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Sioux City reviews pre‑design for Gordon Drive viaduct reconstruction including new bridges, tunnel and Bacon Creek conduit
Summary
Council heard a pre‑design briefing on the Gordon Drive Viaduct reconstruction: the plan shifts the viaduct south, adds two new bridges and tunnels for trails, replaces three aging box conduits in Bacon Creek, and includes street and interchange work at Lewis and Leech.
Sioux City council members reviewed a pre‑design plan for the Gordon Drive Viaduct reconstruction project during the consent agenda; staff described the alignment, bridge and drainage work and said the proposal has not changed since it was last seen by the council. City engineering staff described a new alignment that will swing the viaduct south and build two new bridges: one spanning the Floyd River and an adjacent railroad to the south of the existing Gordon Drive, and another spanning Bacon Creek and a second railroad. The reconstructed route…
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