Memorandums SDM-22-01-Use of Portable Barrier Rail 03072022 SDM-20-01-Steel_Tension_Flange_Stress_Limited_to_Yield_Stress_07312020 SDM-19-01-Pedestrian_Considerations_on_Bridge_Design_Projects_01242019 SDM-22-02-Distribution_of_Final_Foundation_Data_Sheets_09282022 SDM-22-03-Approval_of_Deck_Form_Supports_11142022