As construction continues on the I-10 Express Lanes, crews are working throughout the ten-mile corridor on demolition and reconstruction of bridges, retaining walls, sound walls, utility relocation, and pavement rehabilitation. There will be several local street and ramp modifications, freeway closures, 55-hour lane and ramp closures, and 10-day ramp closures. Dates are subject to change. Additional information including schedules and locations will be shared and posted to the project Google Map at goSBCTA.com/i10corridor. Upcoming activities include:

Upcoming 55-Hour Freeway Lane and Ramp Closures For Paving



Scheduled to begin Friday, November 18 and during three consecutive weekends in December, three lanes of westbound (WB) or eastbound (EB) between 4th Street and Euclid Avenue will be closed. Two lanes will remain open. On- and off-ramps will be closed as listed and detour routes will be posted:

• Friday, November 18 at 10:00 p.m. through November 21 at 5:00 a.m. three lanes of WB I-10 will be closed from just past 4th Street for approximately 1/2 mile. WB I-10 4th Street on-ramp will be closed.
• Friday, December 2 at 10:00 p.m. through Monday, December 5 at 5:00 a.m. three lanes of WB I-10 will be closed approaching the Euclid Avenue off-ramp for approximately 1/2 mile. The WB I-10 4th Street on-ramp will be closed.
• Friday, December 9 at 10:00 p.m. through Monday, December 12 at 5:00 a.m. three lanes of EB I-10 will be closed from the Euclid Avenue on-ramp for approximately 1/2 mile. The EB I-10 Euclid Avenue on-ramp and 4th Street off-ramp will be closed.
• Friday, December 16 at 10:00 pm. through Monday, December 19 at 5:00 a.m. three lanes of EB I-10 from the EB I-10 Euclid Avenue on-ramp for approximately 1/2 mile. The EB I-10 Euclid Avenue on-ramp and 4th Street off-ramp will be closed.

Construction will generally occur Monday through Friday during daytime (6:00 a.m. to 4:00 p.m.) and nighttime (9:00 p.m. to 5:00 a.m.) hours, except as noted. All construction is dynamic and the schedule is subject to change. Please check the Google Map for the most updated closure and detour information.

Eighteen bridges throughout the corridor are being replaced, widened, or improved to accommodate the widening of the freeway. Work on the bridges may be loud and you may feel vibration at times during both daytime and nighttime hours.

Below is an overview of the current bridge work:

• San Antonio Creek Channel: The I-10 over San Antonio Wash is being widened. This work began in mid-August 2021 and is anticipated to be complete in summer 2023.

• Monte Vista Avenue: Crews continue to relocate underground utilities at Monte Vista Avenue and are building a new center median of the freeway. Work on Monte Vista Avenue began in spring 2020 and is anticipated to be complete in summer 2023. Monte Vista Avenue under I-10 is reduced to one lane in each direction during daytime hours and will be closed nightly from 9:00 p.m. to 5:00 a.m. Monday through Saturday. Daytime and nighttime activities include installing bearing pads and pre-cast beams and relocating utilities and drainage.

• Central Avenue: The outer portions of the EB and WB I-10 over Central Avenue were removed. The EB widening is complete and the WB side is in progress. Nighttime activities include building portions of the bridge walls.

• Benson Avenue: A portion of the EB I-10 shoulder over Benson Avenue was removed in December 2020 and is being rebuilt into a wider configuration. The work is scheduled to be complete in summer 2023. Benson Avenue is closed to vehicular traffic through November 18. Daytime and nighttime activities include backfilling soil and utility work.

• Mountain Avenue: The outer portions of the EB and WB I-10 over Mountain Avenue were demolished and are being rebuilt into a wider configuration. The work is scheduled to be complete in fall 2022. Daytime activities include building the portions of bridge, grading, and drainage work.

• San Antonio Avenue: San Antonio Avenue over I-10 was demolished in late August. The new bridge is scheduled to open spring 2023. Daytime activities include installing steel plates into the ground (shoring), demolishing portions of old walls, and excavation work.

• Euclid Avenue: Crews demolished and rebuilt the east side of the bridge. The west side of the bridge was demolished in April 2022 and expected to be complete in late 2022. Nighttime activities include building portions of the bridge and electrical work.

• Sultana Avenue: The Sultana Avenue bridge over I-10 is now open. Daytime activity includes pouring concrete for the sidewalk ramps. 

• Campus Avenue: Campus Avenue over I-10 was demolished in October 2021. The new bridge is scheduled to open winter 2022. Daytime activities include building portions of the approach slabs and removing steel plates from the ground (shoring).

