I was thinking a steel overbridge (rail over road) might go well with the abutments kit R015
An example of what I was thinking is here: http://maps.google.co.uk/maps?hl=en&ll=50.83424,-0.279308&spn=0.000575,0.001635&t=h&z=20&layer=c&cbll=50.83424,-0.279308&panoid=jC7BRsds6GikFBz5hk6fJQ&cbp=12,331.75,,0,-2.88