Working closely with its parent company as the main contractor PT Wijaya Karya (Persero) Tbk (WIKA), WIKA Beton generated the main component of two elevated ramp roads Simpang Susun Semanggi which serves vehicles travelling from Grogol to Blok M with 796 metres long and from Cawang to Thamrin with 826 metres long.
As the main component of Simpang Susun Semanggi construction, Box Girders were accurately designed by WIKA Betons highly competent engineers by applying segmental Box Girder transformed into X-axis, Y-axis, and Z-axis in order to adjust the surface of the elevated roads. This transformation implementing to the Box Girders required engineering mechanism with high-end technology, and was done successfully by WIKA Beton.