22 September 2025

Keeping community informed a bridge too far for distant NCA

| By Ian Bushnell
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Commonwealth Avenue Bridge is a vital link.

Commonwealth Avenue Bridge is a vital link. Photo: NCA.

We all realised the needed strengthening works for Commonwealth Avenue, not to mention widening the paths, would mean some disruption, right?

Like light rail, it was coming.

But it’s just not something you think about. After all, we’ve negotiated the raising of London Circuit and light rail Stage 2A is making the city a mess but, hey, we’re surviving.

So many probably suspected a lane closure here and there would be the worst of it.

Nope. One span – we don’t know which yet – will close for a year, and then the other for another year. For the mathematically challenged that’s two years.

So for two years the volume of traffic that now runs over six lanes will be squeezed into three.

That is not a simple matter.

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So why is it that the National Capital Authority, which is ‘managing’ this $137.5m project, opted to break the news by quietly posting a ‘notification’ with the innocuous headline ‘Commonwealth Avenue Bridge Renewal Update’ on its website a few weeks ago.

Not even on its home page. No media release. No social media post. No press conference. No morning radio.

No wonder Public Transport Association of Canberra Chair Amy Jelacic launched into the NCA when it was left to Transport Minister Chris Steel to deliver the bad news.

“The NCA does not seem to feel any responsibility towards the city of Canberra despite the enormous influence it has on the functioning of the city,” she said.

The contract for the works was signed in March so the NCA has known for some time what the impacts would be.

But even Mr Steel took his time to let Canberrans know about the biggest disruption to the traffic and bus network anyone can remember, assuming the NCA has been briefing the government on its plans.

The wider paths of the upgraded Commonwealth Avenue Bridge upgrade.

The wider paths of the upgraded Commonwealth Avenue Bridge upgrade. Image: NCA.

According to Mr Steel, the NCA is expected to be doing some traffic modelling to help understand just how big the impact will be.

They’d better get a move on if works are getting underway later in the year.

Mr Steel is bracing for the worst, preparing commuters for cuts to weekday bus services across the network from February next year.

So much for the post-pandemic public transport patronage recovery.

Because the network is such a north-south configuration, the knock-on effects extend right across the ACT.

Understandably, Transport Canberra wants to run a network that can actually meet timetables, so that means less frequency and fewer buses to get stuck in the congestion the bridge clusterf… will generate.

Obviously, people will revert to their cars or demand to work from home full time if they can, to the despair of their managers and the CBD and surrounds businesses.

One can sympathise with Transport Canberra which is still dealing with the MyWay+ stuff-up and seems to reel from one drama to another.

The bridge works will need to be finished before construction of the next stage of light rail begins, sometime in the back end of 2028, and already the wags are talking about a decade of disruptions from the bridge to Callam Street.

No-one disputes the bridge project is a must, unless you wanted it demolished and a new one built. Imagine that disruption.

But the NCA has done Canberrans and itself no favours being so offhand about the matter.

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For years the NCA had a reputation for staying aloof, not being answerable to the people who live here and earning the ire of the ACT Government.

That changed under the former CEO Sally Barnes, who courted the media, was more collaborative with the local government and was willing to be upfront about issues, whether one agreed with her or not.

A new chill has ended that brief thaw.

No-one likes dramatic change or disruption to routines. Many must feel exhausted. If not, the years ahead will test them.

But being open, informative and helping to minimise the fallout can bring people along.

The ACT Government has had plenty of experience in recent years. Let’s hope it can keep people informed and come up with ways to lessen the pain.

And the NCA can redeem itself.

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Another option would be to open up Scrivener Dam, drain the lake (sifting out the carp, which could be sold for fertiliser) and (after forensics have removed the police tape from any revealed cold case sites at the bottom of the lake) get some army engineers to put a few temporary roads and bridges in across the old river. In the meantime they could fix the Scrivener Dam in ‘dry dock’. Refill the lake in 2028 when the bridge lanes have been done. If it rains.

HiddenDragon10:02 pm 23 Sep 25

The real point of this story is that the ACT is run by people who would have been right at home in the bloated admin. dept. (safely distant from even hypothetical action) of the ‘Yes, Minister’ hospital which had no patients.

Most of them are on the ACT payroll, with a somewhat smaller number on the federal payroll, but they could swap places and the Canberra public would not notice because the attitude is essentially the same – there is an exquisite irony in the former whingeing about being on the receiving end of the sort of treatment which they routinely and unblushingly dish out to the Canberra public.

The “get rid of the NCA” push, which is never far from the surface in stories like this, overlooks the inconvenient point that if the ACT has (supposedly) reached the point that it is now just like the seven other sub-national jurisdictions – and thus does not need an NCA or similar looking over its shoulder – then the case for a small, expensive to run, capital territory with artificial and increasingly meaningless boundaries largely evaporates.

The NCA recognised years ago that the strengthening of the two Commonwealth Avenue bridges over the Lake would be needed. At roughly the same time, there was a proposal for improved public transport (light rail being planned) involving the provision of a new bridge between the two existing Commonwealth Avenue bridges.

