Caboolture–Bribie Island Road, Bribie Island bridge
The Queensland Government is progressing the Bribie Island Bridge Upgrade to improve safety, capacity, reliability, and resilience for the only road connection between Bribie Island and the mainland.
The existing Bribie Island bridge opened in 1963 and provides a vital transport connection for residents, businesses, emergency services, and visitors. As the region continues to grow, the upgrade will improve network performance and support the community’s long-term transport needs.
The project is currently in the detailed design phase and builds on previous planning, technical investigations, and community consultation undertaken during development of the business case.
The upgrade includes a new 4-lane bridge immediately north of the existing bridge, with 2 traffic lanes in each direction. The existing bridge will be retained and repurposed as a dedicated active transport connection for bicycle riders, pedestrians, and users of mobility devices.
Retaining the existing bridge will preserve an important transport asset. The new bridge will increase traffic capacity and improve reliability, resilience, and emergency access between Bribie Island and the mainland.
The project also includes widening Caboolture–Bribie Island Road to 4 lanes between Bestmann Road East and Benabrow Avenue, realigning the Sylvan Beach Esplanade intersection and improving active transport connections on Bribie Island and the mainland.
The design is being refined through ongoing engineering, environmental, and technical investigations and engagement with the community and key stakeholders.
Benefits
- Improves safety
- Better road access
- Accessibility
- Reduces travel time
- Contributes to economy
- Contributes to regional growth
- Better active transport
- Improves network efficiency
Key features
- New 4-lane bridge immediately north of the existing bridge, with 2 traffic lanes in each direction.
- Retention and repurposing of the existing bridge as a dedicated active transport connection.
- Road shoulders and supporting safety infrastructure on the new bridge.
- Improvements to resilience and emergency access between Bribie Island and the mainland.
- Realignment of the Sylvan Beach Esplanade intersection to provide safer turns.
- Widening Caboolture–Bribie Island Road to 4 lanes from Bestmann Road East to Benabrow Avenue.
- Installation of traffic signals at the Sandstone Point Hotel access.
- Improvements to active transport path connections on Bribie Island and the mainland.
- Supporting road, drainage, lighting, and marine infrastructure.
- Pelican perches overhanging the water.
Funding
This project is a planned investment, fully funded by the Queensland Government.
Investment ID: 3644598
Current status
The project is progressing through the detailed design phase.
The Queensland Government is undertaking investigations and surveys to inform the design of the new bridge, approach roads, intersections and active transport connections. These activities include hydrological and marine surveys within the Pumicestone Passage to assess seabed and waterway conditions.
Further activities include geotechnical investigations, on-road and underground service surveys, environmental assessments, engineering analysis and other technical studies. Environmental and statutory approvals are also being progressed to support future project delivery.
Investigations and early works are planned to minimise disruption, with advance notice provided for upcoming activities and potential impacts.
Investigation outcomes, environmental data, engineering analysis and community feedback will continue to inform the detailed design. Project updates will be published as the project progresses and new milestones are reached.
Community consultation
Feedback is now being sought on key design elements, including what the community would like incorporated into the future active transport bridge.The Department of Transport and Main Roads is also seeking feedback on proposed amendments to the Marine Parks (Moreton Bay) Zoning Plan 2019 to modify the marine park zoning and establish a works area for the Bribie Island Bridge Upgrade.
Visit the project's online consultation page to view the design layouts, provide feedback, and for information session details.
Preferred design layout
Artist's impressions
Artist's impressions of the new 4 lane bridge immediately north of the existing bridge, with 2 traffic lanes in each direction. Artist's impression of the existing bridge repurposed as a dedicated active transport connection for bicycle riders, pedestrians and users of mobility devices.

