The vegetation looks to be southern NSW or northern Victoria; the water and causeway look to be southern Qld.
I'm going for northern NSW, and not the Newell, but can't get any closer than that.
Either that vehicle appeared in this group at the start of the adventure, or it was in a daily newspaper at the time.
I'm trying hard to remember all of the roads which I have driven. Most had proper bridges.
Tambo is north of Biloela, and hence is knocked.
Have Condamine River at Condamine.
