The California High-Speed Rail Authority (Authority) announced on August 21, 2025, the completion of the Avenue 88 Grade Separation. Avenue 88 is the 57th structure to be completed in the Central Valley, the seventh structure to be opened to traffic this year and the second structure to be completed in Tulare County.
Located near State Route 43 (SR 43), the overpass spans 485 feet long and more than 32 feet wide. The grade separation will now take traffic over SR 43 along with the BNSF railroad and future high-speed rail tracks.
The structure is comprised of 20 pre-cast concrete girders ranging from 59 and 141 feet long, all of which were manufactured by contractor Dragados-Flatiron Joint Venture in Hanford, Calif.
The structure is also comprised of 528,689 pounds of steel and 2,109 cubic yards of concrete.
