Union Bridge

The project involved the construction of a new 72m long, three-span prestressed girder bridge over 10m high.

Union Bridge 3

Union Bridge

Meander Valley Council
Contract Mechanism:
Design and Construct AS4902
Key Personel:
Start Date:
August 2016
Date for Practical Completion:
December 2017
Design Engineers:
BridgePro Engineering, CSE Tasmania

Union Bridge

Project Description

The project involved the construction of a new 72m long, three span prestressed girder bridge over 10m high.

Technical Details

  • 3 span bridge, dual lane
  • 72m long and over 10m high
  • Driven steel piles up to 70m long, precast concrete pier/ abutment, prestressed girders, cast insitu deck
  • Complex foundations into a karst (cave) system requiring a mid-construction design change to double the number of piles.
  • Installation using a 50t crawler crane on a barge along with erection gantries
  • Approach roadworks including cuts into a 10m high embankment and significant fill

Relevance to B3, R2 Prequalification Categories

  • Complex foundations involving deep piling
  • Pile installation from floating equipment (B4)
  • Cast insitu composite deck
  • Construction over water using floating cranes and erection gantries (B4)
  • Large / significant concrete pours (B4)
  • Significant earthworks including structural fill and rock protection
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BridgePro acknowledges the traditional owners of this island, and pays respects to all Tasmanian Aboriginal people past, present and future.