metres long
deck 58m
pylon 102m
 

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Discussion Starter · #8 ·
The oldest suspension bridge in Australia
the magnificent HAMPTON BRIDGE in kangaroo Valley



HAMPDEN BRIDGE WAGGA WAGGA

truss bridge over the Murrumbidgee River in Wagga Wagga, New South Wales which opened to traffic on 11 November 1895 and was closed in October 1995 when the Wiradjuri Bridge opened. The bridge is 100.5 metres (330 ft) long with each of the 3 truss spans 33.5 metres (110 ft]]) long. Hampden Bridge was the first large overhead-braced truss bridge designed by Percy Allan. The bridge was originally designed to be a steel designed bridge however the tenders were too expensive

 

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Discussion Starter · #9 ·
Kings Bridge,Launceston
built 1863-1903
 

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Discussion Starter · #10 ·
The Zig Zag Railway is a heritage railway at Lithgow in New South Wales, Australia on the site of the famous Great or Lithgow Zig Zag which operated between 1870 and 1910. As built, the line formed part of the main line railway westward from Sydney across the Blue Mountains and served to lower the line from its summit into the Lithgow valley on the western flank of the mountains.

 

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magnificent thread...:cheers:
 

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Discussion Starter · #14 ·
yes the anzac bridge isnt bad. -voice of pelican.
 

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Postcards of Bridges over the Yarra River, Melbourne, past and present



Princes Bridge above and below was completed in 1888.



Princes Bridge from The Snowden Gardens, now The Melbourne Concert Hall site.



Queens Bridge was completed in 1889.



This postcard also shows what I think is a box housing switches for the cable trams
In front of us on the south end corner of the bridge.



Kings Bridge completed in 1961 and Spencer Street Bridge completed in 1930.



Bolte Bridge, completed 2000.



The six-lane Bolte Bridge is one of the largest balanced cantilever cast-in-situ box girder bridges in Australia.
It is supported on five land-based piers, the central pier located on a man-made island in the middle of the Yarra river.
It has four spans – two main spans of 173 metres and side spans of 72 metres, giving an overall bridge length of 490 metres.
The elegant twin Gateway Towers offer no structural support, instead they provide Melbourne with a new visual focal point and landmark.
 

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Lennox Bridge - The mainlands oldest bridge

Mainland Australia's oldest bridge, the convict built Lennox Bridge (or The Horseshoe Bridge) at Lapstone on the foothills of The Blue Mountains which was completed in July 1833. I remember going to it's official restoration re-opening in the mid 80's on a school excursion. It was re-opened by Neville Wran. There's always a steady stream of water flowing underneath because much of the Lower Blue Mountains sewerage treatment gets discharged upstream! :)

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Lennox Bridge in the 1880's, an old B&W, and Lennox bridge more recently, from the north side and an old construction render :)

The story about Lennox Bridge from http://www.infobluemountains.net.au/history/lennox.htm

A Better Route

Mitchell's Pass was the third road to be built up the eastern escarpment of the Blue Mountains. Major Thomas Mitchell surveyed & recommended the construction of a road along this route, in preference to the governor's suggestion of stationing a permanent repair gang on the existing Lapstone Zig Zag Road (now Old Bathurst Road).

Mitchell believed in building things to last, & was determined to have a stone bridge, rather than the flimsy timber variety so far constructed in the colony. To Mitchell, well designed bridges were one sign of a civilised society. They were ".....the most indispensable of public works. Such works constitute the capital of a nation - no country is thought anything of that does not possess them".

Unfortunately, no suitably skilled & experienced people were thought to be in Australia at the time.

In a classic piece of good timing, one David Lennox arrived in Sydney, having decided to emigrate after the death of his wife. A master stone mason of twenty years experience, including several bridge projects in England, Lennox was discovered by Mitchell building a wall outside the Legislative Council Chambers in Sydney. Both men knew an opportunity when they saw it, & Lennox ".....left his stone wall & with his shirt sleeves still tucked up - trowel in hand - undertook to plan stone bridges for this colony".

Lennox's job required him to "furnish the designs, construct the centering, & direct the application of convict labour to stone cutting & setting, & to all the branches of carpentry & masonry necessary for the construction of a bridge". He was assigned a team of convict workmen, with whom he is said to have established a good relationship.

In July 1833, Governor Bourke rode up the new pass to the Pilgrim Inn. The bridge continued to be part of the main route to the west until 1926, when the highway was re-routed across Knapsack Viaduct.

Trucks Take Their Toll
Lennox & Mitchell could never have anticipated the forces exerted on the bridge by heavy trucks, taking a short-cut down the mountain, slewing around the curve of the bridge. Eventually, structural damage necessitated closure of the bridge in the 1950's.

Restoration
After being dismantled & rebuilt, historic Lennox Bridge was re-opened to light traffic in 1982. The road below the bridge is now one-way traffic down to the old highway at Emu Plains. Access Mitchell's Pass by leaving the highway at McDonalds, Blaxland, & proceeding straight ahead.

Bushwalking, Hiking, Cycling
Walking tracks link Lennox Bridge to Elizabeth & Marges' Lookouts, and Knapsack Viaduct.

Cyclists can ride from Blaxland railway station, down Mitchell's Pass, & detour to Knapsack Viaduct before proceeding to Emu Plains railway station.





 

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Discussion Starter · #20 ·
^great old snaps.

Magnificent Richmond Bridge, TAS. Australia's olest 1823

 
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