The George's Dock bridge, which carries the Red Line Luas, will need to be demolished and replaced by a new bridge after it was severely damaged by a fire last week https://www.thejournal.ie/las-bridge-demolished-fire-georges-dock-dublin-6804223-Aug2025/
Aren't bridges built out of steel and concrete? How does steel and concrete burn?
The strength and load-bearing capacity would be reduced as a result of the intense heat. Steel probably buckled too.
Edna’s right. For a famous example of what intense heat can do to steel and concrete, see: science.howstuffworks.com/engineering/...