The M20 Thurnham Lane North and Water Lane North & South structures are undergoing partial deck refurbishment, which is scheduled for September 2025. For all three bridge structures, the Preferred Option to address the stated network need and based on a Whole Life Costing of viable options, is Option 2; to replace the West expansion joint from stringcourse to stringcourse with Part 3 Flexible Plug Joint. This requires a surfacing inlay with HRA the full length of each bridge and 15m beyond each joint in order to accept the replacement ...