Dead Load Strength 1 Design Moment Givens: Geometric: Bridge Length = 75’-0" (simply supported) Girders are concrete and are 4’ deep x 2.5’ wide 9.5" constant deck thickness 2" thick haunch above all girders Single slope barrier cross sectional area = 500 in2 Diaphragm Spacing= 25’-0" Diaphragm layout is same for intermediate and end diaphragms ηR = ηD = ηO = 1