US-20 Buffalo River Bridge Construction Begins April 27
Summary
The Idaho Transportation Department announces construction beginning April 27, 2026 on US-20 at Buffalo River Bridge in Island Park. Crews will stabilize soil where the bridge meets the roadway and repave approaches to create a smoother driving surface. Traffic will be reduced to one lane in each direction on the three-lane crossing, with construction expected to complete before Memorial Day.
“Traffic will be reduced to one lane in each direction on U.S. Highway 20 around Buffalo River Bridge and Pond's Lodge beginning Monday, April 27.”
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What changed
The Idaho Transportation Department has announced a construction project on US-20 at Buffalo River Bridge in Island Park, Idaho, beginning April 27, 2026. The work involves soil stabilization and repaving at bridge approaches, reducing traffic to one lane in each direction on the three-lane crossing. All traffic control devices will be removed for evenings and weekends. No regulatory changes or compliance obligations are associated with this announcement. Travelers and transportation companies using US-20 through Island Park should anticipate delays and plan accordingly.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Work begins Monday on US-20 Buffalo River Bridge in Island Park
Publication Date: April 22, 2026
Author: Sky Buffat
Traffic will proceed one lane in each direction as crews work to improve the connections of US-20 and Buffalo River Bridge. Construction is expected to be complete before Memorial Day.
ISLAND PARK– Traffic will be reduced to one lane in each direction on U.S. Highway 20 around Buffalo River Bridge and Pond’s Lodge beginning Monday, April 27. Crews will be working to stabilize the soil where the bridge meets the roadway and then repave at these approaches to create a smoother ride for drivers and preserve the longevity of US-20 in the area.
The Buffalo River Bridge is a three-lane crossing. Drivers will be moved over and able to travel on one lane in each direction.
Construction is expected to be complete well before the Memorial Day holiday that marks an influx of recreational traffic for the summer season in Island Park and Yellowstone National Park. All traffic control devices will be removed for evenings and weekends.
Up to date information about affects to traffic during this project and others can be found on the Idaho 511 app or at 511.idaho.gov.
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