Updated Traffic Advisory Merced County 07/28/25

Rest Area & Lane/Ramp Closures
Interstate 5 And State Routes 59, 99, 140 & 165

Merced County- The California Department of Transportation (Caltrans) will perform various closures on Inte6rstate 5 (I-5), and State Route 59 (SR-59), SR-99, SR-140 and SR-165 for maintenance and construction operations. Work is scheduled to occur as follows:

Interstate 5

• Full closure of the John C. Erreca Rest Areas on northbound and southbound I-5 beginning Monday, April 4, 2022, through August 31, 2025.
• • ALTERNATE LOCATIONS: Motorists are advised to use the Coalinga-Avenal Rest Area (Fresno/Kings County line).

State Route 59

• Long-term lane/shoulder closures northbound and southbound 16th Street Bridge for bridge work beginning Monday, February 10 at 8:00 p.m. through Wednesday, December 31, 2025, at 11:00 p.m.

State Route 99

• Full off-ramp closure southbound SR-99 at South Avenue Over-Crossing for landscape/irrigation work on Tuesday, July 29, 2025, from 9:00 a.m. until 1:00 p.m.
• Full on-ramp closure southbound SR-99 at South Avenue Over-Crossing for landscape/irrigation work on Wednesday, July 30, 2025, from 9:00 a.m. until 1:00 p.m.
• Alternating lane closures northbound SR-99 from Bert Crane Road to the Merced/Stanislaus County Line for sweeping work beginning Monday, July 28, 2025, through Tuesday, July 29, 2025, from 8:00 a.m. until 3:00 p.m.
• Alternating lane closures southbound SR-99 from the Merced/Stanislaus County Line to the West Atwater Over-Head for sweeping work beginning Wednesday, July 30, 2025, through Thursday, July 31, 2025, from 8:00 a.m. until 3:00 p.m.

State Route 140

• One-way traffic control from South Avenue to Sixth Avenue/Fourth Street for utility work beginning Monday, July 28, 2025, through Friday, August 1, 2025, from 9:00 a.m. until 3:00 p.m.

State Route 165

• One-way traffic control from Mercy Springs Road Over-Crossing to Charleston Avenue for highway construction work beginning Tuesday, July 29, through Wednesday, July 30, 2025, from 10:00 p.m. to 6:00 a.m.
• One-way traffic control from Charleston Avenue to Middle Road for highway construction work beginning Wednesday, July 30, through Thursday, July 31, 2025, from 10:00 p.m. to 6:00 a.m.
• One-way traffic control from Mercy Springs Road Over-Crossing to California Aqueduct Bridge for highway construction work beginning Tuesday, July 29, 2025, through Wednesday, July 30, 2025, from 10:00 p.m. until 6:00 a.m.
• One-way traffic control at Greer Avenue for utility work beginning Tuesday, July 29, 2025, through Wednesday, July 30, 2025, from 8:00 p.m. until 6:00 a.m.

Motorists should expect 5-to-10-minute delays and use alternate routes whenever possible. All work is scheduled to occur as listed but is subject to change due to traffic incidents, weather, availability of equipment/materials, and construction-related issues.

For the safety of workers and other motorists, please Be Work Zone Alert. For the latest highway conditions, visit quickmap.dot.ca.gov