Last Updated: Highway Projects Worth Rs 30,000 Cr Underway In Bihar: Nitin Gadkari Highway projects worth Rs 30,000 crore are underway in Bihar, Road Transport and Highways Minister Nitin Gadkari said on Thursday. Highway projects worth Rs 30,000 crore are underway in Bihar, Road Transport and Highways Minister Nitin Gadkari said on Thursday. The minister was addressing a virtual event after inaugurating Koilwar bridge over river Sone in Bihar, built at a cost of Rs 266 crore. The three-lane 1.5 km-long structure is part of a six-lane bridge being built in place of the existing 138-year-old two-lane bridge for both rail and road traffic. The bridge is a major road for transport between Bihar and Uttar Pradesh.