PROJECTS

US-95, Sagle Road to Long Bridge 

CLIENT Idaho Transportation Department 

Location Bonner County, Idaho 

US-95, from Sagle Road to the Long Bridge, required safety improvements to reduce conflicts and delays due to high traffic volumes.

The US-95 corridor is a vital route for both commerce and seasonal recreationists. The goal of the project was to provide an interim solution to improve safety and mobility until the completion of an Idaho Transportation Department corridor study is fully accomplished. The project requirements included an accelerated design schedule within a 10-month period to meet the desired construction schedule.  

Shannon & Wilson served as the geotechnical engineer for this project, providing recommendations and design for a planned mechanically stabilized earth (MSE) wall, drainage, traffic signal installation, and an overall widened pavement structure. Our team mobilized personnel from our Coeur d’Alene and Boise offices as well as specialized data collection and drilling equipment to collect subsurface data to aid in the analysis and design. Shannon & Wilson also collaborated with the design team to develop an economical design for a pavement mill and inlay with minimal material waste.  

MARKETS SERVED
Highways / Roads
SERVICES PROVIDED
Pavement Geotechnical Engineering Construction Management
Office
Boise

AWARD WINNER

2023 ACEC Idaho Award, Transportation Category: Third place

KEY PERSONNEL

Tri Buu
Geotechnical Engineer

Bill Capaul
Geologist

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