Culvert Rehab in Indiana

About This Project

The Indiana Department of Transportation contracted Midwest Mole to rehabilitate a failing 14-foot corrugated metal pipe (CMP) culvert under Interstate 65 in Gary, Indiana. The CMP had a 2.5-foot belly from being crushed under the heavy traffic on I-65, and some sections were corroded as well. Our goal on this project was to install a 12-foot InfraSteel pipe via sliplining.

The Little Calumet River runs through the job site, so we needed to set up a bypass pump to divert the river flow and produce a dewatered condition. Once we dewatered the culvert, we discovered that a 12-foot casing would not fit in the existing culvert, so we swapped it out for an 11.5-foot liner. After installing it, we built bulkheads on both sides and filled the annular space with 600+ cubic yards of lightweight cellular grout.

INDOT was pleased with Midwest Mole’s successful completion of this project. We self-performed the auger bore, slipline, and bypass installation while utilizing subcontractors to drive the cofferdam sheeting, install access roads and a silt fence, and remove trees.

Project Details

  • OwnerINDOT
  • Scope250' of 144" steel casing in 14' CMP; 280' of 24" auger bore for bypass pipe to move water around existing
  • DateOctober 2020

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