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I-64 Daniel Boone Bridge over the Missouri River

Traffic Alerts:

Updated August 6, 2014 - Traffic on eastbound I-64 before and after the Boone Bridge is shifted to the left and narrowed to 11-feet.  In addition, the speed limit in the lane shifts has been reduced to 50 mph.  There is no no lane shift on the bridge itself.  The eastbound lane shifts will remain in place until the new eastbound Boone Bridge opens. 

Updated June 6, 2014 - Traffic on westbound I-64 past the Boone Bridge is shifted to the right and the lanes are narrowed to 11-feet.  This lane shift will be in place until the summer of 2015.

             

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Rendering of the new I-64 Missouri River Bridge

Rendering of new I-64 Daniel Boone Missouri River Bridge and shared-use path

A project to construct a new Daniel Boone Bridge over the Missouri River between St. Louis and St. Charles counties has been funded.  A total of $125 million has been allocated for the project -- that includes money for utility relocation, property acquisition, design and construction of the project.

What is the construction schedule and impact to traffic?

2013 = construction begins with work on the new eastbound bridge, the Spirit of St. Louis Blvd bridge over I-64 raised and construction on a new Chesterfield Airport Road Bridge and North Outer Road connection

2014 = the new Chesterfield Airport Road bridge and interchange complete by November 2014

Late Spring 2015 = traffic on the new eastbound bridge by spring 2015

2015 = all traffic in final position in late 2015

2016 = the 1935 westbound bridge removed

Why does a new bridge need to be constructed?

The current westbound Daniel Boone Bridge was built in the mid-1930s, making it nearly 80 years old.  It was not designed for interstate level traffic and has reached a point where it needs regular preventative maintenance.  Moreover the current westbound bridge has three narrow lanes that often get congested during peak travel times.

Where will the new bridge be constructed?

The new bridge will be built upstream from the existing two bridges.  Once it is complete, eastbound I-64 traffic will use the new bridge and westbound traffic will be shifted to what is currently the eastbound bridge. 

Will the bridge include a bike-pedestrian lane?

A shared used bicycle/pedestrian trail will be built on the upstream side of the new bridge.  It will include connections off the bridge to the Monarch Levee Trail on the St. Louis County side and to the KATY Trail on the St. Charles County side.

What will happen to the current 1935 westbound bridge?

The current westbound bridge will be removed in late 2015 by the contractor.

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Walsh-Alberici Team Selected to Build New Bridge

The Missouri Highways and Transportation Commission selected the design-build contractor for the new I-64 Daniel Boone Bridge on July 10, 2012.  The Walsh-Alberici joint venture team, with designer Burns & McDonnel,l will build a new bridge to replace the 80-year old westbound bridge. The project will also include removal of the 1935 existing westbound bridge and building a new Chesterfield Airport Road interchange including connecting the North Outer Road to the westbound I-64 on ramp.  The project will build a continuous westbound fourth lane from the Chesterfield Airport Road entrance ramp westbound to the Route 94 exit ramp.  It will also add a shared use path on the new eastbound bridge connecting the KATY trail to the Monarch Levee Trail.

I-64 Daniel Boone Design-Build Procurement Information

The following exhibits from the contractor team show the $111 million Design-Build plans:

Construction schedule details (pdf)

Construction timeline (pdf)

Cross section typical on the bridge (pdf)

Elevation view in the river (pdf)

Overall project scope (pdf)

Rendering of new bridge looking east toward St Louis (pdf)

Rendering of new bridge looking west toward St Charles (pdf)

Scenic bike/pedestrian trail bridge overlook (pdf)

Use of all three bridges during construction phases (pdf)

Document Library

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Construction Progress Photos (updated June 11, 2014):

 

Girders

 

To see more project construction photos on FLICKR, click here.

To see aerial photos of Boone Bridge construction taken April 2014, click here.

To view MoDOT's live construction camera on the St. Charles County end of the bridge, click here.  The camera takes a photograph every 20 minutes or so. 

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Sign up for e-updates

MoDOT wants to ensure all stakeholders stay updated about the project. We will send out periodic "e-updates" via e-mail when new information is available. If you would like to be added to this list, please send an e-mail to Boone.Bridge@modot.mo.gov. If you do not have access to e-mail, you can call MoDOT toll-free at 1-888-ASK MODOT (275-6636) for updates on the project.

For more information

Contact Project Director Jim Gremaud at 888-ASK-MODOT (275-6636) or by e-mail at Boone.Bridge@modot.mo.gov.

 
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