WSP - Complex Bridges / Arch & Cable-Supported

TÄHTINIEMI BRIDGE (Engineer of Record) Client: Finnish Roads Administration, YIT Corp., Rautaruukki Oy Location: Heinola, Finland Core Services: Preliminary and Final Design

THU THIEM 2 BRIDGE (Engineer of Record) Client: Dai Quang Minh and People’s Committee of HCMC/ Department of Transport Location: Ho Chi Minh City, Vietnam Core Services: Final Design • The crossing carries four lanes of vehicular traffic, two motorcycle lanes, and two pedestrian lanes over the Saigon River. The main span is 656 ft (200 m). • The unique curved tower is shaped like a dragon’s tail and leans toward Thu Thiem, across the river from Ho Chi Minh City. • The project follows the Finnish Transport Agency’s BIM guideline for bridge building. • The main span consists of reinforced concrete deck and composite beam structure, using precast and cast-in place structures. The rear and side spans are tensioned both longitudinally and transversely. • The bridge opened in 2022.

• WSP designed this harp-form cable-stayed bridge with a crossing length of 3,031 ft (924 m). The bridge’s main span is the second-longest in Finland, at 541 ft (165 m). It carries four lanes of Finnish National Route 4 across Lake Ruotsalainen. The bridge opened in 1993. • The superstructure is an open I-girder system with two main girders. The deck slab is post-tensioned transversely. • Erection used launching technique. • The concrete towers have a green surface layer.

Complex Bridges / Arch and Cable-Supported

33