Connecting communities since 1881: the legacy of the Shoalhaven Bridge

For many people, the Shoalhaven Bridge, also known as the Nowra Bridge, stands as a testament to the enduring history and technological evolution of New South Wales.

This iconic bridge, located in Nowra, NSW, has played a pivotal role in connecting communities and fostering regional development. Let's take a journey through time to explore the remarkable history of this engineering marvel.

Humble railway beginnings

The story of the Shoalhaven Bridge begins with ambitious plans for a double railway track. It was initially envisioned as part of the Illawarra railway line's extension, with dreams of reaching destinations like Jervis Bay and Eden. The bridge's purpose shifted, and it was transformed into a road bridge to meet the growing needs of the local community.

Designed by American engineer Charles Shaler Smith, the bridge's construction marked a significant chapter in NSW history. The Shoalhaven Bridge is recognised for its unique pin-jointed Whipple truss design, a remarkable engineering feat for its time. Completed in 1881, it showcased remarkable aesthetics, despite its lightweight appearance.

Technological transformation

Throughout its history, the Shoalhaven Bridge underwent transformations in materials. Originally featuring a timber deck for a century, the bridge experienced a significant upgrade in 1981 when reinforced concrete replaced the steel Armco decking. The bridge's original cast iron piers, supplied by the Atlas Foundry in Sydney, remained intact, testifying to their enduring quality. The use of steel or wrought iron has been a topic of historical debate, as evidence suggests the materials used were mainly wrought iron, making the bridge a technological marvel for its era.

A vital link between communities

The Shoalhaven Bridge's impact goes beyond its functional purpose. It holds a special place in the hearts of older Australians, as it has been a vital part of NSW for over 120 years. The Shoalhaven Bridge's legacy also extends to its contribution to the social and commercial development of the South Coast District. It served as a vital transportation link, connecting communities and fostering regional growth. In 2019, Infrastructure Australia approved the construction of a new fourlane bridge to the west of the existing ones. This new bridge became the northbound crossing, while the original northbound bridge was converted for southbound traffic. The historic 1881 bridge was retired from road traffic and is set to be re-purposed for the community's future use.

In February 2023, the new bridge opened, allowing for a smooth transition as the 1981-built bridge underwent refurbishment. This marked the next chapter in the bridge's storied history, ensuring it remains a significant part of the local landscape for generations to come.

Images from the collections of Wollongong City Libraries and the Illawarra Historical Society - P08456, P09852, P15055