CHSRA Wraps Up Two Grade Separation Projects

Written by Marybeth Luczak, Executive Editor, Railway Age
Dover Avenue Grade Separation in Kings County. (CHSRA Photograph)
Dover Avenue Grade Separation in Kings County. (CHSRA Photograph)

The Dover Avenue and Idaho Avenue grade separations in Kings County have been completed for the California High-Speed Rail Authority (CHSRA), whose 119-mile Central Valley segment is under construction.

CHSRA Project Map

The new overcrossings are now open to traffic, CHSRA and contractor Dragados-Flatiron Joint Venture reported May 3.

The Dover Avenue Grade Separation is located between Seventh and Ninth avenues, east of State Route (SR) 43, and spans 227 feet and is 43 feet wide. (Last spring, 12 pre-cast concrete girders were placed to form the superstructure.)

Work was expedited by the contractor to complete the Idaho Avenue Grade Separation and mitigate flooding, according to CHSRA. The overcrossing is located further south, between SR 43 and Seventh Avenue. It spans 205 feet and is 40 feet wide. (In May 2021, crews placed 270 cubic-yards of concrete for the deck of the superstructure, which comprises five pre-cast girders.)

Both structures will take traffic over the future high-speed rail lines.

Idaho Avenue Grade Separation in Kings County. (CHSRA Photograph)

Among the small businesses that took part in construction are Katch Environmental, G&J Heavy Haul, Forefront Deep Foundations, Allied Concrete, Safety Striping, Dees Burke Engineering, Bubba’s Water Truck, Trahan Enterprises, Tommy’s Water Truck, Leo Tidewell Excavation, Avila Construction Services, Alert-O-Lite, Hunsaker Safety & Sign, Klug Engineering, Zikov Engineering, and Morrris Engineering.

“The opening of these structures provides a direct link to the surrounding communities, enabling farmers and businesses to easily access their fields and customers,” said Sean Lind, Project Director for Dragados-Flatiron Joint Venture. “The new bridges also provide an easy, additional route for residents and emergency responders as the Valley continues to address the current and any future floods.”

According to CHSRA, six structures have now been completed and opened to traffic within Kings County.

Separately, CHSRA recently released its 2023 Project Update Report. Download below.

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