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Perryn Road footbridge over the A40, London by Grimshaw

[FIRST LOOK + PROJECT DATA] Grimshaw has completed this 32m-long footbridge over the A40 Western Avenue in Acton, West London

Designed with Hyder Consulting, the bright-yellow link replaced an ageing, damaged structure and runs diagonally over the busy dual carriageway.

The new bridge, which forms part of a larger redevelopment project that has also seen the overhaul of two major road bridges, is served by both ramps and stairs and provides improved access for pushchairs, cyclists and wheelchairs.

According to the practice, ‘the key design challenge’ was to build the bridge foundations on limited land next to the carriageway, a task made harder ‘by the quantity of utility services buried under the pavements’.

A spokesman said: ‘The new footbridge was designed so that the old one could remain in place until the new span was completed. This was installed in a single lift in one overnight closure of the road – the first ever planned complete closure of the A40. Once in place, this span and its new stairs were opened for public use, while the old footbridge was demolished to make room for the new ramps.’

Project Data

Architects: Grimshaw
Location: Acton, west London
Type Of Project: Footbridge
Structural Engineers:
Project Architect:
Ewan Jones with Jorrin Ten Have
Design Team: Clarence Chin, Katarzyna Jurkiewicz
Client: Hyder/Transport For London
Funding:
Tender date:
Start on site date:
March 2009
Contract duration:
Gross internal floor area:
Form of contract and/or procurement: 
Design & Build
Total cost:         
M&e consultant: 
Quantity surveyor:
n/a
Planning supervisor: n/a
Lighting consultant: n/a
Main contractor: Carillion/SH Structures 
Selected subcontractors and suppliers:
Annual co2 emissions:
n/a

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