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Council reviews Agua Fria Trail pedestrian bridge options; H‑truss favored for cost and span
Summary
City Engineer Kim Moon presented design and cost alternatives for the Agua Fria Trail pedestrian/bicycle bridge on Nov. 3, with preliminary estimates ranging from about $2.1 million for an ADA‑accessible at‑grade crossing to $10.2 million for a decorative bowstring bridge.
City Engineer Kim Moon presented design alternatives and cost estimates Nov. 3 for a proposed pedestrian/bicycle bridge that would connect the Agua Fria Trail to Friendship Park.
Moon described the bridge as a key off‑street connection that would allow pedestrians and cyclists to avoid busy arterial crossings. She outlined three weathered‑steel structural options — an H‑truss, a tied‑arch and a bowstring — and compared them with a lower‑cost at‑grade crossing that had previously been conceptually designed. "Weathered steel allows for the longest spans, which means fewer piers are needed within the channel," Moon said, and added that weathered steel required moderate maintenance and performed well…
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