The 52 million bridges brace against the Tasman Sea, up to east of the original alignment of Lawrence Hargrave Drive. Completed in 2005, the Sea Cliff Bridge structure comprises a haunched box girder composed of prestressed concrete that was constructed using the balanced cantilever method, with five spans. Adjoining the Sea Cliff Bridge is the Lawrence Hargrave Drive Bridge often not considered as two separate bridges. This latter girder bridge that was constructed using the incremental launching method, with seven spans, ranging from , shares a common pier with the Sea Cliff Bridge.