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Interstate 64 Chesterfield Parkway West Bridge Replacement

What's new?

Construction around Chesterfield Parkway West

Construction around the Chesterfield Parkway West bridge. For more photos, click here.


The I-64 Chesterfield Parkway West bridge project involves the demolition and replacement of the bridge over I-64 in the city of Chesterfield. The new bridge will increase the number of lanes from five to eight, with eight-foot sidewalks on both sides of the bridge. Construction has started on the project and will include a four-month closure of the bridge over I-64, currently scheduled to start April 1, 2014.  Completion of the $4.2 million bridge replacement is expected in fall 2014.  This bridge is located near Chesterfield Mall (on the south side of I-64) and Chesterfield City Hall (on the north side of I-64). The new bridge is open to traffic.


The project is partially funded by Reinsurance Group of America, which will open its new headquarters on Chesterfield Parkway West in fall 2014.

Chesterfield Parkway West Bridge Replacement Design

Design Plan for the Replacement Bridge (pdf)

2014 Construction Schedule (pdf)

Detour During Four-Month Bridge Closure (pdf)

Project Fact Sheet (pdf)


Why Are the Bridge Improvements Needed?

The existing Chesterfield Parkway West bridge is narrow with inadequate turning lanes.  It has congestion during rush hour with traffic trying to access the many businesses and homes in the immediate area.  The bridge also has a vertical clearance issue.  RGA is building its new headquarters at the north end of the bridge set to open in fall 2014 bringing 300 new jobs to this busy interchange. 

What will be built?

The $4.2 million project will replace the existing Chesterfield Parkway West bridge with a new wider bridge.  The new bridge will have eight total lanes, including two lanes in each direction plus dual left turn lanes northbound to turn onto westbound I-64.  The bridge will also have an eight-foot sidewalk in each direction.  The improvements are partially funded by RGA.

When Will Construction Begin?

The contractor was hired in December 2013 and will start work in February 2014.  We expect construction activities to get busy in late winter.  The construction will include a maximum four-month closure of the Chesterfield Parkway West bridge over I-64 from April 1 through July 31, 2014.  Construction will be complete in fall 2014.

How Will Traffic Be Impacted?

During the four-month closure of the bridge, motorists will need to use Route 340 (Olive/Clarkson Road) or Chesterfield Parkway East to cross I-64.  Motorists will be able to use the on and off ramps for Chesterfield Parkway West at I-64, but they will not be able to cross I-64 for four months. There will also be a closure of I-64 for one weekend in the spring for the demolition of the bridge.

For More Information Contact:

MoDOT Southwest St Louis County Area Engineer Michelle Voegele at michelle.voegele@modot.mo.gov

MoDOT Design Project Manager Tom Montes-De-Oca at thomas.montes-de-oca@modot.mo.gov.

Both can be reached by phone at 314-275-1500 or toll free at 1-888-ASK-MODOT (275-6636).

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