Steel Bridges vs. Concrete Bridges 1

I am currently inrolled in College now, and I have choosen to do a tech. report on Steel Bridges vs. Concrete Bridges. I am trying to find relevant information on this subject and would appciate any information.

 

[Qshake]

Please be more specific. There are many topics of discussion for those types of bridges as I mentioned in the bridge engineering category.

We can point you in the right direction (resources and references) and even answer a question if it is specific.