Station Street Bridge

Advanteering was engaged to deliver a major bridge and road realignment project involving the construction of a new dual-lane concrete bridge adjacent to an existing single-lane timber structure. The works also included the realignment of the road corridor and conversion of the old bridge into a dedicated pedestrian path. The project presented a range of technical and environmental challenges, including high water levels, difficult subgrade conditions, and delayed utility relocations—but was ultimately delivered through innovative in-house solutions, tight cost controls, and efficient site management.

The Project Included:

• Full closure of the road and self-performance of traffic management duties.

• Clearing and grubbing of over 20 mature gum trees.

• Installation of a combi-grid reinforced working platform over saturated subgrade.

• Preloading and settlement monitoring of the abutment embankment.

• Installation of Controlled Modulus Columns for ground improvement at Abutment 1.

• Construction of temporary shoring using second-hand sheet piles and deadman anchors.

• Construction of deep reinforced concrete foundations for bridge abutments and piers.

• CFA piling works for bridge supports including pile trimming and cage placement.

• Construction of retaining walls, headstocks, and pier columns.

• Installation of three-span precast concrete bridge beams with a 450T crane.

• Pouring of the 56m long concrete bridge deck in a single early-morning operation.

• Installation of drainage scuppers and kerbs along the bridge edges.

• Profiling of the existing road and placement of new pavement layers.

• Installation of new steel conduit for Telstra services under the bridge.

• Installation of drainage pits and Gross Pollutant Traps.

• Spreading and compaction of limestone and crushed rock basecourse.

• Asphalt surfacing of the new road alignment and approaches.

• Installation of concrete footpaths and cyclist-compliant balustrades.

• Construction of rock pitching to abutments and batter slopes.

• Concrete encapsulation of sheet pile walls for permanent retention.

• Final landscaping including topsoil placement, log installation and mulch spreading.

Despite a delayed start and demanding site conditions, Advanteering delivered the project ahead of schedule and under budget. The decision to self-perform critical activities, adopt practical design alternatives, and work collaboratively with stakeholders ensured a high-quality outcome that met all safety, environmental, and client expectations.