A focal point in the Boston skyline, this unique bridge has twin planes of stay cables in the 745’ main span and a single plane of stays in the back spans. Recognized as the widest cable-stayed bridge in the world at 183’, the bridge carries ten lanes of traffic. The bridge is asymmetrical in both directions and is a hybrid steel and concrete design. FIGG associated with another firm for this project, and each firm was responsible for 50% of the cable-stayed design.