On 15 October 1970, Melbourne’s West Gate Bridge collapsed during construction, killing 35 workers in what remains Australia’s worst industrial disaster. The collapse occurred as engineers attempted to correct a misalignment between two bridge sections by loading the higher side with 10 massive concrete blocks, each weighing around eight tonnes. The intention was to push the span into alignment – but the pressure caused the structure to buckle and give way. In total, 2,000 tonnes of steel and concrete plummeted 50 metres into the Yarra River and nearby industrial yards. Many of those killed were eating lunch beneath the bridge in site huts, crushed in an instant when the span fell.

This clip, from ATN News footage taken that day, captures the chaos and grief that followed. A shaken worker recounts how employees were told the bridge was safe, despite a similar incident having occurred in Wales. Behind him, rescuers and engineers sift through the wreckage. The rawness of the scene conveys not only the scale of the tragedy but also the profound failure of safety oversight that allowed it to happen.

A Royal Commission later found serious design flaws, poor communication and inadequate supervision, describing the event as ‘utterly unnecessary’. Its recommendations led to major reforms in occupational health and safety (OH&S) law, embedding the principle that employers have a legal ‘duty of care’ to provide safe workplaces.

The disaster also shifted the balance of industrial relations. Unions pushed for stronger roles in safety negotiations, statutory OH&S committees, and mandatory site inspections involving worker representatives. Safety training, incident reporting and grief counselling became integral parts of workplace management.

In the decades since, these reforms have saved countless lives. The legacy of West Gate is written into every hard hat, site audit and safety protocol – a lasting reminder that no job is worth a life.

Explore more footage from the West Gate Bridge collapse