Davenport 7th Street/Park Street Sidewalk Project
In Roads

Davenport 7th Street/Park Street Sidewalk Project

The City of Davenport is planning to reconstruct sidewalks along Park Street and 7th Street, as well as two retaining walls along 7th Street. A portion of the wall and sidewalk on the west side of 7th Street was replaced over a year ago with concrete cast retaining wall blocks. Currently, a portion of the […]

Oroville Street Realignment
In Roads

Oroville Street Realignment

The City of Oroville proposed a project to build a connector street between Jennings Loop Road and Bob Neil Road that will ease traffic issues and facilitate access to the Cascade and Columbia Railhead. The new connector road will include a curved street that connects the two roads and a stormwater pond along the southeast […]

Monroe Road Bridge Replacement
In Roads

Monroe Road Bridge Replacement

Spokane County plans to replace the existing Monroe Road Bridge (Bridge #2803) spanning the west branch of Dragoon Creek in northern Spokane County, Washington. The Project Area is approximately 900 feet long. The existing Monroe Road Bridge and its approaches, including 700 feet of roadway south of the bridge, will be replaced in its general […]

Brooks Road Reconstruction
In Roads

Brooks Road Reconstruction

Spokane County plans to reconstruct and improve Brooks Road in western Spokane County, Washington. The proposed reconstruction involves the grind and overlay of roughly 4 inches of existing asphalt with base and subgrade improvements where necessary. The road will be widened from 28 feet to 36 feet to accommodate two 12-foot travel lanes and two […]

Wells Road Bridge Monitoring
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Wells Road Bridge Monitoring

The County of Spokane retained Plateau Archaeological Investigations to conduct archaeological monitoring of the Wells Road Bridge (SPOK-2105) Scour Repair Project, constituting less than 1.0 acre between Plaza and Cheney in August 2016. Ground disturbing activities included excavating sediments from under and adjacent to the Wells Road Bridge. In addition, a second area where spoils […]

In Roads

Bigelow Gulch Road Historic Property Inventory

Plateau Archaeological Investigations conducted a Historic Property Inventory for the city of Spokane. The area of interest spans Bigelow Gulch Road from Havana Street to Forker Road, and Forker Road from Bigelow Gulch Road to Wellesley Avenue. This update of historic properties resulted in a Historic Property Inventory (HPI) for over 25 structures. Location: Spokane, […]

Goldendale 3rd and King Street Improvement Project
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Goldendale 3rd and King Street Improvement Project

The City of Goldendale is proposing improvements to 3rd and King Streets. Improvements include resurfacing streets and the construction of sidewalks, curbs, and gutters. The area of potential effects covers approximately 2.0 acres. Anticipated impacts include excavations, compaction of sediments, and other ground disturbing construction activities during the proposed undertakings. All work will be conducted […]

Mill Creek Road Improvements Project
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Mill Creek Road Improvements Project

The Walla Walla County Public Works Department proposed to reconstruct a portion of Mill Creek Road in Walla Walla County.  Mill Creek Road provides principle access to 100,000 acres of Umatilla National Forest, which contributes both recreational and logging resources.  Mill Creek Road also provides access to residences, university and municipality facilities, and tourist activities. […]

Mill Creek Road Improvements Proposed Wetlands
In Roads

Mill Creek Road Improvements Proposed Wetlands

Plateau Archaeological Investigations conducted a cultural resource survey for two proposed wetland mitigation locations as part of the Mill Creek Road Improvement Project. The pedestrian survey revealed a single debris pile.  The pile consisted of approximately 50 aqua and clear glass insulators, metal brackets, and rusted metal piping within a large white wooden box.  The […]

Bussell Road Realignment Project
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Bussell Road Realignment Project

The Rural Arterial Program funded the realignment of a portion of Bussell Road in Walla Walla. The road was present as early as 1868, and generally still follows the original route. Plateau Archaeological conducted a cultural resources survey to identify cultural resources, and no previously recorded cultural materials were present in the project area. Plateau […]

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