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Thrower Drive Underpass

City of Gold Coast, State Government and the local community joined forces to initiate safer pedestrian access options for Thrower Drive.

Thrower Drive underpass south was constructed at the Currumbin Creek foreshore estuary, located approximately 15 kilometres south of Surfers Paradise on the Gold Coast.

The area is bounded by the M1 Motorway to the west and the Coral Sea to the east. A parcel of park extends to the west of the motorway on the southern side of Currumbin.

Benefits

Locality Plan of Currumbin Creek Estuary

Figure 1: Locality Plan of Currumbin Creek Estuary

This $700,000 green link allows people to walk or cycle to the new proposed train station and the adjoining areas in a much safer environment. The underpass provides a strategic link to future foreshoreways on both sides of the Thrower Drive bridge consistent with the Salk Oval Master Plan and Palm Beach Master Plan projects. The underpass was a joint City and State Government initiative.

Thrower Drive underpass south was designed to provide a shared pedestrian / cyclist underpass at the south eastern end of the Thrower Drive bridge at Currumbin Creek.

The underpass provides a strategic link to future foreshoreways ways on both sides of the Thrower Drive bridge consistent with Currumbin Creek Corridor Recreation Master Plan. This master plan program will improve the capacity and quality of the city's foreshoreway corridors and encourage more people to enjoy walking or cycling along Currumbin Creek.

Design

View of underpass running beneath bridge

Figure 2: Artist's Sketch Thrower Drive Underpass South

This project was jointly funded by the City and the Department of Transport and Main Roads - South East Queensland Cycle Network Program. The underpass is part of a joint foreshoreway (cyclists and pedestrian), which forms part of a strategic future link between the Pines Shopping centre, future rail extension and the Currumbin seaway. Therefore, the path attracts an increasingly high amount of recreational cycle use.

Underpass running beneath bridge looking from Currumbin Creek

Figure 3: Artist's Sketch Thrower Drive Underpass South
- Looking from the Currumbin Creek

The boardwalk was constructed under similar guidelines as the main bridge (Thrower Drive bridge) – Australian Standard AS5100 – Bridge Design code. All the components were specified to be constructed for an extended lifespan with the least impact on the environment.

Aesthetics, noise reduction and integration with surrounding areas were considered in the design. The Thrower Drive underpass south is an attractive, interesting and modern structure.

Underpass running beneath bridge looking from East side of Currumbin Creek

Figure 4: Artist's Sketch Thrower Drive Underpass South
- Looking from the Currumbin Creek east side

The City was aware that the Currumbin Creek area has high environmental, recreation and amenity value. For this reason, the following parameters were also addressed in the design:

  • combined pedestrian / cyclist path with an associated fence barrier
  • 2.4 metre minimum vertical clearance to path from underside of Thrower Drive Bridge. (Department of Transport and Main Roads standards for cycleways)
  • design life between 40-60 years
  • the alignment has been specially designed to avoid obstructions, where possible
  • alignment was designed to provide appropriate sight distances for pedestrians and cyclists to avoid creating conflicts points such as blind corners
  • pedal friendly handrails designed to avoid trip hazards for cyclist
  • minimum disturbance to marine and terrestrial plants
  • the level has also been set to provide the lowest profile for the boardwalk for visual amenity

Works

Works commenced in July 2012 and were completed by the end of 2012.

For more information

Contact the City's Project Manager Mr Gabriel Angarita on 07 5667 3909.

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