It is a 2.3 km long x 13.0 m wide sea crossing consisting of a 1.8 km long bridge, a 0.1 km long causeway connecting Pulau Bunting to the bridge and a 0.4 km long causeway connecting mainland Kedah to the bridge. The bridge is an arch cable-stayed bridge with a main suspended span of 80m in length and approach spans of precast concrete box beams with spans of 30m in length. The causeways have fill embankments on piled foundations with rock armouring.