Reinforced Earth^® technology is used for the innovative and economical design of abutments for the direct support of bridge superstructures. Reinforced Earth^® abutments can be engineered to work with either highway or railway bridges. Reinforced Earth’s inherent flexibility makes it possible to construct bridge abutments on soft soils. In these situations, special foundations are not required, although in some cases simple soil improvement techniques are recommended. While traditional abutments often require deep foundations, Reinforced Earth^® abutments are typically founded at a shallow depth. This enables construction to occur outside the area influenced by the highway or railway, and without disruption of service. Each year, more than 120 bridges are built on Reinforced Earth^® abutments.