Caboolture-Bribie Island Road

Civil Project Partners was engaged by SMEC to provide a P50/90 Cost Estimate for the Caboolture-Bribie Island Road. The total package of works is valued circa ~$50M in 2019 includes a road duplication and new bridge. The project subsequently progressed through Options Analysis, Business Case and Detailed Design and is being progressively let to the market in 2020. Since our involvement, the project has progressed and is ongoing. The latest project news can be viewed on the Queensland Department of Transport and Main Road’s website.

caboolture-bribie island road

Project information

Project Owner
Options Analysis to Detailed Design
Caboolture, QLD
Capital Cost
Progressed to delivery (2020)


  • Acid sulphate soil management
  • Overlay works to existing carriageway
  • Full depth pavements on duplication works
  • Large, multi-cell RCBC
  • Significant foundation treatment works (soft soils)

Service Provided

Civil Project Partners performed the following deliverables for SMEC at each design stage:

  • P50/90 Cost Estimate report
  • Construction program
  • Risk management
  • Monte Carlo simulation of risk model

Subsequent to the first package of works being released in early 2020, Civil Project Partner’s comparable submission schedule at Detailed Design was within the range of tenders received at the time of tendering to the market.


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