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
Project Details
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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.
Who to Contact

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