Snake_River_Bridge_between_Lewiston_and_Clarkston_(2010)

Lower Granite Lake is a reservoir created by

Lower Granite Dam Lower Granite Lock and Dam is a concrete gravity Run-of-the-river hydroelectricity, run-of-the-river dam in the northwest United States. On the lower Snake River in southeastern Washington (state), Washington, it bridges Whitman County, Washington, ...

. The dam is a concrete gravity run-of-the-river dam in the

northwest United States The Northwestern United States, also known as the American Northwest or simply the Northwest, is an informal geographic region of the United States. The region consistently includes the states of Oregon, Washington, Idaho, Montana and Wyoming. ...

. On the lower

Snake River The Snake River is a major river of the greater Pacific Northwest region in the United States. At long, it is the largest tributary of the Columbia River, in turn, the largest North American river that empties into the Pacific Ocean. The Snake ...

in southeastern Washington, it bridges Whitman and Garfield counties. Opened in 1975, the dam is located south of Colfax and north of Pomeroy. Lower Granite Dam is part of the

Columbia River Basin The Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America. It covers . In common usage, the term often refers to a smaller area, generally the portion of the drainage basin that ...

system of dams, built and operated by the United States Army Corps of Engineers; power generated is distributed by the Bonneville Power Administration. Behind the dam, Lower Granite Lake extends east to

Lewiston, Idaho Lewiston is a city and the county seat of Nez Perce County, Idaho, United States, in the state's north central region. It is the second-largest city in the northern Idaho region, behind Coeur d'Alene, and ninth-largest in the state. Lewiston is ...

and Clarkston, Washington, and allowed the Lewiston–Clarkston metropolitan area to become a port. The first barge to

Portland Portland most commonly refers to: * Portland, Oregon, the largest city in the state of Oregon, in the Pacific Northwest region of the United States * Portland, Maine, the largest city in the state of Maine, in the New England region of the northeas ...

on the navigation route was loaded with wheat and departed Lewiston on August 9, 1975.'

Bridges

Southway Bridge The Southway Bridge is a highway bridge spanning the Snake River between Clarkston, Washington, and Lewiston, Idaho. It connects Fleshman Way in Clarkston with Bryden Canyon Road in Lewiston, and provides residents of the Lewiston Orchards with ...

- crosses between

and Clarkston, Washington *

Interstate Highway Bridge The Interstate Highway Bridge crosses the Snake River, between Clarkston, Washington and Lewiston, Idaho. The bridge carries U.S. Route 12 (US 12) across the state line between Washington and Idaho. It was built in 1939. The bridge was ...

- also crosses between Lewiston and Clarkston, carrying

U.S. Route 12 U.S. Route 12 (US 12) is an east–west United States Numbered Highways, United States highway, running from Aberdeen, Washington, to Detroit, Detroit, Michigan, for almost . The highway has mostly been superseded by Interstate 90 (I-90) an ...

between the cities

Photos

* commons:Confluence of the Snake River and the Clearwater River

References

Reservoirs in Washington (state) Lewiston, Idaho {{Idaho-geo-stub