In response to your first question,Yes.
With regards our product, the patent pending system is known as the Cellular Tilt Form it uses a combination of modified tilt wall panels in conjunction with Engineered Fill (Elastizell lightweight cellular concrete). I will post a link to the website...
We are looking for someone to estimate MSE style bridge approaches. A detailed estimate and scheduling are needed to draw comparison to a new approach system we are introducing to the market.
The bulk of the projects we are looking at are with FDOT-
Anyone interested?