West Seattle Bridge Closure:
SDOT Explains New Monitoring System


One week after SDOT went public with some details of its emergency plan in case of West Seattle Bridge failure or imminent failure (WSB coverage here), it’s just published a close-up look at the new monitoring system. The graphic above is from the new SDOT Blog update, which also includes photos of some of the monitoring equipment.

Also explained – the monitoring is also key to the biggest decision yet to be made. Three main purposes are listed:*Keep us informed on how the bridge reacts to environmental changes, bridge stabilization measures, temporary shoring, and potential future repairs.*Give us a better indication of bridge distress that could warn of impending failure.

*Guide us to a decision about the technical feasibility of repair or replacement.SDOT says the system includes cameras, movement sensors, and crack monitors, noting.

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