Projects | Foreshore Drive Bridge

Restoring a vital community connection without compromising one of Port Stephens' most valued natural environments.

Delivered following the collapse of a storm-damaged culvert, the Mambo Wetlands Bridge provided a long-term replacement solution that minimised environmental impact, accelerated construction, and improved safety for both motorists and pedestrians.

Dimensions

13.7 x 9.6m

Client

Port Stephens Council

Products

IQ700

Type

Single-Span Bridge

Location

Port Stephens Council, NSW

Key project points

Environmentally Sensitive
Top-down installation minimised disturbance to the adjacent estuary and wetland ecosystem throughout construction.

Coastal Durability
The project was the first InQuik bridge to incorporate Grade 316 stainless steel cladding, providing enhanced corrosion resistance in a coastal environment.

Rapid Road Reinstatement
Prefabricated bridge components supported efficient construction and helped restore a critical transport route following severe storm damage.

Enhanced Community Safety
The project required meticulous planning to address the environmental challenges and mitigate risks effectively.

Cost-Effective Delivery

‍The prefabricated bridge solution provided a practical and economical alternative while meeting the project's environmental, durability, and programme requirements.

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Location

The project is located on Port Stephens Foreshore Drive in Salamander Bay, adjacent to the environmentally significant Mambo Wetlands.

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The wetlands are a highly valued natural asset that supports diverse ecosystems and is an important recreational area for the local community.

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The road serves as a key connection for residents and visitors, making its restoration a priority following the collapse of the existing culvert. The site also experiences coastal environmental conditions that demand durable, long-term infrastructure solutions.

Challenges

Severe storms in 2021 caused the failure of the existing culvert, forcing the closure of a critical section of road. Council needed to identify a replacement structure that could be delivered within a constrained timeframe while meeting strict environmental requirements.

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The proximity of the wetlands and estuary limited construction methodologies and required a solution that would minimise disturbance to sensitive habitats.

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At the same time, the replacement structure needed to provide a long design life in a corrosive coastal environment.

How We Helped

InQuik provided a prefabricated bridge solution that could be installed efficiently with minimal impact on the surrounding environment.

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The top-down construction method reduced disruption to the estuary while eliminating the need for extensive excavation and spoil generation. Grade 316 stainless steel cladding was incorporated to enhance durability and support the required design life in the coastal setting.

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The completed structure not only restored a critical transport connection but also delivered improved safety outcomes through the inclusion of a dedicated shared pedestrian pathway.