Chennai Beach- Villupuram Section- Aproposed Construction Of Road Over Bridge With Composite Girder 1x37.600 M Clear Span In Lieu Of Lc.no.49 At Km 53/28-30. Bproposed Construction Of Road Over Bridge With Composite Girder 1x35.100 M Clear Span In Lieu Of Exg.lc.no.74 At Km 94/22-24 Cproposed Construction Of Left Over Works Of Approach With Psc I Girder 1 X 28.75m Effective Span In Lieu Of Exg.lc.no.75 At Km 97/15-16.