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Bertha’s woes grind on: more delay, higher cost for Highway 99 tunnel

Bertha’s problems will cost Washington state an estimated $223 million in cost overruns, and further delay the Highway 99 opening — until early 2019.

OLYMPIA — Tunnel-machine Bertha’s two-year breakdown will cost Washington state an estimated $223 million in cost overruns, and delay the Highway 99 tunnel grand opening even more — now until early 2019, lawmakers were told Thursday.

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