April Lunch Program

The American River Debris Removal Project traces its origins to the catastrophic December 1964 flood, when the incomplete Hell Hole Dam failed and a surge of water moved downstream, washing out the Highway 49 Bridge at the American River Confluence and scattering large structural debris throughout a remote stretch of the river corridor. For decades, this legacy debris remained embedded in the river, largely inaccessible and unaddressed.

About 60 years later, renewed attention from Protect American River Canyons, in partnership with the County, helped secure State funding to finally implement removal. This presentation tells the chronological story of how a historic flood event evolved into a modern public works project, highlighting the challenges of regulatory coordination, access, and field execution in an environmentally sensitive setting. Presented from a public works project management perspective, it offers practical lessons in interagency collaboration, adaptive decision-making, and delivering a unique, atypical project shaped by…