Freaky Facts

There are plenty of fact sheets about the Gateway Upgrade Project on its website.

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Facts on the Gateway Bridge and the Gateway Upgrade Project

	Gateway Bridge	Gateway Upgrade Project
Commenced	5 June 1980	9 March 2007
Opened	11 January 1986	under construction
Cost	Total project cost - $140 million Bridge only - $92 million	Total project cost - $2.12 billion Bridge only - $350 million (approx)
Owner	The Gateway Bridge Company Limited, now a subsidiary of Queensland Motorways Limited	Queensland Motorways Limited
Designer	Macdonald Wagner Pty Ltd in association with V.S.L. International of Switzerland	Maunsell Aecom and SMEC
Builder	Transfield (Qld) Pty Ltd	Leighton Abigroup Joint Venture
Length	1.63 kilometres	1.63 kilometres
Width	22 metres - six lane divided carriageway	27 metres - six lanes and a 4.5 metre shared pedestrian & cycle way with 4 viewing platforms
Height	64.5 metres above river level	64.5 metres above river level
Grade	5.27%	5.27%
Clearance	59.2 metres - river level to centre of main span	59.2 metres - river level to centre of main span
Shipping clearance	54 metres	54 metres
Main span	260 metres	260 metres
Concrete	150,000 tonnes	157,000 tonnes
Reinforced steel	9,900 tonnes	11,600 tonnes
Erection truss	650 tonnes	1,000 tonnes
Pre-stressing high tensile steel wire	2,500 tonnes; if the wire was stretched out it would join Cairns to Melbourne
Construction method	Main Span - Cast in-situ balanced cantilever Approaches - Pre-cast segmental span-by-span (joined with concrete stitch pour)	Main Span - Cast in-situ balanced cantilever Approaches - Match-casting segmental (joined with epoxy)

Facts on the Gateway Motorway and Gateway Extension
Length - 29 kilometres
Traffic counts - over 100,000 per day over the Bridge
Toll points

Facts on the Logan Motorway
Length - 32 kilometres
Traffic counts - over 90,000 per day.
Toll points

Commenced	1 October 1987
Opened	31 December 1988
Cost	$77 million
Owner	The Logan Motorway Company Limited, now a subsidiary of Queensland Motorways Limited
Designer	Bornhorst and Ward Pty Ltd Gutteridge Haskins and Davey Pty Ltd Macdonald Wagner Pty Ltd Rankine and Hill Pty Ltd
Builder	Crooks Mitchell Peacock Stewart (Qld) Pty Ltd
Length	32 kilometres
Width	Initially started as two lanes (single each way) then changed to 4 lanes (double each way) in 1997 and 2000
Financial advisor	Queensland Government Development Authority
Toll collection equipment provider	Toll Systems Technology Pty Ltd

Facts on the Paradise Road Interchange
The Paradise Road Interchange includes:

On and off-ramps from the Logan Motorway to Paradise Road
Signalised intersections from the ramps to Paradise Road
Toll plazas on the east bound on-ramp and west bound off-ramp
An extension of the existing Paradise Road overbridge by an additional 20 metres on the northern side of the Motorway
Construction of a new bridge under the interstate railway line
Drainage works, road marking and signage associated with the new road layout
Additional road lighting along the Logan Motorway and Paradise Road

Did you know?

The rail bridge over the Interchange was completed in 4 x 10 hour shut downs, saving three weeks on the construction program
Fast germinating native seeds, prevalent in the local area, were used for landscaping
More than 150,000 cubic metres of earth was moved to create the foundation for the on and off-ramps
All earth work materials were sourced from the site
Over 740 personnel worked on this project
Approximately 34,000 tonnes of asphalt was laid
1800 metres of guardrail and 1600 metres of concrete barriers were erected
Reinforced concrete pipes were used instead of steel pipes, to ensure durability
Over 100 street lights were installed
The project was completed ahead of schedule