Bowstring steel girder RoB to come up at Indrali, Udupi December 24, 2021 | Announced, Project Updates The National Highways Division of the Public Works Department (PWD) has proposed to build a 54 m bowstring steel girder road over bridge (RoB) atop the Mangaluru-Mumbai railway line on NH 169A at Indrali in Udupi. This content is restricted.