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Contra Costa County Public Works will repair a damaged culvert and sinkhole under Springbrook Road near Sherwood Way from October 1 through November 30, 2026.

By Walnut Creek Times
Published October 1, 2026 at 10:11 PM PDT · 1 min read

Flat red geometric barrier with white stripes crosses over a dark blue road with white dashed lines and orange edge on light beige background

Contra Costa County Public Works will repair a damaged culvert and sinkhole under Springbrook Road near Sherwood Way from October 1 through November 30, 2026, according to Contra Costa County.

Construction will occur from 7:00 a.m. to 5:00 p.m., Monday through Friday, excluding holidays, weather permitting. Springbrook Road will be closed to through traffic between east of Sherwood Way and south of the project site during working hours, according to Contra Costa County.

Residents along the closure may experience delays of up to 15 minutes, according to Contra Costa County.

Funding for the project is provided by Federal Emergency Relief Funds and Local Road Funds, according to Contra Costa County.

Sources

Springbrook Road Culvert and Sinkhole Repair Project

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The world's largest bounce house, a 50,000-square-foot inflatable with a 900-foot obstacle course, will operate at Contra Costa Fair and Event Park in Antioch on October 17–18 and October 24–25, 2026.

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