Very nice. Good composition, perfect lighting. A wonderful study in patterns and shadows.
What would improve it for me would be to lose that piping in the lower third, perhaps recompose, moving up a third of the frame and catchint more of that curvature.
While riding my motorcycle, I hate seeing this kind of bridge decking because it makes my steering a little squirrelly, but in this photo, it's really cool!!! Very nice lines.
Nice Abstract, Tarjei. If you have a photoeditting program, I would take out the conduit or pipe in the lower right as it is a little distracting. However, if you're not of that philosophy, then perhaps a little cropping?
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