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Capital Projects > Project Management Oversight > Bridge Z-100 Replacement
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RTA logo Bridge Z-100 Replacement


This project is an infrastructure replacement and expansion project that will replace the Milwaukee District West Line's Fox River bridge with a new, double-track structure, which will also include a modern, PTC-compliant signal system. The project scope includes completing the design process, purchasing a permanent easement, and a two-phase construction process.

Service Board:Metra Commuter Rail
Program Category:Track & Structure
Overall Status:Construction
Budget Status:On Budget
Schedule Status:On Schedule
Current Activities:Phase 1 is complete, and Phase 2 is underway. Construction work started in April 2018 and is 85% complete. This bridge is the only remaining single track segment between Elgin and downtown Chicago. This project will this the growing demand for both passenger and freight service by increasing reliability and operations on this line.
Information Updated:May 2020
Related Transit Assets
Metra Rail Lines:Milwaukee District West Line
Related Jurisdictions
Not Available

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