Village of Lombard
Phase I and II Engineering
BLA provided Phase I and II services for the Great Western Trail improvements. The project included multiple bridges to alleviate dangerous at-grade crossings. Design plans included bridges over Grace Street, St. Charles Road and the Union Pacific Railroad. Bridges were designed to highway loading standards and consisted of precast concrete girders supported on pile abutments with mechanically stabilized walls. One of the structures used a Geosynthetic Reinforced Soil Integrated Bridge System (GRS-IBS) developed by the FHWA – this was the first time in the State of Illinois.