Humboldt Bay Trail closes June 4-5 for ADA slope repairs
A two-day closure will cut the Humboldt Bay Trail between Brainard Mill Site and Bracut Industrial Park for ADA slope repairs. Cyclists, walkers and commuters will need posted detours June 4-5.
Cyclists, commuters, wheelchair users and pedestrians who depend on the Humboldt Bay Trail between the Brainard Mill Site and the Bracut Industrial Park will lose that bayfront connection from 7:00 a.m. Thursday, June 4, through 5:00 p.m. Friday, June 5, while Humboldt County crews repair the surface and keep traffic moving through posted detours.
The county says the work will remove and replace localized asphalt so the trail meets Americans with Disabilities Act slope requirements. This is not an emergency fix and not a sign the trail is failing. After construction, Public Works measured the alignment in detail and found sections that needed to be flattened so the cross-slope stays within the ADA’s two-percent guideline, according to Hank Seemann, Humboldt County’s deputy director of Public Works and the staff member most directly tied to trail work.
That matters because the Humboldt Bay Trail is more than a scenic path along the water. For many people in Eureka and Arcata, it is a car-free commuting route, a flat surface for daily rides and walks, and a link into the wider trail system around Humboldt Bay. The county’s trail page says the completed Eureka-to-Arcata segment is 4.3 miles long and opened in 2025, tying together about seven miles of Eureka Waterfront Trail with about four miles of Arcata trail into one continuous corridor along the bay.
The closure also sits inside a larger build-out that has been years in the making. Construction on the Humboldt Bay Trail South “missing link” began in 2023, with earlier project materials describing a route that would connect Bracut to the Eureka Waterfront Trail and follow the levee around the Brainard Mill property. The county’s own materials say the finished connection links the existing trails in Eureka and Arcata, turning what had been disconnected pieces into a single regional route.
During the two-day closure, trail users should follow posted detours and obey traffic control devices. Humboldt County Public Works said questions can be directed to 707-445-7448, a number that will likely be useful to anyone planning a commute, a school run or a ride along the bay during the repair window.
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