Typically, each span (44.4m) of the main expressway
consists of 18 segments, 16 typicals (2.55m long)
and 2 end pier segments (1.80m long). Each typical
segment is 27.2m wide and 2.60m deep. The deck
slab is supported by two precast struts and has an
internal duct for post tensioning at the wingtips /
edge beam.