For years, the underpass beneath Alameda Avenue has been a bottleneck for cyclists and a hurdle for pedestrians with mobility challenges. That changes now, as municipal records confirm construction is officially underway on a comprehensive replacement project stretching from Santa Fe Drive to Broadway.
This is not a minor repair job. The work represents a synchronized push to modernize one of Denver's most critical western gateways, specifically targeting bicycle infrastructure, pedestrian safety, and ADA compliance. For residents in the 80211 ZIP code, the immediate impact will be detours and lane shifts, but the long-term payoff is a seamless connection between the South Platte River corridor and the downtown core.
The filings, logged in April 2026, detail a multi-stage effort to replace the existing structure. The project focuses on the segment running between Santa Fe and Broadway, a key artery that has long suffered from aging infrastructure. While the exact start date of the physical work isn't listed in the raw data, the status of "under construction" confirms that crews are already active on the ground. The scope includes widening pathways for bikes and ensuring full wheelchair accessibility, addressing decades of safety concerns for non-motorized commuters.
This underpass overhaul is part of a larger wave of capital projects hitting the 80211 area. In just 19 days of April 2026 alone, 17 distinct filings were recorded for transportation infrastructure in this single ZIP code. Alongside the Alameda work, the W. 8th Avenue Bridge reconstruction has entered its design phase, and the 16th Street Mall plan is moving from paper to pavement. This concentration of activity suggests a deliberate, city-wide strategy to upgrade the western gateway rather than isolated maintenance fixes.
Residents should expect traffic adjustments as the Alameda project progresses through its remaining phases. With the W. 8th Avenue Bridge also in the design stage, community input on traffic patterns and detour routes will likely become a priority in the coming months. Those wishing to track the specific timeline or review engineering plans can access the full municipal records via the city portal.