chapter  3
Practice Problems ........................................................................................ Practice Problem 1: Noncomposite 60 ft Steel Beam Bridge for
Pages 72

L bridge span 60 ft LL live load HL-93 FWS future wearing surface (bituminous concrete) 3 in f′c concrete strength 5.0 ksi ADTT average daily truck traffic 250 fatigue design life 75 years New Jersey barrier 0.45 kips/ft each w roadway width 43 ft wc dead load of concrete 150 lbf/ft3

ww dead load of wearing surface 140 lbf/ft3

(bituminous concrete)

Please see Figure 3.1.