Sachin Valvekar, 29, engineer for Hindustan Construction Company and Kalicharan Patra, 53, supervisor from Narendra Constructions, have been arrested on Thursday, said a police officer at Sahar airport police station.
After the mishap, the site engineer, supervisor and others were booked under IPC sections 304A for causing death due to negligence, 337 for causing hurt and 338 for causing grievous hurt by an act endangering life and personal safety of others, police added.
This part of the overhead metro rail bridge is on the crowded Andheri-Kurla road that leads to the airport.
The collapsed bridge is part of the much-delayed 12-km Versova-Andheri-Ghatkopar corridor of the Mumbai metro.
