A new road was built to bypass Ely town centre by connecting the A142 at Angel Drove to the A10 Stuntney Causeway. The route of the new bridge crosses over a river and flood plain, the Bethnal Green to Kings Lynn Railway and the Soham Branch railway lines. The Bethnal Green to Kings Lynn lines are electrified with 25kV AC OLE. Due to the proposed soffit height of the new bridge, modification of the OLE was required in order to maintain suitable electrical clearances. The existing OLE was Mark 3B Simple Auto Tensioned equipment. Headspan structures are predominantly used for support and registration. Un-insulated overlaps were located directly beneath the proposed bridge location on the Up Main and Down Main lines. Existing contact wire heights were greater than nomi

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