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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 17% complete. Construction is nearing completion for both abutments and piers one and two. Structural steel delivery has begun and pre‐fabrication of the bridge structure initiated. Signal engineering design services for crossing upgrades at B‐35 Interlocking in support of Z‐100 Bridge is 30% completed. Estimated completion is by the end of December 2018 with Metra crews starting signal work in January 2019.
Information Updated:December 2018
Related Transit Assets
Metra Rail Lines:Milwaukee District West Line
Related Jurisdictions
Not Available

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