Yes that make sense , this press release give the intend (pedestrian an bicycle) : https://www.beliris.be/files/files/Projets/Passerelle-Flandre/Communique-de-presse-Persbericht-04.09.2021.pdf

I recall well the inauguration ,  social media pointed out this discontinuity, now as there is a new cycleway "crossing" with Nieuport we can assume it's just a missing sign