text: There is a road that starts from here with a tunnel under the railway, that leads to "la maison du bon pasteur" (part of Constantine Diocese). 
  
  You can guess it on
  https://www.google.fr/maps/place/Pont+Salah+Bey/@36.3564324,6.6212421,97m/data=!3m1!1e3!4m5!3m4!1s0x12f17723e876e695:0x72286403ed49d196!8m2!3d36.3574547!4d6.6142597