Washington state construction

Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer
Barrier rolls from overpass during construction, kills young couple, infant son in Washington
Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million
avoiding struck-by incidents From our partners
Crane sends pipe careening into Seattle bus on Highway 520 bridge followed by a crashing traffic sign
Excavation stopped on Big Bertha repair pit due to major ground sinkage in area
One contractor gives another work: Seattle officials suspect construction crew responsible for dumping concrete in sewer pipe
Camera gives a live view of construction on Big Bertha's 12-story repair access pit
Before Bertha repairs begin, archaeologists will test soil for artifacts