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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:Construction work started in April 2018 and is 54% complete. Phase 1 is complete and Phase 2 is underway. Signal engineering design services for crossing upgrades at B‐35 Interlocking in support of Z‐100 Bridge is 95% completed. Final design completion is estimated in June 2019.
Information Updated:July 2019
Related Transit Assets
Metra Rail Lines:Milwaukee District West Line
Related Jurisdictions
Not Available

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