What are the features of India's longest sea bridge 'Atal Setu'?

The Atal Setu in Mumbai is a 21.8-km-long six-lane bridge, that has 16.5 km length over the sea and about 5.5 km on land. Being dubbed India's longest sea bridge, it was constructed at a cost of ₹17,840 crore, using 1,77,903 metric tonnes of steel along with 5,04,253 metric tonnes of cement. It will reduce Mumbai-Pune travel time.