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Centennial outlines signal‑pole testing and life‑cycle plan after nondestructive testing finds priority replacements
Summary
Staff reviewed nondestructive structural testing (NDST) of traffic signal poles and recommended programmatic life‑cycle replacement funding after identifying priority poles for immediate repair or replacement and a second batch needing work over the next 3–5 years.
City staff briefed council on nondestructive structural testing (NDST) of traffic signal poles and related signal infrastructure, presenting immediate mitigations completed after the 2023 field review and identifying two batches of priority replacements that will require capital funding and multi‑year program planning.
Anna Bunce framed the presentation as part of a broader signal infrastructure program: “There is this same kind of concept, but for traffic signal structures... signal structures are steel and our salts and our mag chlorides and all the other things that we use around here... all will tend to degrade steel over time.” Staff said NDST is designed to detect corrosion, weld and structural issues early so the city can repair or replace poles before failure. The city performed a procurement for…
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