Introduction. LRFD Method of Bridge Design. Limit States. Load Combinations and Load Factors. Strength Limit States for Superstructure Design. Resistance Factors, Φ, for Strength Limits. Design Live Load HL-93. Fatigue Live Load. Number of Design Lanes, NL. Multiple Presence Factor of Live Load, m. Dynamic Load Allowance, IM. Live Load Distribution Factors. Load Combinations for the Strength I Limit State. Simple Beam Live Load Moments and Shears Carrying Moving Concentrated Loads per Lane. Live Load Moments and Shears for Beams (Girders). Design Examples. Design Example 1: Reinforced Concrete T-Beam Bridge. Design Example 2: Load Rating of Reinforced Concrete T-Beam by the Load and Resistance Factor Rating (LRFR) Method. Design Example 3: Composite Steel?Concrete Bridge. Design Example 4: Longitudinal Steel Girder. Design Example 5: Reinforced Concrete Slabs. Design Example 6: Prestressed Interior Concrete Girder. Design Example 7: Flexural and Transverse Reinforcement for 50 ft Reinforced Concrete Girder. Design Example 8: Determination of Load Effects Due to Wind Loads, Braking Force, Temperature Changes, and Earthquake Loads Acting on an Abutment. Practice Problems. Practice Problem 1: Non-composite 60 ft Steel Beam Bridge for Limit States Strength I, Fatigue II, and Service. Practice Problem 2: 161 ft Steel I-Beam Bridge with Concrete Slab. Practice Problem 3: Interior Prestressed Concrete I-Beam References. Primary References. Supplementary References. Appendices. Index.