Stephenson Avenue Extension

Projects delivered through practical engineering, close collaboration and reliable execution.

TNE Civil delivered the precast installation, mechanically stabilised earth retaining wall and FRP scope on the Stephenson Avenue Extension for Acciona, helping create a new connection between Cedric Street and Scarborough Beach Road.

The works included MSE wall panels, precast arches and spandrel walls for the underpass structures, together with precast bridge beam installation.

Over a 27-month period, TNE Civil also delivered bridge substructures, a pedestrian underpass, more than 500 metres of retaining walls for new freeway on-ramps, and drainage and FRP works for Water Corporation.

Head Contractor Acciona
Principal Main Roads WA, Public Transport Authority, City of Stirling and Water Corporation
Value $10m+
Status Completed July 2025
Location Stirling, Western Australia
Scope Precast installation, MSE retaining walls, bridge structures, FRP and drainage
TNE Civil combined precast installation, structural concrete and supporting civil works across bridge, underpass, retaining wall and drainage packages. Close coordination supported the delivery of multiple interconnected scopes over a 27-month programme.
CAPABILITIES USED

Coordinated delivery across roads, bridges and underpasses.

Precast Manufacture & Installation
Installation of MSE wall panels, precast arches, spandrel walls and bridge beams.
Civils & Earthworks
Drainage and associated civil works supporting the new road and freeway connections.
Complex Concrete Structures & FRP
Bridge substructures, pedestrian underpass works, retaining walls and associated FRP packages.

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