Well… You cant say I did not warn you that I would make errors, as it has indeed been awhile since I played.

The attack with the OG cannot happen with the Cavalry support.

As the streams and rivers cost extra to cross wether pontoon, bridged or unbridged.

Thus the end of the turn for the French there now looks like this:

On a positive note we did move the Bridging train correctly. I am using 5MP as the rate with no bonus and it also seems to be able to move by itself.