The C2 navigation structure is an important element of the Barrier, intended for navigation of the “river-sea” class of vessels. The total length of the bridge is 1078.65m. The bridge has (10x27.0+6x33.0) +120+(6x33.0+10x27.0)m spans. The width of the carriageway is 13.25+0.8+13.25. The carriageway is designed for 6-lane traffic with the 120km/h designed speed.