Construction/Real Estate Transportation

AHTD Dedicates Big Rock Interchange

Erica Sweeney
Written by Erica Sweeney

Main photo courtesy of Arkansas State Highway and Transportation Department 

The Arkansas State Highway and Transportation Department and members of the Arkansas State Highway Commission officially dedicated the Interstate 430/630 interchange in west Little Rock today atop the highway’s highest, but yet-to-open, flyover.

 

Little Rock Mayor Mark Stodola, along with members of the Arkansas State Highway and Transportation Department, Highway Commission and others officially dedicate the Big Rock Interchange

Little Rock Mayor Mark Stodola, along with members of the Arkansas State Highway and Transportation Department, Highway Commission and others officially dedicate the Big Rock Interchange

Planning for the project, referred to as the “Big Rock Interchange,” began in 2004, and construction started in January 2009. The total cost of the project was $150 million, said Scott Bennett, AHTD director.

The last flyover is set to open to traffic this weekend, though Randy Ort, AHTD assistant chief of administration, said contractors will need a couple of weeks longer to finish up all aspects of the project.

I-430 was completed in 1975 and cost about $67 million, Bennett said. At the time, about 14,000 vehicles a day traveled on the roadway. I-630 was completed in 1977, and had about 21,000 vehicles a day at the time.

Today, Bennett said, more than 200,000 vehicles travel on I-430 and I-630 combined.

The name “Big Rock” comes from the 5-million-pound rock formation that was uncovered during construction. According to AHTD, the design for that section was altered to leave the largest portion of the rock in place as a landmark.

Watch AHTD’s video detailing how traffic will flow once all parts of the interchange are open to traffic.  

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About the author

Erica Sweeney

Erica Sweeney

Erica Sweeney is the former editor of AMP. She now works as a freelance writer and editor based in Little Rock.

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