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Project Description
Construction work on the Lafayette Street interchange project has begun in Jefferson City. This project is a large two-year project encompassing multiple improvements along U.S. Route 50 near Lafayette Street, including:

• A new interchange at U.S. Route 50 and Lafayette Street
• The addition of a lane in each direction on Route 50 (Whitton Expressway) from Monroe Street to Lafayette Street and from Lafayette to Clark Avenue.
• The replacement of three bridges along the corridor: the Chestnut Street bridge over Route 50, the Jackson Street bridge over Route 50 and the Route 50 bridge over Lafayette Street.
• Two new bridges will be built as part of the ramps on the new Route 50 interchange.
• Reconstruction of pavement on Lafayette Street from Elm Street to East Handley Way.
• The Clark Avenue bridge over Route 50 will be rehabilitated. Pavement north and south of the bridge to the ramp intersections will also be reconstructed.

Project Information
Contractor: Emery Sapp and Sons, Inc.
Contract Cost: Estimated $20 million
MoDOT Project Administration: Jefferson City Project Office 
Estimated Completion Date: Fall of 2016

Weekly Project Updates

All work listed below is subject to change
depending on weather conditions

Clark Avenue Overpass Closed for 45 Days

Lafayette Street Interchange is OPEN

On the heels of the opening of the new U.S. Route 50/63 interchange at Lafayette Street comes the closure of the Clark Avenue bridge over U.S. Route 50/63 in Jefferson City. The overpass closed Monday, Sept. 19 for 45 days to get a new driving surface and undergo repairs. The pavement on either side of the bridge will also be repaired as part of the rehabilitation. The Route 50/63 on- and off-ramps at Clark Avenue will remain open until Monday, Oct. 3, when they will close for the remaining 30 days of the 45-day closure.

Chestnut Street is also closed until 6 p.m. Friday, Sept. 23. The street will be closed from East Miller to East Elm to install aesthetic concrete pylons on all four corners of the new bridge.

Email Updates

If you would like to receive detailed weekly email updates on this project, please enter your email address in the field below (email updates set to begin the week of Jan. 12):

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soundwall photoSoundwalls on the Lafayette Street Interchange Project

Federal regulations required a noise analysis to be conducted on this project because of the addition of auxiliary lanes. Any place (residence, park, etc.) impacted by highway traffic noise was considered for a sound wall.

After analyzing the project area, three places were found to be eligible for a sound wall per state and federal policies. Two of the three areas were approved by a vote of the owners and renter residents. (MORE)

 

 


 

Lafayette Street Interchange Project/
U.S. Route 50 (Whitton Expressway) Roadway Improvements
Community Briefing - Discussion of Whitton Expressway Traffic Management Plan
 
The Missouri Department of Transportation held a community briefing on Thursday, May 29, 2014 to discuss the traffic management plan during improvements to the Lafayette Interchange/Whitton Expressway (Route 50) in Jefferson City.

Here were the materials that were presented at the meeting. They can be downloaded below in a PDF format:

Whitton Expressway Construction Phase Maps (PDF)

Construction Phase One
Construction Phase Two

Construction Phase Three (Revised)

Construction Phase Four
Construction Phase Five

Construction Phase Six

GroundLafayette1219250Notable Project Press Releases

 

 

 

 

 

 
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