Hi,
This Investopedia article is quite good for discussing project finance more generally.
Let's now have a think about bridge-to-bond facilities specifically:
- There are 2 simple elements to consider here: 'bridge' and 'bond'
- A bridge facility is a short-term financing option, designed to act as an interim measure before the long-term finance for a given project can commence. It is, literally, a 'bridge' between a project kicking off and its longer-term financing measures coming into play.
- Bridge to bond is just where the long-term financing will be from the issuing of (typically high-yield) bonds. Bond issue can take a while, so the bridge is put in place during the time the bond issue is being organised and administered so the project can keep going efficiently and without delays.
Hope this helps!