The best view of the bridge at any time of day is from Gwangalli Beach. In the evening, a beautiful light show begins on the bridge. The length is 1,620 m, the width is 25 m, the length of the main part is 500 m. In general, with all its parts, the Diamond Bridge stretches almost 7.5 km, which makes it the second longest bridge in the Republic of Korea. The construction of the Gwangan-daegyo Diamond Bridge was carried out from 1994 to 2003. It was officially opened in January 2003, but in 2002, due to the XIV Summer Asian Games in Busan, traffic on the bridge was partially opened. Diamond Bridge.