Work has begun to repair Iron Tram Bridge in Wales after Storm Dennis caused further damage to the already dilapidated structure.
A report has revealed that stress corrosion was a primary cause for over 180 trains developing cracking so severe they needed to be withdrawn from service.
Here is why bridges are prone to corrosion and what can be done to mitigate or slow its progression.
Because of an ancient maritime by-law, a bale of straw is to hang over Wandsworth Bridge as scaffolding is erected over the middle span of the bridge.
Work to repaint Creagen Bridge with a corrosion-preventing material on the A828 in Scotland has begun,