Columbia I-70 Bridges Design-Build Project – Benefits of Transportation

In Missouri, drivers are enjoying traveling a safer I-70 near Columbia thanks to a $17.5 million design-build project.

The challenge for the Missouri Department of Transportation was keeping 80,000 vehicles a day moving on that cross-state interstate while replacing a number of aging and deteriorating bridges and improving two major interchanges.

The Columbia I-70 Bridges Design-Build project, completed in August 2016, included replacing bridges on Interstate 70 at Garth Avenue, Range Line Street, and Business Loop 70/West Boulevard in Columbia. Improving the interchanges at Range Line Street and Business Loop was also part of the design-build project.

Sliding bridges, dual-lane roundabouts, and a dog-bone interchange were just some of the components of this fast-paced, innovative project. Several of the new bridges were built next to the existing structures and slid into place to minimize closures on I-70 and affected city streets.

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2021

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2020