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A proposed Missouri Department of Transportation spending plan spanning the next five years calls for $3.97 billion in construction work, the bulk of which will be used for maintenance.

That plan includes a $118 million project to upgrade portions of the north corridor of Interstate 270 in St. Louis County, including pavement work and bridge improvements. The project was highlighted as a priority in the East-West Gateway Council of Governments’ most recent long-range plan. It could be a “design-build” project, in which MoDOT would set the project’s goals and budget, and the contractor that best meets those goals within budget would craft its design and schedule.

Interstate 270 also could get $12 million in pavement work between Interstates 44 and 55, as well as an additional $19 million for more pavement work and barrier wall improvements between Interstate 170 and the Chain of Rocks Bridge.

The funding plan also calls for nearly $20 million in pavement work on Interstate 270 from Highway 364 to Interstate 44.

Other proposed local projects include tens of millions of dollars of work on the Poplar Street Bridge, and $14 million in bridge work along Interstate 55 from Virginia Avenue to Arsenal Street in St. Louis.

The list of projects in St. Charles County includes $13.6 million of work on U.S. Highway 61, which would get safety improvements at median crossovers from north of Peine Road to north of Highway A in Wentzville. And Interstate 70 would get $12 million of pavement work from just west of Wentzville Parkway to Lake Saint Louis Boulevard.

Click here to see a complete list of the projects being proposed for the St. Louis region.

The overwhelming majority of projects in the plan — 88 percent — are designed to take care of MoDOT’s existing system.

MoDOT said in a news release Wednesday that “changing economic conditions” make the outlook for the next five years, outlined in what’s known as the statewide transportation improvement program, more robust than previous years.

Those conditions include increased state revenues, predictable funding as a result of the passage of a federal transportation bill in December and MoDOT’s efforts to seek federal reimbursement for preventive maintenance work, MoDOT said.

The agency said it will continue with its plan to dip heavily into its cash reserves to secure federal matching funds in coming years. And it says it still doesn’t have the money needed to reconstruct Interstate 70, which has been described by a Missouri Highways and Transportation Commission member as teeth rotting at the roots, but covered by a veneer.

To see the entire plan, go to To make a comment, email MoDOT at, call 1-888-ASK-MoDOT or send a letter to Transportation Planning, Program Comments, P.O. Box 270, Jefferson City, Mo. 65102.

The comment period ends June 10. The highways and transportation commission is expected to vote on the plan at its July 7 meeting.

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