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bertha-resumes-digging-alaskan-way-viaduct
Bertha is nearly ready to start tunneling again (VIDEO)
Bertha delayed again; won't restart drilling until late December
Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall
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Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer
Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million
Big Bertha's delays have pushed back the opening of the tunnel it's digging by 20 months...so far
Drilling delays a problem for tunnel-boring machine Big Bertha even as she slumbers below ground
Repairs to Big Bertha will include 86 tons of steel reinforcement to tunnel-boring machine's bearing, cutter drive
Camera gives a live view of construction on Big Bertha's 12-story repair access pit