Why it Matters
Bridge decks on the Lawyer’s Creek, Clearwater River and the North Fork of the Clearwater bridges were rehabilitated. The three projects were bid in one contract. The work will extend the life of the bridges, reduce maintenance costs and improve highway safety. The project is estimated to create or sustain 18 jobs. Construction started in July and was completed in August of 2010.
Project Description
A liquid treatment was applied manually to the Lawyer’s Canyon and Ahsahka Bridges to seal and preserve the bridge decks. A thin layer of silica sand was added to the bridge deck to improve traction for vehicles.
The Clearwater River Bridge project includes filling and sealing of cracks on the bridge deck and the application of a porous product to help absorb and retain de-icing chemicals. The special process is expected to reduce the number of de-icer applications required on the bridge.
Bridge Details
• Lawyer’s Canyon Bridge: U.S. 95, milepost 267; Lawyer’s Creek; Idaho County; 45 feet wide; 919 feet long; constructed in 1991
• Ahsahka Bridge: Idaho 7, milepost 53; Clearwater River; Clearwater County, 35 feet wide; 516 feet long; constructed in 1999
• Clearwater Bridge (aka Orofino Bridge): Idaho 7, milepost 49; Clearwater River; Clearwater County; 51 feet wide; 428 feet long; constructed in 1998
Current Status
 Advertised: Fall, 2009
Contract awarded: January 8, 2010
Contractor: Penhall Company, Mukilteo, WA
Estimated Construction Start: Spring, 2010
Current Project Phase: Awaiting Construction
Completion: August, 2010
Project News Releases
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