Widening the I-405 bridge over Oakesdale Way.
Two cranes work to pour the base of one of the piers that will eventually support the new I-405 bridge over Oakesdale Way and Springbrook Creek.
A worker in a cherry picker helps direct the flow of concrete into the shaft. The cranes pull the large metal casing out while concrete fills the shaft in the ground.
Strengthening a Seattle Public Utility water main
In January, construction crews began work to re-line a Seattle Public Utility water main pipe. The pipe runs parallel to I-405 and Tukwila Parkway. It's being strengthened to protect it from the weight of construction equipment for the freeway widening and a future retaining wall along I-405.
The trackhoe operator exposes part of the SPU water main between I-405 and Tukwila Parkway.
The west end of the construction pipe lining project.
Night work
Construction crews cover a newly poured concrete barrier in the median of SR 167. The cover helps the concrete cure while keeping it out of the rain.
Electrical crews set up temporary light poles for I-405 in Renton and Tukwila.