So did the NCA sensibly recognise this great opportunity and facilitate the new public transport (light rail) bridge, so that another bridge would be available before the strengthening disruption occurred?
If anything, the opposite happened, with many issues being raised by the NCA.
The clear moral and practical responsibility consequently rests with the NCA to provide an actual workable solution.

“So did the NCA sensibly recognise this great opportunity and facilitate the new public transport (light rail) bridge, so that another bridge would be available before the strengthening disruption occurred?”

The ACT Government is in charge of the light rail project, why didnt they recognise the great opportunity and bring forward their plans for delivery of the project?

Could it perhaps reflect the economic realities of the project?

Scapegoating of the NCA is just a lazy way out to absolve the ACT Government’s own decisions around planning, timing, funding and priority of the project.

The NCA isn’t responsible, morally or otherwise.

This light rail project has nothing to do with improving public transport, as verified by 2B’s longer commute times.

Are you inferring that the ACT Gov was routinely privy to the details of the NCA thoughts and plans, particularly the intention to consecutively close the bridges for a whole year each? And those closures are the very best technical strengthening solution available to the NCA?
At meetings (some professional technical) I have attended, it has been made very clear that the complexities introduced by having to satisfy multiple approving authorities (particularly NCA issues and its controlling role for parts of the route), is responsible for the frustratingly long drawn out stage 2 Light Rail planning process and its division into parts a and b. Whilst your inference that this was convenient to ACT Gov budgetary issues might well be the case, it was never alluded to in my hearing at those meetings.
The NCA is the controlling Authority, and the bridge strengthening is an NCA responsibility and project. As the lead and controlling Authority, it is clearly their responsibility to take the initiative in planning and co-ordination.

Roger,
To your first point its nonsensical to claim that the ACT Government didnt know about the bridge strengthening plans and options being considered. Its been widely reported for years including options to replace the bridge or include light rail which would be far more of an impost on timing and cost outside of what the NCA requires just for the bridges.

As for your second point, yes the NCA is the planning authority for the area and have clearly set technical requirements and approvals pathways that have been known for years.

Its not their job to make light rail easy to implement anymore than its ACTPLA’s job to help a developer plan for and submit a compliant development application in areas under their control.

It isn’t their responsibility, its the ACT Government’s to plan for and deliver a project that meets the set requirements of the planning authority.

Although its obvious to see why they’d want to blame the NCA because it provides easy cover and excuses for their own decisions around the project.

NCA, a ‘gelded’ NCDC. Just as aloof and dictatorial. Not much to do but dream up …. ahem, you might say, ‘impractical’, ideas (like narrowing Commonwealth Avenue – THE main north south link – to 2 lanes to create a ‘pedestrian precinct’!!). It now it has a task to manage – so far, badly.

ANOTHER Bushnell whinge! I know nothing but I have known NCA were going to close it for months now!

Minister Steele must have rocks in his head, if he thinks cutting the number of
R Services using Commonwealth Ave bridge, is the best strategy.

Depending on it’s make and model, every bus that crosses Comm Ave bridge can carry between 60-100 people. Moving those people into cars only adds to congestion and overloads limited car parking.

What are you thinking Minister Steele?

Trish O'Connor3:32 pm 22 Sep 25

unfortunately i don’t believe Minister Steele thinks at all.

As usual, he’s not thinking effectively. The smartest thing to do would be to discourage people from using their cars, especially when it’s usually only one person in each car. Make the bridge like a transit lane, where vehicles with 3 or more passengers only can travel in the fast lane, forcing cars with only one passenger to line up and go slow or use the other bridge.

Zaphod Beetlebrox9:26 am 22 Sep 25

It is to be expected and therefore cannot be said enough. The upgrade of the Commonwealth Bridge upgrade has nothing to do with light rail. The reason for the strengthening is that we use the bridge so much that the traffic has exceeded its designed capacity. If it was NOT strengthened, it would be damaged and need to be closed off or replaced. After a study a few years ago, strengthening was thought to be the lesser evil. The Commonwealth Bridge was built back in the 60s, when Canberra was a smaller place. Many years later there are many more vehicles going over the bridge and the vehicles have got heavier. Closing the two bridges off consecutively seems to be new. It would seem that the bridge bearings need to be replaced. The whole bridge will be lifted off its peers. A bridge bearing is a mechanical component placed between the bridge superstructure (like the truss or girder) and the substructure (such as the pier or abutment). All bridges get old eventually and all will need to be replaced. All Canberra’s infrastructure is getting old too and replacement inevitable. Canberra is over a 100 years old now. We are no longer a new city and population is forecast to reach 700,000, Much of its infrastructure is due for renewal over the coming decade. We ain’t seen nothing yet. 

Steel knew did nothing now its NCAs fault? Its the transport ministers job to administer transport.

Canberra needed a 3rd bridge long ago

Don’t defend our resilience over Civic; businesses are dying.

We still don’t have the 2B route plans finalised. With that in mind, the NCA has been quite forthcoming on this work!

Courting the media doesn’t equate to community consultation. In any event, the packing of the Parliamentary Triangle works directly against the ACT’s planning and transport objectives, including viability of its town centres. The NCA certainly needs a shake-up, but not due to the bridgework they are doing on behalf of the ACT Government’s light rail folly.

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