Thanks for your note !
The bridge is closer to anothe bridge, above.
https://cartes.ternum-bfc.fr/?x=732346&y=6016035&z=19&l=&lb=bdortho_express&config=apps%2Finstitut-national-de-l-information-geographique-et-forestiere-ign%2Fortho-express-2020.xml&mode=d

I'm on it, thanks !