Projects

SH-11 Quartz Creek

Construction on the Quartz Creek Bridge will restore critical structural elements, improve drainage and extend the service life of the bridge while maintaining an important connection for local travel

SH-11 Quartz Creek

Construction on the Quartz Creek Bridge will restore critical structural elements, improve drainage and extend the service life of the bridge while maintaining an important connection for local travel

Overview

Bridge repairs near Pierce will strengthen the Quartz Creek Bridge, address long-term wear and improve safety and reliability along SH-11.

Workers and an excavator perform repairs on a bridge along State Highway 11, with temporary concrete barriers and guardrail visible in a forested setting.

Background

Since the bridge’s construction, water runoff from the bridge deck has damaged portions of the concrete and exposed reinforcing steel within two exterior support girders. Left unaddressed, this deterioration could continue to weaken the bridge structure. Repairs will restore the bridge’s structural capacity and extend its service life.

Construction is expected to start in summer 2026 and includes replacing the two damaged exterior girders and installing a new concrete bridge barrier. The new barrier will improve drainage and help protect the bridge from future water-related damage.

Project Benefits

  • Addresses long-term deterioration caused by water runoff
  • Restores the bridge’s structural capacity
  • Improves drainage on the bridge deck
  • Extends the service life of the structure

Traffic Impacts

During construction, traffic will be reduced to a single lane with alternating directions of travel controlled by flaggers. Travelers should expect delays during active work and plan additional travel time. A width restriction of 14 feet will be in place throughout construction.

Contact

george.elliott@itd.idaho.gov

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