Counties Impacted
Boone
Route Impacted
70
Completed

The Columbia I-70 Bridges Project was an $18 million design-build project to replace the I-70 bridges over Business Loop 70/West Boulevard, Garth Avenue, and MO Route 763/Rangeline Street in Columbia, Mo.  Design-build is a project delivery method that combines both the design and construction phases into one contract to save time and resources.

  AGC Highway & Transportation Renovation Award

  MO/KAN ACPA Excellence In Paving For Municipal Street And Intersections Award

  2017 MO ACEC Engineering Excellence Grand Award

  2017 ACEC National Recognition Of Engineering Excellence Award

  2017 DBIA Mid-America Excellence In Design Award

Project Need

  • Built in 1957, the bridges carry an average of 80,000 vehicles a day.
  • Currently all are in poor condition, though safe for travel.
  • The bridge decks require continual maintenance.
  • The bridges would be very difficult to rehabilitate, which is why they are being replaced.

Project Goals

  • Deliver the project within program budget of $18 million.
  • Construct bridges on Interstate 70 at Bus Loop70/West Blvd., Garth Ave., and MO Route 763/Rangeline that provide long term service and will be compatible with future expansion.
  • Minimize traffic impacts while maximizing capacity and mobility for the area.
  • Maximize safety for the workers and commuters.
  • Complete the project by October 1, 2016.
  • Provide a project team that reflects the diversity of the community.

Project Timeline

  • Aggressive schedule will minimize traffic impacts
  • Construction will begin in late summer 2015.
  • Project to be completed in fall 2016.
  • Ribbon Cutting Set for Columbia I-70 Bridges Project

    09/01/2016

    COLUMBIA, Mo. – A ribbon cutting to celebrate the completion of the Columbia I-70 bridges project has been set for 10:30 a.m. on Friday, Aug. 26 in the parking lot of Aldi’s, 807 Business Loop 70 West.

    The public is invited to attend the ceremony.

    ...

  • Ceremony Marks Completion of Columbia I-70 Bridges Project

    09/01/2016

    How do you keep 80,000 vehicles a day moving on a cross-state interstate while replacing several aging and deteriorating bridges and improving two major interchanges?

    That’s the challenge the Missouri Department of Transportation, Emery Sapp and...

  • New Business Loop Interchange Will Make Debut on Wednesday

    08/01/2016

    COLUMBIA, Mo. – Two dual-lane roundabouts, along with an improved configuration, will move traffic faster and more safely through the highly traveled Business Loop 70/West Boulevard interchange, which will open to traffic at 5 p.m. on Wednesday.

    The...

  • Business Loop 70 on Target to Open July 27

    08/01/2016

    COLUMBIA, Mo. – Contractor Emery Sapp and Sons is on schedule to finish work on the new Business Loop 70/West Boulevard interchange on July 27. Until then, all on- and off- ramps at Interstate 70 and Business Loop remain closed.

    Those heading to...

  • Reminder: Range Line Bridge Slide Set for Saturday

    07/01/2016

    COLUMBIA, Mo. – A new bridge that will carry Interstate 70 over Range Line Street in Columbia will be slid into place tomorrow morning. Here’s a look at the ramp and lane closures that will take place:

    Friday, June 3

    6 p.m. - Range Line Street at I...

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