Traffic Advisory: Avoid I-5 Southbound Near Southcenter This Weekend

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We here at the B-Town Blog are as sick and tired of these ding-dang traffic construction nightmares as you are, so we’re passing along this critical, headache-avoidance advisory:
S. 178th Street Bridge DamageAvoid driving I-5 Southbound near Southcenter this weekend!

Crews will conduct a rolling slowdown on southbound I-5 near S. 178th Street at 3 a.m. this Sunday morning, March 2nd to install the replacement bridge girder.

S. 178th Street over I-5 has been narrowed back to one lane of alternating traffic using a smart signal that detects traffic back-ups and automatically adjusts signal timing to ease congestion.

S. 178th Street over I-5 will also be completely closed Saturday night from 10 p.m. to 8 a.m. the following morning.

On Dec. 13, 2006 a truck struck the S. 178th street overpass. The impact damaged a girder underneath the structure. Bridge inspectors found the bridge safe for drivers but decided to restrict traffic to prevent more damage to the girder.
S. 178th Street Bridge Damage
Crews must replace the girder to return traffic to normal on this highly traveled overpass between Tukwila and SeaTac.

Crews will replace the damaged girder under the S. 178th street overpass. The bridge deck will also be repaired.

Completing repairs will return the overpass to normal capacity for drivers traveling between SeaTac and Tukwila.

Replacing the girder will ensure that the overpass remains safe for drivers on S. 178th and on I-5 in the future.

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