Great progress is being made on Memorial Ave overbridge, however installing the decorative archways over the top seems to be a huge and difficult engineering challenge which is slowing the project down. If ever a feature fitted into the 'nice to have' category these arches would have to be it.
I don't have a photo but to fit them a massive steel structure has been put in place on top of the overbridge, & an equally massive crane brought in to install them. Here is the nzta project page
If you search google images for Russley overbridge you will see what I am talking about the white curved tube things are to be put together into the arches.
Incoporating the arches was a great way for the architect to win the contract I guess but are they really needed? Why not just do some nice planting of nz native shrubs and plants on the banks & open the freaking thing! Who is it really going to impress anyway? Maybe tourists in their motor homes for a brief few seconds. However, that first favourable view of NZ will be erased once they motor into Arthurs Pass township & have to use the filthiest public toilets in the South Island. (Sorry for the digression.)