US Army Corps of Engineers
Walla Walla District

Report of the Secretary of the Army
on Civil Works Activities for Fiscal Year 1996

Department of the Army Corps of Engineers
Extract Report of the Walla Walla District

Lewiston-Clarkston Bridge, Idaho and Washington


Location. On the Snake River at river mile 141.3, 1.7 miles upstream of the existing interstate bridge connecting the towns of Lewiston, Idaho, and Clarkston, Washington.

Existing project. The project consists of a new fixed high-level 4-lane highway bridge and approaches on U.S. Highway 12, across the Snake River constructed a cost "not to exceed $21 million." In December 1981, Congress authorized an additional expenditure of $2.2 million for construction of Lewiston's North Ramp, which had been an unfunded additive item. An approach roadway from the bridge to 16th Avenue in Clarkston, Washington, was authorized in July 1983 at an additional expenditure of $800,000.

A final Environmental Impact Statement Supplement was filed with the Council on Environmental Quality on July 16, 1979.

Local cooperation. Non-Federal interests have been provided, without cost to the United States, all lands, easements, and rights-of-way necessary for the construction of the bridge and its approaches, and after construction have agreed to own, operate toll free, and maintain the bridge and approach facilities. The non-Federal costs for land and relocation were $755,193.

Operations during fiscal year. New Work: The Lewiston and Clarkston Bridge, Washington, was completed in 1982 at full Federal expense and turned over to non-Federal interests for ownership. Operation, and maintenance: Soon thereafter, a defect in the expansion joints became apparent. A Corrective Action Report was approved by North Pacific Division on September 1, 1993, that documented the problem and approved the replacement of the expansion joints at full Federal expense. Funding was provided in Fiscal Year 1996 to correct the deficiencies identified in the Corrective Action report. All repairs were completed in Contract Number DACW68-95-C-0067 in August 1996. No other work is identified for this project.

Fiscal year costs were $254,308. Total costs to September 30, 1996, were $23,409,832.


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Last Updated: 8:20 AM April 16, 1997
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