United States Department of Transportation
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Abstract:The purpose of this report is to summarize the study of the transportation characteristics of the Teton Dam site and provide potential improvements to the site. Construction of the Teton Dam was completed in 1976 . On its first fill on June 5, 1976, the dam failed causing a catastrophic event leading to the loss of 11 lives and millions of dollars in property damage. Since the failure, the physical infrastructure at the dam site has aged and deteriorated and is in need of repair. In 2018, Reclamation initiated a working group known as the Teton Recreation Coalition (TRC) in an effort to rehabilitate the Teton Dam site. The main access to the site is from the south, where Teton Dam Road leads to the site from Highway 33. See Figure 1-2 for an overview of the site and the areas with higher priority for improvements. Usage at the site is varied and is mainly recreational. Recreational uses of the site includes: fishing, boating (hard-side boats and rafts), camping, hunting, wildlife viewing, hiking, and sightseeing. Because of the sporadic use and enforcement presence, trespassing and vandalism are concerns at the site. Based on the input of Reclamation, the TRC, and information gathered by WFL, the following goals and objectives were developed specific to transportation on the site: Goal 1: Provide transportation facilities that improve public safety, accommodate future visitor growth and increased recreational activities, and reduce maintenance needs. Goal 2: Provide a climate for economic growth. Goal 3: Minimize adverse impacts to the environmental, cultural, and scenic characteristics of the study area. Potential improvements were developed to address areas of concern and satisfy project goals, described below: Overlook: improve aesthetics of site, change geometrics to allow adequate turning radius for large vehicles; stripe parking lot, improve overlook point, add path to administration site, add toilet. Administration Site: (Improvements are shown in phases: the initial build, and a potential full-build) mill and install paving for a portion of the site (for initial build), add picnic area, add pavilion shelter. 6 Campground Option A/Day Use Sites in Lower Area: Develop primitive camping/picnic sites, widen and resurface road, construct parking areas, , construct boat ramps, add toilet, install gates and boulders to restrict vehicular access to approved areas. Campground Option B on Rim: Develop camping sites, resurface the portion of road that accesses campsites. Install gates and place boulders to restrict access to the shaft house areas where public use is prohibited. North Side: Install gate, boulders and “Road Closed” sign. Northeast Boat Ramp: Recondition and resurface 12-foot wide road, construct boat ramp, develop picnic areas. Sign Map: Install Teton Dam Recreation Area sign at intersection of Highway 33 and Teton Dam Road, informational and directional signage within the site. The report also outlines some funding opportunities and potential next steps.
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