Criteria/Constraints

Criteria

The design must

  • Not fail before the end of its intended lifespan, which is 100 years according to VDOT

  • Withstand flow from a 10-year storm event

  • Withstand loads from vehicles on the road


Constraints

The design must

  • Be financially feasible

  • Not produce any negative long term impacts to the stream

  • Allow aquatic organisms to pass freely through the crossing