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Work on the Granite Bridge is proceeding on schedule. This image shows the Scour curtain pressing operation. Courtesy image.

As of Friday morning, January 12, the company hired to do the repair work on the Granite Bride, Native Sun Construction has diverted water to the west side of the river and is currently working on rehabilitation of the east side abutment.

Crews are working on the installation of a soil nail (steel rod) and pressure grout, which will firm up the soil around the foundation of the bridge, thus rehabilitating it.

This work is expected to be complete by late January, at which time a second cofferdam will be installed to divert water to the east side, enabling abutment rehabilitation on the west side of the river.

The river will be restricted to nine feet, but will be passable by boat traffic. Vehicle traffic over the bridge will not be impacted.

Although work has been slow due to weather, the Native Sun construction team says that the project continues to be on schedule, and they expect it to remain so.

The Granite Bridge replacement is proceeding. This phot shows the workmen coring the existing abutments and wingwalls for the soil nail installation. Courtesy photo.

Project Phases:

  1. Abutment rehabilitation – late November – early March
  2. Bridge foundation replacement – early March – late April
  3. Replacement of bridge superstructure -May *One day bridge closure
  4. Modification and rehabilitation of existing truss- early May – early June
  5. Project completion work – mid-June- early July, 2024.

Project Schedule

  • Work is expected to be complete by early July 2024
  • Normal (winter) working hours will be from Monday through Friday 7:00 a.m. – 4:30 p.m.

Travel Impacts

  • The roadway shall remain open while improvements are being made.
  • There will be a bridge closure for one day. Residents and property owners of Granite will be notified of that date as soon as it is confirmed.

Those with questions or concerns can be added to the project’s public outreach contact list to receive construction updates.

The project information hotline is 970.765.7160, and the project email is granitebridgereplacement@gmail.com.