Ison Road Overpass ramps up with crosshead milestone

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The Ison Road Overpass project has taken another important step towards helping connect Wyndham West’s growing community with the Princes Freeway.

In a new milestone, the project team recently installed the overpass’s central pier columns and crosshead with the help of a 400-tonne crane.

Sitting atop the columns, the crosshead will provide sturdy support for the beams and deck of the overpass bridge.

Local supplier WestKon precast the crosshead’s 5 pieces from concrete and steel at the company’s premises in nearby Cobblebank, minimising transport requirements. We've utilised Westkon’s services for a number of projects, with over 400 beams commissioned across the M80 Upgrade, the Monash Freeway Upgrade, the South Gippsland Highway Realignment and the Mordialloc Freeway.

With the crosshead pieces totalling 185 tonnes, the lift and installation process was completed over 2 days in late August.

In October, the project team will lift into place the 30 concrete beams onto the central crosshead and the bridge’s 2 abutments.

Once placed, the beams will effectively connect the project’s northern and southern sides and provide a base on which to build the bridge’s roadway.

The 4 lane Ison Road Overpass will extend over the Melbourne-Geelong railway line to help provide Wyndham West’s community with a direct link to the Princes Freeway. Future-proofed for 6 lanes, it will help give residents access to surrounding areas and minimise traffic in central Werribee, reducing congestion and improving journey reliability.

The project’s opportunities for active transport will include shared walking and cycling paths over the bridge and a cycling path underneath the bridge.

Due for completion by the end of 2025, the Ison Road Overpass is set to cater for nearly 29,000 vehicles a day by 2036.

Big Build Roads Ison Road Overpass