Only light vehicles were being allowed on the flyover this morning; (inset) the crack ran across the flyover. Pics/Satej Shinde, Bipin Kokate

The Lalbaug flyover was shut around 10.30 pm on Wednesday after a wide crack was spotted over pillar 221. Two beams, soldered with rubber and cement, had detached, revealing broken iron joints. Many vehicles passed over the precarious stretch before a commuter alerted the police.