Structures

• Local Street Crossings
  • Alternative Structure Types
  • Increasing Clearances
• Pre-fabrication and Materials
  • High Performance Materials
  • Segmental Construction
  • Overlays
• Retaining Walls
  • Purchase ROW for wall elimination

• Service Drive Expansion
  • Cantilever Service Drive over mainline at WSU Parking Garage
• Foundations
  • Mono Shaft
  • Large diameter steel pipe pile
• Railway Crossings
  • Extending existing structures
  • Temporary Bridges

• Interchanges
  • Build new ramps before eliminating movements
  • Construction Planner
  • Ramp Bridges
    • Segmental Box
    • Steel Box/Plate
• Advanced Contracting
  • Identify Bridges for early replacement
• Erection Methods
  • SPMT
  • Roll In
  • High Capacity Cranes
  • Erection Gantry