WHAT YOU NEED TO KNOW: California high-speed rail construction progress continues to gain momentum with four more structures completed in the Central Valley, marking eight completed so far in 2026.
KINGS AND TULARE COUNTIES, Calif. – The California High-Speed Rail Authority (Authority) today announced the completion of four new structures in Kings and Tulare counties, bringing the total number of structures completed in 2026 alone to eight.
– Ed Fenn, Chief of Construction for the Authority
Structure Completions
The Authority has now constructed 66 structures along the first 119 miles of construction in the Central Valley. The four completed structures are as follows:
State Route 43 (SR 43) Curved Bridge
Located north of the city of Corcoran, this grade separation structure spans 660 feet long, is 45 feet wide and 60 feet at its highest point and will take vehicular traffic over the future high-speed rail tracks. It contains 1,507,768 pounds of steel and more than 4,200 cubic yards of concrete.
“The State Route 43 Curved Bridge will improve the safety of Kings County residents driving along the highway between Hanford and Corcoran. This is the third structure to open in Kings County this summer and shows the progress the Authority continues to make as it continues Central Valley construction.”
-Richard Valle, Kings County Supervisor
Cross Creek Viaduct
Located west of SR 43 and north of the completed Curved Bridge grade separation, this structure spans more than 2,500 feet and will carry future high-speed trains over the waterway. It contains nearly 11,500 cubic yards of concrete, 7,708,459 pounds of steel, and 222 California Wide Flange girders manufactured by the Authority’s Construction Package 2-3 contractor Dragados-Flatiron Joint Venture in Hanford.
Tule River Viaduct
Located in Tulare County, this combination viaduct pergola structure spans 3,573 feet and will carry future high-speed trains over SR 43, the Tule River, and existing freight tracks. It contains 38 tub girders, 23,240,933 pounds of steel, and 264 California Wide Flange girders manufactured by the Authority’s Construction Package 2-3 contractor Dragados-Flatiron Joint Venture in Hanford.
Avenue 136 Underpass
Located just south of the Tule River Viaduct in Tulare County, this structure spans 55 feet and will carry future high-speed trains over two way traffic. It is a cast-in-place structure and contains 510,000 pounds of rebar and 1,470 cubic yards of concrete.
Source: CA. HSR