• 6th Street: 6th Street over I-10 was demolished in October 2021. The bridge will be rebuilt into a wider configuration to accommodate the additional lanes on the I-10 and is anticipated to open summer 2023.

• Grove Avenue: A portion of the EB and WB I-10 shoulder over Grove Avenue was removed in December 2020. Grove Avenue under I-10 will be intermittently closed during nighttime hours. Daytime and nighttime activities include pouring concrete.

• 4th Street: Crews continue to relocate underground utilities at 4th Street and are building new wider sections of the EB and WB sides of the freeway. Work on 4th Street began in spring 2020 and is anticipated to be complete in fall 2023. 4th Street between El Dorado Avenue and Baker Avenue is reduced to one lane in each direction during daytime hours and may be closed during nighttime hours (businesses will remain accessible). Daytime and nighttime activities include installing steel plates into the ground (shoring) and utility installation and relocation.

• Vineyard Avenue: The east side of Vineyard Avenue over I-10 was demolished in March 2021 and is being rebuilt into a wider footprint to accommodate the Express Lanes. Work is expected to be complete in spring 2023. Vineyard Avenue over I-10 may have reduced lanes during daytime and nighttime hours. Daytime and nighttime activities include utility work.

• Cucamonga Wash Bridge: The widening of the I-10 over Day Canyon Channel is complete.



• Day Canyon Channel: The widening of the I-10 over Day Canyon Channel is complete.

Freeway lane closures are necessary for crews to remove trees, perform maintenance, and demolish and rebuild retaining walls, sound walls, and bridges.



• Scheduled intermittent nighttime connector ramp closures (11:00 p.m. to 5:00 a.m.):
• Northbound (NB) I-15 to WB I-10
• Southbound (SB) I-15 to WB I-10
• EB I-10 to NB/SB I-15
• WB I-10 to NB/SB I-15

• Intermittent nighttime lane closures (9:00 p.m. to 5:00 a.m.): EB and WB I-10 between Fairplex Drive and I-15. At least one lane in each direction on I-10 will remain open.

• Intermittent daytime lane closures: EB and WB I-10 between Fairplex Drive and Euclid Avenue. Four lanes in each direction on I-10 will remain open. These closures will occur between 9:00 a.m. and 2:00 p.m.

Intermittent nighttime EB and WB I-10 on- and off-ramp and ramp lane closures will occur throughout the project corridor. Detour routes are posted. Please check the Google Map for the most updated information.

• As part of the 55-hour freeway lane and ramp closure on Friday, November 18 at 10:00 p.m. through Monday, November 21 at 5:00 a.m.:
• WB 4th Street on-ramp closed

• EB 4th Street off-ramp may close Monday through Friday from 7:00 a.m. to 3:00 p.m. through Friday, December 2. 

• WB Euclid Avenue on-ramp from SB Euclid Avenue closed in mid-May for approximately seven months. Motorists can access the WB Euclid Avenue loop on-ramp to enter the WB I-10.

• Scheduled intermittent nighttime EB and/or WB on- and off-ramp closures (detour routes will be posted): Indian Hill Boulevard, Monte Vista Avenue, Euclid Avenue, 4th Street, Vineyard Avenue, Holt Boulevard, Archibald Avenue, Haven Avenue, Milliken Avenue, and Etiwanda Avenue.

Crews are removing and building sound walls and retaining walls, relocating utilities, and removing trees on several local streets adjacent to the I-10; at times this work may be loud and you may feel vibration. One side of the sidewalk will always remain open. Flaggers may be onsite to direct traffic. Please check the Google Map for the most updated information including closures, detours, and wall locations.

• Benson Avenue under I-10 closed though Friday, November 18.

• Daytime and/or nighttime lane closures (streets will remain open):
• Monte Vista Avenue, Palo Verde Street, Central Avenue, Mountain Avenue, Euclid Avenue, Grove Avenue, 4th Street, Princeton Avenue, and Vineyard Avenue

• Nighttime street closures (detour routes will be posted); businesses will remain accessible:
• Monte Vista Avenue: NB/SB street closed under I-10
• Palo Verde Street: WB street closed from Central Avenue to Monte Vista Avenue
• Grove Avenue: NB/SB street closed under I-10
• 4th Street: NB/SB street closed under I-10

• Retaining wall and sound wall locations:
• EB I-10: intermittently from Monte Vista Avenue to 4th Street and near Archibald Avenue
• WB I-10: intermittently from 4th Street to Monte Vista Avenue