Photo: Pexels
Walyalup Bridge opened to the public in Fremantle, Western Australia, on Sunday, November 1, 2026, giving the port city a new crossing over the Swan River months after its old timber bridge closed. Thousands of pedestrians walked across the bridge during a morning community celebration, according to reports of the opening, and traffic began flowing across it later that evening.
The Walyalup Bridge replaces the Fremantle Traffic Bridge, a timber structure built in 1939 that had served the community for almost 86 years. It is the fifth bridge to be built at this location, according to Big Rigs, and the river crossing at this site dates back to a first bridge constructed in 1866. The old bridge closed on February 1, 2026, and the closure had originally been expected to last up to 12 months while the new bridge was built on the same alignment. Opening on November 1 brought that disruption to an end ahead of schedule, before the busy summer and Christmas trading period.
Walyalup Bridge: what opened on the Swan River
The new bridge carries Queen Victoria Street over the Swan River, linking North Fremantle and Fremantle in Perth, Western Australia. According to Perth is OK, the structure is about 500 metres long, with two traffic lanes in each direction alongside wider shared paths for pedestrians and cyclists. It also provides higher clearance for river traffic passing underneath, a practical gain for a working port river where boats and ferries share the waterway with road traffic.
The name Walyalup is the traditional Whadjuk Noongar name for the area Fremantle now covers, according to Big Rigs. The naming connects the new structure to the place as known by its Traditional Owners, rather than carrying forward only the functional name of the bridge it replaces.
How the extradosed design works
The engineering point that sets this bridge apart is its structural type. According to Perth is OK, Walyalup Bridge is Australia first extradosed bridge, a design that combines cantilever and cable stayed supports. In an extradosed bridge, short towers carry cables that support the deck, sitting between a conventional girder bridge and a full cable stayed bridge. The deck itself is stiff enough to carry much of the load, while the low towers and shallow cables add support over longer spans without the tall pylons of a cable stayed design.
That combination matters on a river crossing like this one. The design gives a longer clear span and higher clearance beneath the deck, keeps the profile lower than a tall cable stayed bridge, and still provides the stiffness needed for heavy road traffic. Building the replacement on the same alignment as the old bridge added to the challenge, since the crossing had to be delivered while the old route was closed and the community relied on detours.
Why it matters
Cost is the uncomfortable part of the story, and it carries a lesson for other replacement projects. The replacement bridge was originally estimated to cost 230 million Australian dollars, according to Big Rigs, but the final build came in at 596 million Australian dollars. Big Rigs attributes the increase to a redesign of the bridge and rising prices since the original figure was released some six to seven years ago. That gap between an early estimate and a final cost is a familiar pattern on long planned infrastructure, and it shows why early figures should be treated as planning estimates rather than promises.
Delivery is the brighter part of the story. According to a speech by Josh Wilson, the federal Member for Fremantle, the project involved 380 local businesses and 34 First Nations businesses, and supported 1,400 direct and indirect jobs. Western Australia Acting Premier and Minister for Transport and Major Infrastructure Rita Saffioti described the bridge as a once in a generation piece of infrastructure that will service the people of Fremantle and all Western Australians for decades to come, according to Big Rigs. The minister also said the community faced far less congestion than feared during construction, according to InSnip.
What happens next
Opening day is not the end of the work. According to Big Rigs, finishing works will continue on the bridge and surrounding areas after the opening, including final testing of the lighting. In coming weeks, road network changes made during the closure will be reinstated, including access to and from Fremantle via Canning Highway and the reopening of Beach Street under the new bridge.
For engineers watching from elsewhere, Walyalup Bridge is worth studying as a like for like replacement done on a tight urban site: a novel structural type for its country, built on an existing alignment, opened ahead of schedule, but at more than double its original estimate. The bridge now has decades to prove whether that trade was worth it.
Source: Big Rigs, “$596 million bridge opens ahead of schedule”, https://bigrigs.com.au/2026/11/02/596-million-bridge-opens-ahead-of-schedule/