In July, crews performed the largest single concrete placement to happen to date in Construction Package 4 at Poso Creek. More than 100 trucks placed more than 1,000 cubic-yards to form the deck of the superstructure. In August, crews placed another 535 cubic-yards of concrete to form the east and west stemwalls.
CP 4: Poso Creek Viaduct
![poso-creek-viaduct-8](https://buildhsr.com/wp-content/uploads/2023/02/poso-creek-viaduct-8.jpg)