Rural Township Bridge Replacement – Shelby County, Illinois

Overview:
The project involves the design of a three-span bridge featuring precast, prestressed concrete deck beams, pile bent spill-through abutments, two piers, and Type S1 bridge rail. Improvements also include roadway approach work to enhance safety and long-term performance at the crossing.

What TWG Delivered:
– Phase I Engineering: Completed topographic survey, pavement and bridge design, and hydraulic analysis, including evaluation of high-water impacts on roadway overflows and bridge approaches.
– Traffic & Safety Analysis: Conducted crash analysis and traffic study to support safe and efficient roadway design.
– Environmental & Regulatory Coordination: Performed environmental reviews and special waste assessments and supported project approvals.
– Preliminary Plans & Reporting: Prepared preliminary plans and project report for approval.
– Phase II Engineering: Developed final plans, details, special provisions, and engineer’s cost estimate.

Results:
TWG Engineering developed a comprehensive design package to support the replacement of a multi-span bridge, improving safety and long-term roadway reliability. The project is currently pending completion.