Complex sentence: An older bridge, a truss bridge to the north of the first cable-stayed bridge, opened in 1939, was closed in April 2017 and demolished from July to October 2017.
Split into simpler sentences: An older bridge, a truss bridge of the same name that was located to the north of the first cable-stayed bridge, was originally opened in 1939. It was closed in April 2017 and demolished from July to October 2017.