Tummaville Road Bridge Replacement
Tummaville Road, linking the Gore Highway and Millmerran Leyburn Road southeast of Toowoomba, QLD, faced a significant challenge when the previous bridge over the Condamine River North Branch became damaged and was subsequently decommissioned. In response, the Toowoomba Regional Council (TRC) engaged Kehoe Myers Consulting Engineers to design a replacement bridge. This new structure was envisioned to be a reinforced concrete structure, mirroring the clearance of its predecessor while enhancing flood resilience and adhering to the latest Australian Standards. With the previous bridge no longer in service, local traffic began utilising an existing side track to navigate the dry creek bed, prompting the need for a replacement bridge.
The Kehoe Myers team worked closely with the Client, the Environmental Engineering Consultant and the Geotechnical Engineering Consultant to design a bridge structure that would meet the needs of the Client and the Tummaville community.
The resulting Tummaville Road Bridge, conceived by our Structural Engineers, stands as a testament to meticulous design and engineering prowess. Spanning two lanes across two spans, the concrete bridge stretches approximately 38 meters in length and 10 meters in width. Its structural integrity is fortified by pre-stressed concrete driven piles, precast concrete scour protection at abutments, in-situ concrete headstocks, abutments and wing walls, transversely stressed deck units, rectangular laminated elastomeric bearing pads, and precast concrete castellated kerbs.
Given the frequent passage of oversized agricultural machinery, TRC granted a design exception, allowing for the removal of low-performance traffic barriers and their replacement with castellated kerbs exclusively on the bridge itself. Our design seamlessly incorporated these enhancements along the bridge and its approaches.
The roadworks and civil design were masterfully executed by our Civil Engineers, who ensured the incorporation of safe operating speeds, curve widening, and consideration of existing infrastructure and environmental factors.
Throughout the project, our team navigated each challenge with enthusiasm, leveraging collective expertise to secure the best possible outcome for our client.
