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I-43 ramp in Milwaukee to be closed for three months

The soundbound ramp to Interstate 43 off Wisconsin Avenue in Milwaukee was closed Friday morning after WisDOT officials found cracks in the structure. It is expected to remain closed for three months. (Photo by David La Haye)

The soundbound ramp to Interstate 43 off Wisconsin Avenue in Milwaukee was closed Friday morning after WisDOT officials found cracks in the structure. It is expected to remain closed for three months. (Photo by David La Haye)

Emergency repairs on an Interstate 43 on-ramp in Milwaukee are expected to take three months to complete.

On Thursday night, the Wisconsin Department of Transportation closed the southbound I-43 ramp from Wisconsin Avenue after routine inspections revealed cracks in the column supporting the structure.

The WisDOT investigation was confirmed by HNTB Corp., Kansas City, the design firm responsible for the Marquette Interchange. HNTB said the company accepted responsibility for the flaw and will make the repairs at no cost to taxpayers.

The ramp is expected to reopen to one lane of traffic in four to six weeks once shoring is built to support the structure. A replacement pier will then be constructed to bring the interchange back to full capacity within three months, according to WisDOT.

Both WisDOT officials and HNTB representatives confirmed that no other statewide interchanges designed by the company are deficient.

— Joe Lanane

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