Kolkata: The Durgapur Bridge (Derozio Setu) will be closed for vehicular movement from 10 pm on January 23 till 5 pm on January 26 for the purpose of conducting load test. South-bound auto rickshaws will have to avail Chetla Road, Lock Gate Bridge, Station Road and New Alipore Island. Buses of route number 3B will avail T C Road instead of Durgapur Bridge. North-bound vehicles of Durgapur bridge will be diverted from New Alipore island to avail T C Road and D P SRoad. North-bound auto rickshaws will have to avail bailey bridge, Alipore Park Road, Raja Santosh Road and Chetla Central Road..