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For the overall project history, including the planning and design phases of development, refer to the link below:
The construction contract for the project has been awarded to Shimmick Construction Company, Inc. by the Board of Supervisors on Tuesday, May 17, 2022.
Posted 12/07/22: Mosquito Batch Plant Mobilization
Intermittent Traffic Controls to continue on Mosquito Road through December 22, 2022
Posted 10/31/22: REVISED Road Closure for Night Work on Mosquito Road from November 14 through November 20, 2022
UPDATE POSTED 09/02/22:
Intermittent Traffic Controls to continue on Mosquito Road through November 2022
Posted 08/12/22: During intermittent traffic controls, wait times are intended to be approximately five (5) minutes. Delays could be up to twenty (20) minutes depending upon traffic of slow-moving equipment and wide loads. Please allow extra time to arrive at your destination.
Posted 8/2/22: Intermittent Traffic Controls on Mosquito Road from August 9, 2022 through September 9, 2022 (may include Saturdays and/or Sundays).
Click here for lane closure notice
Updated on 6/23/22:
Mosquito Road is anticipated to be closed to through traffic beginning approximately July 5, 2022 and ending approximately August 8, 2022. Closure limits are anticipated to coincide with the current gate locations and will be coordinated with schools and emergency response as needed. Intermittent lane closures and flagging should also be anticipated as needed for mobilization of construction equipment and materials. During this time, it is also anticipated that tree removal operations will occur for the bridge project, and routine maintenance of existing Mosquito Road Bridge will also be conducted. For additional details refer to the PCMS boards located along the roadway and to this project website.
Click here for road closure notice.
As seen in this figure, the Mosquito Road Bridge Replacement Project is anticipated to result in Mosquito Road closures at approximately the existing gate locations for up to 10 weeks and will be coordinated with school schedules. This Project may also have intermittent flagging operations and lane closures along Mosquito Road, Rock Creek Road, and the neighboring roadways to the Project to facilitate Project operations and mobilization of large equipment and materials. For additional details refer to the Project’s construction website.
Please click on the links below for construction progress updates and pictures:
Construction Update #3 - Posted 03/17/23 - Revised 03/22/23
Construction Update #2 - Posted 12/05/22
Construction Update #1 - Posted 09/09/22
Please click on the link below for construction and progress related videos:
Mosquito Road Bridge Computer Renderings & Videos -
Public Meeting PowerPoint from December 19, 2022 - Posted 12/21/22
For an overview of the latest project construction schedule, please click here.
**This is an approximate construction schedule for the project and is subject to changes and updates as items progress. Refer to the “Construction Progress Updates” for additional details**
Mosquito Road Bridge Replacement Project is anticipated to be built in three stages as seen in this figure: