Management Information Systems in Structural Engineering Joseph E. Krajewski, P.E., T.Y. Lin International, Beaverton, OR The SR 520 Bridges - Catastrophic Failure Plan Julie Meridith, P.E., Washington State DOT, Seattle, WA Gordon MacDonald, P.E., Paramatrix, Bremerton, WA Steve Aisaka, P.E., Paramatrix, Bremerton, WA Columbia River Crossing Type Study and Preliminary Engineering Matt Demi, P.E., S.E., HDR Engineering, Inc., Vancouver, WA Chester Werts, P.E., S.E., HDR Engineering, Inc., Olympia, WA