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Front Page - Friday, April 24, 2020

TDOT contractor begins replacing Belvoir I-24 bridges

TDOT contract crews have begun replacing the bridges over and on I-24 near mile marker 183 in Chattanooga. Built in the 1960s, the bridge on Belvoir Avenue and the bridges over Germantown Road will be replaced using both traditional techniques and a process called “accelerated bridge construction.”

ABC requires short-term, total road closures to allow crews the space to do their jobs and work around the clock. The closures will also allow construction to be completed quicker, TDOT says in a press release.

The I-24 bridge replacement project will be completed under a construction manager/general contractor contract. The CM/GC project delivery method involves a contractor in the design and construction phases of the project.

The replacement of the Belvoir Avenue Bridge over I-24 began April 20. During this work, Belvoir Avenue will be closed to traffic between the intersections of North Terrace and South Terrace. North Terrace and South Terrace will be used as detour routes during the closure. The replacement of Belvoir Avenue Bridge is slated for completion by winter 2020.

The I-24 bridges over Germantown Road will be replaced using ABC techniques. The contractor will begin work underneath the existing bridges during the construction of the Belvoir Avenue bridge. During the spring of 2021, four weekend closures will be utilized to complete the bridge replacements, which will detour traffic on to North and South Terrace.

The construction manager is Bell & Associates Construction and the design manager is Barge Design Solutions. The entire project is expected to be completed in August 2021.

To include the I-24 bridge replacement project work zone, the 45-mph reduced speed limit in place for the I75/I24 interchange modification project will be extended on I-24 to near the Fourth Avenue interchange at Exit 181.

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Source: TDOT