in the ephemeral stream channel upstream of the newly installed concrete ford in Placer Creek, rather than being continuously transported across the structure when the stream is flowing. Engineers should have matched the elevation of the stream bed rather than maintain the road grade at the crossing. While this structure isn’t going anywhere in future floods, it will require maintenance after each event in clearing accumulated sediment, in perpetuity. It could have been self-maintaining, so let’s see how it performs over the next decade.
The brand-spanking-new $188,889 mega-concrete stream crossing structure on Placer Creek at the entrance of Round Mountain State Park.