PROJECT: I-81/SR-34 Interchange - Exit 4 - Jefferson Co., TN

CLIENT: Tennessee Department of Transportation

Vaughn & Melton was contracted by the Tennessee Department of Transportation to perform design services for the I-81/SR-341 interchange design.  SR-341 was upgraded to four traffic lanes with a continuous turn lane.  Vaughn & Melton was responsible for the redesign of the interchange including grades, drainage, erosion protection and phasing of construction under traffic.


The SR-341 typical curb and gutter section was extended through the I-81 interchange at White Pine.  The existing deficient structures for I-81 were replaced with two 3-lane bridges elevated 3-feet above the profile.  Special consideration was given to the maintenance of traffic on I-81, SR-341, and the ramps during construction.  The final project cost was approximately $17 million.

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