Partial lane closures will be in effect to complete bridge improvements.
OC Public Works will perform bridge maintenance repairs at Santiago Canyon Bridge over Williams Canyon Creek ito enhance safety and extend the lifespan of the bridge. Temporary lane closures will be in effect during working hours.
WHAT
Maintenance activities will include repairing bridge areas, rock slope, and asphalt concrete and installing polyester concrete, a new oversize drain and a bridge sign.
• Loud noise and vibration are expected during construction.
• Residents of Santiago Canyon, Silverado Canyon, and other Santiago Canyon Road users should expect brief delays.
• Traffic control measures such as construction signs and flag personnel will be present during working hours.
• Please follow direction of traffic control safety flag personnel and observe project signs and barriers.
WHEN
Anticipated Construction Duration
October 19 - November, 2026
Working Days and Hours
Monday - Friday, 7:00 a.m. - 5:00 p.m.
The construction schedule is tentative and subject to change due to weather and other factors.
WHERE
CONTACT INFO
| Sr. Construction Inspector: Gabriel Villafan 657-850-1676 | pw.oc.gov | |
| Supervising Construction Inspector: Mike Alfaro 714-448-0804 | projectinfo@pw.oc.gov |