CloCkWeRX
Its hard to say. The other end was definitely still gated off around 6 months ago.

Non free sources show the closure in 2014 as just after Edwin Street.

https://www.google.com/maps/@-34.9046502,139.3346457,3a,75y,77.35h,76.54t/data=!3m6!1e1!3m4!1syrfzsIJeftutMb4SGm5QCA!2e0!7i13312!8i6656

I suspect a bunch of people just ride past the gates, but the reason for closure is discussed in:
https://www.murrayvalleystandard.com.au/story/4452831/no-news-on-east-front-road-closure/

Right now, the whole area is flooded, so I can't imagine fixing it is a priority