Ridge Route Condition Update – August 2023

Last weekend, we took a trip over the Ridge Route to assess damage caused by Tropical Storm Hilary. According to the LA County Department of Public Works, Sandberg and Castaic received a little over 4 inches of rain during the storm. Most of this fell in a day, which is a lot for that area. We were concerned additional damage may have occurred to the road. We were pleasantly surprised by what we found.

The storm itself caused little damage to the roadway with few exceptions. Most of the damage was localized to three locations, the Spring 2023 landslide at the south end, Swede’s Cut, and near the Liebre Maintenance Camp site. With the exception of one site, all the work that had been done at our CUTRR events was successful. The drains we cleared remained clear and worked well. We wish to thank all that have helped us with our events. We couldn’t do it without you all. We need to continue this work as well as other restoration work as time permits. Dates for upcoming events will be announced soon.

Landslide from Spring 2023. This has moved a bit more since May 2023.
Swede’s Cut in August 2023. This was cleared earlier this year but the recent storm caused more debris to collect. Still passable but narrow.

North of Reservoir Summit, the roadway degrades in quality a few times. The most notable is about 0.5 miles north of Reservoir Summit where a large amount of debris has washed down from the slope above. The drains are mostly intact with some partly blocked. Two larger mudslides partly block the roadway as well, adding to the debris problem by blocking drainage. We are working on a solution for this, which will likely be using a blade to clear the road.

Just north of Reservoir Summit, looking south.
One of the larger debris cones partially blocking the roadway. These are from earlier this year and were augmented by the tropical storm.

The northern end of the roadway from the Tumble Inn to Sandbergs is still open to traffic after the storm. However, it is not recommended for standard autos or lower clearance vehicles at this time due to the increased amount of debris on the roadway. One location in particular, shown in the photo below, makes it nearly impassible for such vehicles.

Debris crossing the roadway near Liebre Maintenance Camp. This was the site of one of our CUTRR events in October 2021. Our work did help for a while but an ever-increasing amount of sediment has once again blocked the roadway. The drain, which we cleared at that time, has remained in good shape.

Heading north toward Sandbergs, a few locations where the pavement was breaking up were noted. We are working with the USFS to get these repaired, even on a temporary basis, in the very near future.

At Horseshoe Bend, a large pothole is forming which we intend to repair as soon as possible.
Concrete and asphalt breaking up near Liebre Summit. This is one of the worst sites we plan to repair. The winter storms and the tropical storm have made this section a lot worse.

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