The second phase of works will see new permanent hangers installed, following a rigorous period of development and testing, as well as extensive painting work to the exterior of the bridge.
Bydd ail gam y gwaith gan UK Highways A55 Limited yn gosod crogwyr parhaol newydd, yn dilyn cyfnod o ddatblygu a phrofi trylwyr, yn ogystal â gwaith paentio helaeth i du allan y bont.