With regard to the closing of the bridges in (a) Central Avenue, (b) Van Riebeeck Avenue, (c) 4th Avenue and (d) 1st Avenue in Edenvale in the Ekurhuleni Metropolitan Municipality, (i) what assessment of the structural damage to each specified bridge has been completed, (ii) what were the findings of each assessment, (iii) what will the cost be to rehabilitate each bridge and (iv) by what date (aa) does the Ekurhuleni Metropolitan Municipality intend to start repairing each bridge and (bb) will each bridge be re-opened?