Districts Impacted

St. Louis
Counties Impacted
St. Louis
Route Impacted
270
370
180
In Progress

Project Summary

The Missouri Department of Transportation will rehabilitate I-270 bridge approaches at Route 180 (St. Charles Rock Rd.) and Route 370.

Kozeny Wagner is the contractor on this project, which has a cost of $3,496,136.

 

Project Milestones

Complete
Contract Awarded
Winter 2022
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In Progress
Construction
Spring 2023
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Project Completed
Summer 2024
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Project Details

Map Showing Outline of Area to be Improved

Click HERE to view a complete version of this map.

 

 

 

 

I-270 at Route 180 (St. Charles Rock Rd.)

  • Replace retaining wall
  • Replace bridge approaches
  • Upgrade guardrails

I-270 at Route 370

  • Repair slide
  • Replace drainage system
  • Repair concrete slope protection

What construction impacts can drivers expect?

The southbound I-270 approaches will be replaced in two stages, while northbound I-270 will be replaced in three stages. There will be lane closures in both directions.  Temporary traffic barriers to separate traffic from the drop-off where approaches are being replaced will be in place.  Ramps may be temporarily closed for a short period.

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Who to Contact

Contact Photo
Photo of Tabitha Locke
Tabitha Locke
Title
Area Engineer, North St. Louis County
Department
St. Louis District
Contact Info

Office:  (314) 453-1749
Email:  Tabitha.Locke@modot.mo.gov