I 90, CD'a RV BR EBL & WBL, shoshone CO

This $8,420,216.41 Formula Grant award from the Federal Highway Administration under the Highway Planning and Construction (CFDA 20.205) program will fund a project to replace the I-90 Coeur d'Alene River bridges in Shoshone County, Idaho. The project will construct a new, wider bridge structure with increased vertical clearance to address current deficiencies in the existing bridge, such as excessive cracking, spalling, and exposed reinforcement. The project aims to meet current design standards and improve transportation infrastructure along the I-90 corridor between mile points 51.947 and 51.961. The awardee for this grant is the Idaho Department of Transportation.

Project description

This project will replace the I-90 coeur D'alene river structures. The existing structure currently has many deficiencies that include: excessive spalls and cracks, exposed reinforcement throughout structural components; along with a substandard vertical clearance. The new, wider bridge will be constructed on a variable raised profile that meets current standards and the minimum 17.0 feet vertical clearance over I-90. The project is located on I-90 between mile points 51.947 and 51.961.