National Steel Bridge Alliance

Mount Si Bridge Replacement

Prize Bridge Information

  • Year Awarded: 2009
  • Year Completed: 2009
  • Location: North Bend, WA
  • Award Class: Medium Span
  • Designer/EOR: Andersen Bjornstad Kane Jacobs (ABKJ)
  • Fabricator: Jesse Engineering Company
  • Owner: King County DOT, Engineering Services Section
  • General Contractor: Mowat Construction Company
  • Detailer: MKE Detailing Service

Structure Information

  • Structure Type: Truss
  • Coating System: Galvanized
  • Span Length (ft): 240
  • Structure Length (ft): 240
  • Average Deck Width (ft): 43
  • Steel Weight/Deck Area (lb/ft²): 77
  • Amount of Steel (tons): 406
  • Cost: $10 million