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Alameda Avenue bridge closed through Monday morning

There will be detours in place for drivers using parts of Alameda and cyclists using the South Platte River trail.

DENVER — Heads up Denver drivers - part of Alameda Avenue is closed this weekend. 

The Colorado Department of Transportation has shut down Alameda Avenue between Kalamath and Lipan streets until 5 a.m. Monday morning. This includes the bridge over the South Platte River and the southbound Interstate 25 off-ramp.

Those driving, walking or biking in the area should use the following detours:

  • Vehicles – Continue south on I-25 to Santa Fe Drive (U.S. 85), and south to Mississippi Avenue. For eastbound Alameda, turn left and use Santa Fe Drive. For westbound, turn right at Mississippi.
  • Pedestrians – Use the southside of Alameda Avenue between Kalamath and Lipan streets. Pedestrians will be able to cross to the north side of Alameda at the Lipan and Kalamath intersections.
  • South Platte River Bike Trail – The bike trail will be shifted to the east side of Lipan Street to Alameda Avenue at Alameda. Trail users will use the parallel paved path on the southside of Alameda to the trail connection on South Platte River Drive.

CDOT is telling drivers to anticipate about a 20 minute delay.

Credit: CDOT

The closure is because CDOT said they will be demolishing the north side of the bridge as part of a larger improvement project in the area. When the road reopens on Monday, traffic will be diverted onto the south side of the bridge.

Crews will also be doing other work during the closure, including:

  • Improving drainage and repaving Alameda Avenue from Lipan Street to South Platte River Drive.
  • Installing a temporary traffic signal at the southbound off-ramp at Alameda Avenue and I-25, which will be in place until the demolition of the Alameda Avenue bridge on the south side begins in the fall of 2023.
  • Reconstructing the I-25 off-ramp for the switch in the traffic patterns.
  • Striping Alameda Avenue for the new traffic configuration.
  • Adding crosswalks at Kalamath Street and Alameda Avenue.


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