Lawrence Hargrave DriveSea Cliff Bridge
Clifton, Australia

Lawrence Hargrave Drive had suffered numerous dangerous rock falls and embankment failures over the previous 100 years. With the Pacific Ocean on one side and a 300m cliff on the other, a rock fall in 2003 forced the immediate closure of the road.

• The main structure is a curved Balanced Cantilever Bridge (BCB) adjoining a 150m radius curved Incrementally Launched Bridge (ILB)
• Total length: 665 metres
• Consisting of two 3.3 metre-wide lanes with 1.2 metre wide shoulders
• Balanced Cantilever Bridge Length 455.6m including 6m approach slab
• Incrementally Launched Bridge at Length 209.4m including 6m approach slab