Posted by: Stan Russell | September 18, 2017

HIGHWAY 1 UPDATE – Monday, Sept. 18

Photos: 1-2 of Mud Creek (PM 8.9) from last Friday, Sept. 15, courtesy of John Madonna showing the north cut/seatrain and the south beach. 3-4 of Paul’s Slide (PM 21.6) from last Wednesday, Sept. 13, showing the slope at Paul’s slide. 5-8 of Pfeiffer Canyon Bridge (PM 45.52) showing the diaphragm reinforcement, the diaphragm pour on Friday, Sept. 15. Photo #8 shows underneath the bridge with the cross beams in between the girders along the temporary support structures to hold up the wood forms for concrete pouring on Monday, Sept. 11—Photos #7, 8 and video link of bridge deck and catwalk (Sept. 14)–courtesy of Kyle Evans.

HIGHWAY 1 UPDATE – Monday, Sept. 18:

Highway 1 in Monterey County continues to provide 35 total miles of Hwy. 1 to the public from south of Gorda (PM 10) to just south of Pfeiffer Canyon (PM 45.5), accessible only via Nacimiento-Fergusson Road. State Route 1 remains closed from north of Salmon (just south of the Ranger Station (PM 3) to just south of Gorda (PM 10) due to the Mud Creek event. State Route 1 south of Salmon Creek is accessible via State Route 1 in San Luis Obispo County, past Ragged Pointto Salmon Creek.

REMINDER: Travelers CANNOT travel the entire length of Highway 1 but local businesses are open on both sides of the closure points at Pfeiffer Canyon and Salmon Creek.

Mud Creek (PM 8.9)

Mud Creek had a major slide on Saturday, May 20, 2017, losing 5 million cubic yards of material. Caltrans continues with its plan to realign the existing terrain. The projected timeline to safely open to public traffic is late-summer 2018 at an estimated cost of $40 million.

There is currently no public access through the Mud Creek area since this remains an active construction zone.

Paul’s Slide (PM 21.6)

Paul’s Slide is still active but the 24/7 one-way reversing traffic control with flaggers has been replaced by a traffic signal and temporary guardrail (k-rail) in the centerline.

Pfeiffer Canyon Bridge [PCB] (PM 45.52)

The bridge construction continues with diaphragm concrete pouring and prep work continues for the bridge deck pour this Friday night, Sept. 22. NOTE: Daytime work will be light on Friday during daytime hours as the concrete pour will take place overnight—there will be noise all night into Saturday, Sept. 23. The opening of the new bridge is scheduled in mid-October.

Caltrans reminds motorists to move over and slow down when driving through highway work zones.

For more information on this project and for traffic updates on other Caltrans projects in Monterey County, residents can call the District 5 toll freenumber at 1-831-423-0396 or can visit our website at:

Susana Z. Cruz

Caltrans District 5

Public Information Officer

Portavoz de Relaciones Públicas

para Caltrans en el Distrito 5



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We welcome your feedback:



  1. Hi,
    The Nacimiento-Fergusson Road could be done with a RV class C? Safely?

    • Yes. It is a steep two lane road but it is possible.

  2. Hello,

    I’m from Chile and I’m conducting a bicycle tour along the Pacific Coast.

    I understand there are road closures in the Big Sur area, so I want to know if you suggest me to bypass this section by taking a bus/train from Monterey to San Luis Obispo, or just wait for the roads to be fixed.

    I plan to arrive to Monterey at Monday, October 9th.

    Thank you in advance and sorry if I’m using this blog improperly.


    – Daniel.

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