Full course description
This course provides general information about importance of bridges, number of bridges, administration of bridges as well as needs and expectations. Types of bridges are defined with regard to traffic, materials, fabrication/construction, and structural types. The major considerations are reviewed in selection of bridge location. Bridge design philosophy based on limit states is presented for load and resistance factor design (LRFD) and compared with the allowable stress design and Load Factor Design. Four types of limit states introduced in the AASHTO LRFD Code are discussed.The design is based on the AASHTO LRFD Code and evaluation on the AASHTO Manual for Condition Evaluation of Bridges. The presentation includes the design philosophy, procedures and practical examples.