Crews respond to sinkhole in Seattle's Madison Valley

SEATTLE - Crews are responding to a sinkhole that opened up Saturday along 40th Avenue near East Olive Street in Seattle's Madison Valley.

Workers with the King County Wastewater Treatment Division are on the scene to cover the sinkhole with steel plates so traffic flow can continue through the neighborhood, said spokesman Doug Williams.

Outreach employees also are going door-to-door along 40th Avenue to provide information about the work that will be taking place in the neighborhood to repair the sinkhole.

The sinkhole is about five feet wide and four feet deep, and surrounds a manhole cover. Crews have not yet determined the cause of the sinkhole, but they don't believe that the sewer line running down 40th Avenue is broken.

There are several other buried pipes that run through the area, including sewer and water pipes, and it has not yet been determined whether one of the pipes has broken.

King County Wastewater Treatment Division is committed to protecting public health and the environment by piping and treating the wastewater generated from the people who live and work in our region every day.