Freshour Street Culvert Study
LOCATION: Morristown, Tennessee
- Lee Gentry
- Steve Drummer
LDA provided professional engineering services to the City of Morristown to assess the existing box culvert that carries Turkey Creek under Freshour Street. The culvert consists of several material including corrugated metal pipe, cast in place concrete and masonry construction. The culvert is 760-feet in length and drains approximately 1.3 square miles. The City has had to perform repairs to several sections of the culvert over to past few years.
The objective of the assessment was to evaluate the physical condition of the culvert structure and associated backfill and foundations, to determine the likely cause of the deficiencies, to develop alternatives for rehabilitating the culvert, to evaluate the hydraulic capacity consequences of the various rehabilitation alternatives, to consider the private property aspects of the rehabilitation and or replacement alternatives, to provide estimated costs associated with each rehabilitation alternative, and to recommend an alternative that best serves the technical, economic, and public considerations. Additional tasks performed included:
- Perform deed research and acquire property data for affected properties.
- Perform a topographic survey of the culvert site and approach roadways.
- Perform a topographic survey of the interior of the culvert.
- Survey cross sections of Turkey Creek at both faces of the existing structure and at 50 and 200 feet upstream and downstream from the existing structures for hydraulic analysis.
- Develop a Digital Terrain Model (DTM) within the project boundary.
- Locate all observable utilities marked by Tennessee One Call within the project boundary, as well as all utilities as shown on plans obtained from utility owners.
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