Bridges are one of the most important infra-structures and essential for
living of people. Bridges are not only practical and useful but also
provide artistic impression with good aesthetics. The most important role
of bridge engineers is to ensure the safety of bridges in the design,
construction and operation processes. There are many types of bridges.
After short introduction to bridge engineering, cable-supported bridges
are mainly chosen in this lecture. The structural forms, the design method
and the erection method are taught. This lecture is given in Japanese and