How Long Will your Bridge Last? The Need to Predict Service Life of Bridge Components Mike Bartholomew, P.E. CH2M Hill, Inc, Corvallis, OR Design and Construction Practices That Can Result in Improved Service Life of Concrete Structure to 150 Years or More Mohammad Sheikhizadeh, PE, Washington State Department of Transportation, Olympia, WA Service Life of Bridge Deck Repairs in Alberta Paul D. Center, PE, FACI, CH2M Hill, Inc, Edmonton, AB, Canada