Illinois DOT Wraps I-255 Project Six Weeks Early

The Illinois Department of Transportation recently completed the $65.4 million second phase of its I-255 project in St. Claire County six weeks early.

[Above photo by Illinois DOT]

Finished 47 days ahead of the original anticipated July 31 completion date, the project rehabilitated and resurfaced approximately 3.5 miles of I-255 in both directions between the state routes of Illinois 157 and Illinois 15. The interstate closed on February 1 for this work.

Work included bridge repairs, safety upgrades, new lighting and guardrails, improved signage and drainage as well as replacement of badly deteriorated pavement dating back to when I-255 was first built in 1984. Prior to those improvements, that section between Illinois 157 and Illinois 15 required frequent unscheduled lane closures for emergency repairs.

Also, by completely closing the highway instead of accommodating traffic and spreading the project over multiple construction seasons, the improvements were completed faster, cheaper, and safer – saving an estimated $10 million.

“Under the governor’s leadership, we are finding new ways to speed up projects to minimize the inconvenience of construction so you can experience the benefits sooner,” said Gia Biagi, secretary of the Illinois DOT, in a statement. “The I-255 project has been a success story that we will look to duplicate throughout the state.”

Illinois DOT noted that the $67 million first phase of the I-255 project – 7.5 miles between Collinsville Road and Illinois 15 – wrapped up in 2020 almost a month ahead of schedule. That phase of the project was also completed in one construction season by closing the highway work zone to traffic; reducing the overall cost by $14 million.

The agency added that the remaining three phases to improve I-255 will continue the work between the Mississippi River and Illinois 157. However, dates and timelines are still to be determined for that work, it said.

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