France – Highways engineering services – Autoroute A28 – Création d’un écopont à Sainte-Jamme-sur-Sarthe – Prestations de maîtrise d’œuvre principale et d’assistance à maîtrise d’ouvrage en phases conception et réalisation

This tender, issued by COFIROUTE, concerns design and project management services for an ecological crossing (écopont) on the A28 motorway near Sainte-Jamme-sur-Sarthe, France. The contract covers design (phases APRO, AVP, PRO, ACT) and construction supervision (VISA, DET, OPC, AOR, SYN, GPA), plus administrative authorizations and project management support. The structure is a single lot with a 60-month duration. The procedure is a restricted negotiated procedure with a call for competition, fully electronic via a dedicated platform. No estimated value is provided. Submission deadline: 09/06/2026 12:00 CEST.