Sheridan State Scenic Corridor
Encyclopedia
Sheridan State Scenic Corridor is a state park
State park
State parks are parks or other protected areas managed at the federated state level within those nations which use "state" as a political subdivision. State parks are typically established by a state to preserve a location on account of its natural beauty, historic interest, or recreational...

 in the Columbia River Gorge
Columbia River Gorge
The Columbia River Gorge is a canyon of the Columbia River in the Pacific Northwest of the United States. Up to deep, the canyon stretches for over as the river winds westward through the Cascade Range forming the boundary between the State of Washington to the north and Oregon to the south...

, west of Cascade Locks, Oregon
Cascade Locks, Oregon
Cascade Locks is a city in Hood River County, Oregon, United States. The city took its name from a set of locks built to improve navigation past the Cascades Rapids of the Columbia River. The U.S. federal government approved the plan for the locks in 1875, construction began in 1878, and the locks...

. The 11 acres (4.5 ha) property, containing an old-growth forest, is located on the south side of Interstate 84 at approximately milepoint 42.5, and was not accessible by motor vehicle since I-84 was built in 1960. However, with the opening of the Eagle Creek-Cascade Locks segment of the Historic Columbia River Highway State Trail in 1998, it has become easily accessible by foot or bicycle. The park is on a triangular lot, completely surrounded by I-84 and the Mount Hood National Forest
Mount Hood National Forest
The Mount Hood National Forest is located east of the city of Portland, Oregon, and the northern Willamette River valley. The Forest extends south from the Columbia River Gorge across more than of forested mountains, lakes and streams to the Olallie Scenic Area, a high lake basin under the slopes...

.

The park was acquired in 1923 from the Oregon-Washington Railroad and Navigation Company by the Parks Division of the State Highway Department, which named it for Philip H. Sheridan. It served as a wayside
Wayside
Wayside may refer to:*Wayside, a word for the trackside in rail terminology* Wayobjects, trackside objects*Wayside , an early version of As Friends Rust...

 on US 30 - the Historic Columbia River Highway - until 1960, when the new I-84 freeway replaced the old road, cutting off access except through the national forest. As part of the restoration of the old highway, the Federal Highway Administration
Federal Highway Administration
The Federal Highway Administration is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two "programs," the Federal-aid Highway Program and the Federal Lands Highway Program...

 rebuilt the abandoned Eagle Creek-Cascade Locks for non-motorized traffic in the 1990s, to be managed by the State Parks and Recreation Department. An interpretive sign was installed at the site in 2007.

Just to the east of the park, within the national forest the trail passes under I-84 in a 150-foot (50 m) long precast concrete
Precast concrete
By producing precast concrete in a controlled environment , the precast concrete is afforded the opportunity to properly cure and be closely monitored by plant employees. Utilizing a Precast Concrete system offers many potential advantages over site casting of concrete...

rock-faced tunnel (45.6501°N 121.9107°W). The $500,000 structure was built as part of the restoration project, and was required to connect the park to another intact piece of road, located north of I-84 at the west Cascade Locks interchange.
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