The Morbi Cable bridge on the Machhu river collapsed because of lapses in repair work, maintenance and mismanagement or any other technical reasons, the Gujarat Police have said in the FIR.
The bridge collapsed on Sunday evening, killing 141 people.
In the FIR, the police have not identified any accused, but have lodged a complaint against the hanging bridge repair agency, its management, and any one whose name is disclosed during the course of investigation.
The Morbi B Division Police Inspector P.A. Dekavadiya in the FIR has stated that the bridge collapsed around 6.30 p.m. and by the time a complaint was lodged at 8.15 p.m., 50 persons were killed and 150 persons had suffered minor or major injuries.