A lorry transporting a crane knocked clear the rail bridge’s girder and entire parapet, making it unsafe to carry trains, at around 3pm on New Street Hill.
Southeastern’s
Bromley North branch has been closed. The impact has also made it unsafe for traffic to pass beneath, blocking access to part of the Sunbridge Park area.
Network Rail is working with bridge inspectors and police to arrange a safe route for people living on the other side.
The line is blocked to trains and the road to cars until it can be properly inspected, and the debris cleared.
A spokesperson for Network Rail said: “We're sorry to say the @Se_Railway #BromleyNorth branch is closed after this dramatic bridge strike on New Street Hill.