Project thumbnail image
College of Engineering Unit: 
Civil and Construction Engineering
Project Team Member(s): 
Avery Cloninger, Savannah Hensley, Hunter Thompson, Sophia Toops and Jordan Madary
Physical Location at Expo: 
Campus Way
Project ID: 
Project Description: 

The Oregon Department of Transportation (ODOT) requires the design of a new bridge replacement and fish ladder along Highway 26 over Clear Creek, located in the Mt. Hood National Forest. Due to the current issues of the bridge it’s reasonable to completely replace the superstructure and substructure to avoid expensive and constant maintenance repairs in the future. The stakeholder of the Clear Creek Bridge is primarily ODOT who is managing the project. The existing bridge has a compromised substructure and superstructure that has affected the load rating of the bridge and presents scouring concerns, and has deteriorated throughout the years from exposure to heavy freight vehicles, snow-removal equipment, extreme weather conditions, and poor road alignment. The design objectives of the new bridge will be to include scour countermeasures, adhere to structural loading requirements per AASHTO specifications, address roadway alignment concerns, maintain ODFW fish passage regulations, and fulfill best life cycle cost recommendations. The team's goal is to design a bridge replacement that meets design requirements set by the client, while providing the most economical and eco-friendly solution over the course of the bridge's lifespan. This will require the team to include water resources, geomatics, transportation, and structural engineering to develop a design to meet the goals of our client and our team's objective. This group design report will focus on the replacement design of the existing bridge with a double box culvert and fish passage. To meet our objectives, the scope of the team is as follows: completion of project within one season, replacement structure to meet current loading standards, minimize environmental impacts to surrounding wetlands, enhancement of fish passage, address poor roadway alignment, maintain construction traffic flow. An overview of the existing conditions and site plan will be introduced, alternatives discussed, followed by an in-depth analysis of design methodology from each discipline. The presentation will conclude with a summary of the recommended design to replace the Clear Creek Bridge.

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