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Zoo Interchange


An equipment operator with Zignego Co. Inc., Waukesha, breaks up old pavement Aug. 27 along Bluemound Road near North Glenview Avenue in Wauwatosa. Glenview Avenue from Bluemound Road north to Wisconsin Avenue is being reconstructed in conjunction with the Zoo Interchange project. (Photo by Kevin Harnack)

A crew with Zignego Co. Inc., Waukesha, spreads dyed concrete along the Bluemound Road median near North Glenview Avenue on Aug. 27 in Wauwatosa. Glenview Avenue from Bluemound Road north to Wisconsin Avenue is being reconstructed during the $4.9 million improvement project that is being done in conjunction with the Zoo Interchange project.(Photo by Kevin Harnack)

A crew with Choice Construction Cos. Inc., Menomonee Falls, guides a large section of rebar into place while building a retaining wall July 24 along the railroad tracks that run below Bluemound Road at Highway 100 in Wauwatosa. Traffic on Bluemound Road was closed while improvements are being made to the railroad tunnel and to the road above as part of the Zoo Interchange project. (Photo by Kevin Harnack)

Choice Construction Cos. Inc.’s Roger Graydon (left) and Eleazar Garay tie a rebar cage July 24 while working along Bluemound Road at Highway 100 in Wauwatosa. (Photo by Kevin Harnack)

Outdoor Lighting Construction Co. Inc.’s Scott Hensel digs his way to buried conduits to run wiring for street lighting July 24 while working on Bluemound Road at Highway 100 in Wauwatosa. (Photo by Kevin Harnack)

Charles Zielinski, working for C&L Contracting Inc., Gillett, paints bolts on the Greenfield Avenue/Highway 59 bridge over Interstate 894/U.S. Highway 45 on Wednesday in West Allis. (Photo by Kevin Harnack)

Recent Stories

County to vote on Zoo Interchange land offer

The Milwaukee County Board of Supervisors’ Finance, Personnel and Audit Committee is expected to vote Thursday on whether to accept a $13 million offer from the state for 10 parcels of land.

WisDOT awards round of contracts

Board votes to buy warehouse in way of Zoo Interchange project

Editorial: Zoo Interchange project needs to stay in fast lane

One of state’s busiest intersections closes

Board moves ahead with water shift for Zoo Interchange project

Board to vote on shifting water utility to ‘Tosa

Budget to impact construction industry

Lunda to start work on Cleveland Avenue Bridge

State’s utility plants could generate interest

Milwaukee County mulls water main options for zoo project

State construction projects topic of May 14 meeting

Committee adopts parts of WisDOT deficit plan

WisDOT proposes delays in light of deficit (UPDATE)

Deficit looms for Wisconsin transportation budget, Bureau says

Groups call for more local transportation spending in budget

Zignego to start Zoo Interchange prep project

I-94 exit to Highway 100 closed for summer

Walker opts for more transportation debt

Milwaukee County moves closer to clearing way for Zoo Interchange project

WisDOT: Proposed debt would not exceed recommended limit (UPDATE)

Zoo Interchange land deal in fast lane

Lawmakers tackle project timelines, payment

Milwaukee zoo renovation plans slow to a crawl

County could sidestep RFP for Zoo Interchange utility move

Walker to unveil two-year budget plan (UPDATE)

WisDOT turns attention to I-94 stretch west of downtown Milwaukee

Walker’s plan gives Zoo Interchange $150M boost

Zoo Interchange prep work begins on  Greenfield Avenue (VIDEO)

VJS gets Milwaukee County greenhouses project

Greenfield Ave. bridge replacement project to start Jan. 21

Editorial cartoon

Greenhouses to get transplant during Zoo Interchange project


Zoo Interchange basics

Built: 1963, as one of the first highway interstate projects in Wisconsin.

Project basics: Complete reconstruction of the I-894, U.S. 45 and I-94 approaches and the interchange core as a four-level system

interchange. The project also includes improvements to service interchanges at North Avenue, Watertown Plank Road, Bluemound Road, 84th Street, Highway

100 and Greenfield Avenue. Core reconstruction is scheduled to take place from 2015 through 2017. The north leg of the interchange (U.S. 45) is scheduled to be completed by the end of 2018.

Overall project cost: $1.7 billion

Project timeline: Completed by 2018

Number of vehicles that use the interchange daily: 350,000

Companies working on the project:

• Greenfield Avenue Bridge Project – Zignego
• Highway 100 project – Superwestern
• Glenview Avenue Project – Zignego
• Swan Boulevard Project – Zignego




JobTrac, The Daily Reporter’s online project and bidding database, is available by subscription.

Zoo Interchange-Watertown Plank Interchange, Wisconsin Avenue to Underwood Parkway.

Zoo Interchange-UPRR and STH 100 Bridges over I-94, Hast to I-94 WB Ramp Terminal.

Zoo Interchange-South 76th Street Bridge over I-94, Kearney Street to O’Connor Street.

Zoo Interchange Advanced Signing, Zoo Interchange Corridor.


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