Tree briefly closes all lanes of Highway 101 near Dyerville Overlook
A 12-inch tree blocked all four lanes of Highway 101 near Dyerville Overlook, halting traffic in both directions and exposing how quickly the corridor can fail.
A roughly 12-inch tree dropped across all four lanes of Highway 101 near Dyerville Overlook on Friday afternoon, stopping traffic in both directions and briefly choking the North Coast’s main southbound and northbound route. The California Highway Patrol logged the call at 4:22 p.m. at mile marker 34.90, just south of the confluence of the South Fork Eel River and the main stem Eel River.
The obstruction was cleared within minutes, but the blockage still showed how little room Highway 101 leaves for error in Southern Humboldt. In that stretch, wind, saturated soil, roadside debris and heavy traffic can turn a single fallen tree into a regional disruption. For freight haulers, emergency responders and drivers moving between Eureka, Fortuna, Garberville and points beyond, there is no meaningful alternate corridor that can absorb a sudden closure without delay.
Weather conditions lined up with the hazard. The National Weather Service office in Eureka had forecast gusty north winds for the afternoon, and wind speeds reached as high as 31 mph when the tree came down. Kym Kemp of Redheaded Blackbelt said it was the second downed tree reported in the South Humboldt redwood corridor within hours, underscoring that the problem was not isolated to one roadside location.
The Dyerville area has a long history of tree-related Highway 101 disruptions. On Feb. 5, 2023, a tree blocked the highway near the Dyerville Overlook and Honeydew exit. On Feb. 5, 2024, another tree blocked both southbound lanes near the confluence of the South Fork and main stem Eel River. On Dec. 27, 2022, a tree fell on a vehicle near Dyerville. Each incident has pointed to the same risk: in a corridor lined with tall trees and steep terrain, a short-lived obstruction can quickly become a serious safety and mobility problem.
Caltrans’ District 1 planning work continues to treat the broader U.S. 101 corridor in Humboldt as a maintenance and climate-adaptation priority, and Friday’s stoppage explained why. Even when a closure lasts only minutes, it can ripple through a county that depends on Highway 101 as its only major north-south artery.
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