>"It's more the fact that Network Rail will have had to mobilise a team to go and check the bridge which could impact their work for days."

It is no surprise to me that Network rail are so understaffed that any special event disrupts their work schedules for days. That is what they call 'efficiency' these days.

Edit: Aside. During a set of fire service strikes it was a relatively common opinion to say something like, 'of course they have an easy job, they get paid to just sit/lie down at the station'. I used to ask, 'what would you like them to do while waiting in case you need rescuing?'. No answer. I spoke to a fireman and he told me that in response to this kind of nonsense a bunch of pointless busy work was invented for them. When real was privatised in the UK they fired a lot of these 'inefficient' workers. After a string of rain crashes, the government had to renationalise Network Rail (the bit that maintains the infrastructure). Another case where 'efficiency' means harming people for profit.