News & Media

Innovative Strategies to Reduce the Cost of Effective Wildlife Overpasses

by ARC Solutions (United States Forest Service)
June 15, 2021

Wildlife overpasses, or structures that bridge a road or highway to allow wildlife to cross over safely, pay for themselves fairly quickly but are often regarded as expensive to build. This report contains a host of information useful to transportation engineers, compiling design and construction techniques, strategies, and considerations aimed at reducing costs while maintaining or improving the efficacy of wildlife overpasses.

Potential cost-savings considerations are explored for each stage of the building process: planning; design and construction; and procurement, delivery method, and cost accounting considerations. Examples range from recognition that good design requirements can significantly affect project costs, to acknowledgment that restrictions used for vehicular bridges may not apply to wildlife crossing structures, to awareness that the choice of materials can potentially reduce costs.

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