Newport City footbridge
|Newport City footbridge|
Newport City footbridge from the east bank
|Carries||cyclists and pedestrians|
|Official name||Newport City footbridge|
|Maintained by||Newport City Council|
|Width||Deck 16 feet (4.9 m)
Max. 49 feet (15 m)
|Clearance below||13 1⁄2 feet (4.1 m)
at high tide
|Opened||12 September 2006|
Not to be confused with City Bridge, Newport
The bridge links the east bank of the river in the vicinity of Rodney Parade stadium to University Plaza on the west bank. It was the first major public project in Newport Unlimited's plans to regenerate the city. The bridge won a design award from the British Construction and Steelworkers Association; the George Gibby Award 2007 by the Institution of Civil Engineers in Wales; the regeneration award by The Royal Institution of Chartered Surveyors in Wales as well as a highly commended by Wales Business Insider for the best regeneration project of 2007.
The bridge features two A-Frame masts, which support the bridge from the west bank. The masts are positioned on a shared foundation and anchored at ground level by two 4 3⁄4-inch (120 mm) diameter cables that are connected the tips of the masts. The forward mast is 262 feet (80 m) long and the back mast is 226 feet (69 m) long. Because of the angle at which the masts are positioned, the bridge stands at 229 ft (70 m) above ground. The deck is 16 ft (4.9 m) wide and 13 1⁄2 ft (4.1 m) above water at high tide. The bridge has a clear span of 476 feet (145 m).
The dramatic crane structures were designed as a deliberate and symbolic link to the site's earlier use as trading wharves—but with a modern twist. The deliberate location of the main structures on the west bank means that the vast majority of the construction work was kept away from the houses on the east bank, while avoiding impact on the local river ecology.
The bridge foundations are supported by thirty 35 1⁄2 inches (900 mm) diameter CFA (continuous flight auger) piles varying in length. The bridge structure is suspended on five ground anchors which are drilled 98 ft (30 m) into the ground.
Approximately 600 m3 (780 cu yd) of concrete were used in the bridge foundations.
The masts are made from sheet steel which was rolled into 'cans'. These were then welded together to produce the tubes for the masts.
The back mast is 1.75 m (5.7 ft) diameter and was delivered to site in seven sections. It weighs approximately 177 long tons (180 t).
The bridge deck is made up of five sections.
The deck units were installed in sequence and then welded together. Details of the deck units are shown below:
- Deck one and five
- 79 ft (24 m) long
- 16 ft (4.9 m) wide
- weight 19 long tons (19 t)
- Deck two and four
- 85 ft (26 m) long
- 31.2 ft (9.5 m) wide (at the outriggers)
- weight 25 long tons (25 t)
- Deck three
- 118 ft (36 m) long
- 49 ft (15 m) wide (at the outriggers)
- weight 55 long tons (56 t)
A half mile (800 m) of cable is used to support the bridge, varying in diameter from 2 in to 4¾ in (to 50 to 120 mm).
The main masts for the bridge were erected in the week commencing 1 May 2006 using the largest crane in the UK. It was officially opened on 12 September 2006 (also the centenary of Newport Transporter Bridge) and is the ninth crossing of the Usk in the city.
- Maximum mast height: 229 ft (70 m).
- Mast weight: 836 long tons (849 t).
- The balustrades are formed from nearly two miles (three kilometres) of stainless steel wire.
- The bridge deck is fitted with 178 lights.
- The mast bases, back anchor and masts are illuminated by 36 floodlights and uplighters.
World record highwire walk
As part of the city's "Big Splash" festival, on 30 August 2010, 45 year-old French circus star Olivier Roustan from Toulouse, performed the highest ever wirewalk in Europe, along the top cable of the Newport City Footbridge.
- Time-lapse construction photography
- Contractors: Alfred McAlpine
- Architect: Grimshaw
- Structural Engineer: Atkins
- Steel Fabricators: Rowecord
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