Enhance funding expands Medford Viaduct study

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The Oregon Transportation Commission recently selected the Medford Viaduct environmental study to receive $4 million in discretionary Enhance funding, a category of the ODOT capital improvement program that focuses on projects that enhance, expand or improve the transportation system.

The added investment means the planning division’s facility plan, announced last year, will now transition into an environmental study of Medford’s most iconic bridge.

The 3,222-foot Medford Viaduct was built in 1962. It supports Interstate 5 between two major exits — the south Medford interchange at exit 27 and the north Medford interchange at exit 30.

“This is a fantastic opportunity,” said ODOT Principal Planner Lisa Cortes. “The Enhance funding allows our agency to prepare a facility plan in conjunction with the National Environmental Policy Act (NEPA) and the project development process.”

Facility plans generally culminate in a determination of what needs to be done to address an identified problem based on established policy direction and standards. Project planning is carried out in accordance with NEPA and is known within ODOT as the project development process.

Facility plan

“The facility plan provides ODOT and local agencies and other stakeholders with a priority list of specific improvements,” Cortes said.

“Recommended improvements will likely focus on capacity, safety, and changes to the local road network. Some solutions might be a combination of them all.

“Any future project for the Medford viaduct would also need to balance environmental issues with Bear Creek, park land and expensive right of way costs.”

The facility plan’s objectives are to:

• Protect the viaduct’s function;

• Develop concepts to improve safety and maximize operational efficiency;

• Evaluate the need for capacity improvements to address future needs based on the adopted comprehensive land use plans of Medford and Jackson County;

• Identify potential local system enhancements that maintain connectivity and complement the viaduct’s function;

• Coordinate the study’s efforts with other plans and projects in the study area; and

•Prioritize viaduct improvements with consideration for potential funding mechanisms.

“When you start talking about replacement, project costs start at hundreds of millions of dollars,” Cortes said. “It is imperative that we look at improvements at a lower range of costs that optimize public dollars.

Environmental study

While the facility plan develops a 20-year vision for the structure and the community, the environmental study goes into greater depth, addressing the challenges presented by more than 50 years of residential and commercial growth around the Medford viaduct.

ODOT in partnership with the Federal Highway Administration (FHWA) prepares environmental documentation for each transportation project that receives federal-aid funding or federal approval from FHWA as required by NEPA.

NEPA documents for these projects fall into three categories: Categorical Exclusions (CE), Environmental Assessments (EA) and Environmental Impact Statements (EIS). FHWA makes NEPA decisions by approving CEs, by issuing Findings of No Significant Impact (FONSIs) for EAs, or by issuing Records of Decision (RODs) for EISs.

According to Cortes, the scale of major project concepts, such as a full replacement of the Medford viaduct, or the addition of another deck atop I-5, far exceeds the level of transportation funding expected through year 2020.

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