Bridge into the sea boundary and estuaries in Palu was named after the bridge hammer IV. But it has so man name like "Ponulele and Yellow big bridge". This bridge is the third of the world after Japan and France. The main bridge length: 250m the highest point of the arch bridge: 20,2M of the width of the bridge bridge body surface area of 7.5 M total iron bridge: 6234.40 M2.