TO: Mayor and Members of City Council
THRU: Michael Gibson, Interim Assistant City Manager
FROM: Sheila Thomas-Ambat, Public Services Director
DATE: September 8, 2026
RE:Title
Stamper Road Culvert Failure & Road Closure
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COUNCIL DISTRICT(S):
Council District(s)
2
b
Relationship To Strategic Plan:
Goal 1: Safe and Secure Community
Objective 1.1: To fully prepare for emergency and disaster response
Objective 1.2: To ensure traffic and pedestrian safety
Executive Summary:
Council is being asked to provide consensus to proceed with a Capital Project Ordinance to initiate the design of repairs to Stamper Road. The project is necessary due to the partial failure of the existing culvert, which has resulted in the closure of Stamper Road.
Background:
On July 24, 2026, the existing culvert on Stamper Road experienced a failure after trees located along the downstream embankment fell, damaging the downstream slope. The damage to the embankment caused the downstream headwall to separate from the culvert, compromising the integrity of the culvert.
Following the initial failure, subsequent storm events have caused additional erosion of the downstream embankment, resulting in further separation and deterioration of sections of the culvert. The continued erosion has increased the risk of additional structural failure and roadway damage. As a precautionary measure and to protect the safety of the traveling public, Stamper Road is currently closed to traffic.
The City is proposing to proceed with the design of repairs to the culvert and associated roadway infrastructure to address the current deficiencies and determine the appropriate long-term repair solution.
Issues/Analysis:
The failure of the Stamper Road culvert presents several immediate and long-term concerns that warrant proceeding immediately with the design of a permanent repair solution.
Continued Roadway Deterioration: Soil has continued to wash out from beneath th...
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