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Johnson Wetland Mitigation Project

The Johnson Wetland Mitigation Site will provide compensatory wetland mitigation for anticipated impacts from future transportation projects. DOWL was retained by the Montana Department of Transportation to analyze the viability…

Midtown Congestion Relief

DOWL was hired by the Alaska Department of Transportation and Public Facilities to complete a Planning and Environmental Linkages Study for Midtown Anchorage. This study focused on an area surrounding…

Sheridan North / Northwest Water Projects

…also looped around the northwest corner of Sheridan and connected to a major expanding commercial area on the north side, which significantly improved water supply and fire flows. The pipeline…

Sterling Highway MP 58-79

DOWL completed environmental and design services for the $70 million Sterling Highway Milepost 58-79 Rehabilitation project that included new passing lanes and expanded shoulders to bring this 21-mile stretch of…

Upper Kobuk Mineral Projects

…to assist Trilogy Metals with permitting. A Preliminary Water Balance Study for the Arctic Deposit Site was completed which established baseline hydrologic conditions for two watersheds near the Arctic Deposit…

Bernhardt Creek Slide Repair

…landslide. DOWL first conducted an analysis of five alternatives. After careful analysis, the team selected a retaining wall as the preferred alternative because it presented the best combination of reasonable…

Delta Ponds Pedestrian Bridge

DOWL led the design of this unique cable-stayed pedestrian bridge; a sweeping architectural landmark that complements nearby recreational areas. It also provides a safer east/west bicycle and pedestrian crossing near…

Sweet Creek Road

…evolved into a complex 15-span bridge in order to maximize its effectiveness in preventing further landslides at the site and maintaining access. It is now the longest bridge in the…

Susitna-Watana Dam

…This contract has been used primarily to support the Federal Energy Regulatory Commission (FERC) licensing process for the Susitna-Watana Dam, approximately 90 miles north of Talkeetna, Alaska. To date, the…