The Idaho Transportation Department will close the westbound off-ramp at Exit 38 on Interstate 84 starting Friday evening for scheduled pavement maintenance, part of ongoing work following recent water infrastructure repairs in Nampa. Drivers heading west on the interstate should expect temporary access restrictions through early Monday morning.
The westbound ramp will be closed from 9 p.m. Friday, August 14, through 5 a.m. Monday, August 17. The work follows repairs to a water main break that disrupted traffic at Nampa’s Garrity Interchange earlier this month. The eastbound off-ramp at the same interchange is expected to reopen Friday, allowing crews to proceed with the westbound closure.
Alternate Routes and Traffic Impacts
Westbound travelers using Exit 38 should detour to the Franklin Boulevard Interchange at Exit 36, approximately two miles west. The alternate exit remains accessible throughout the closure period. All work is subject to weather conditions and may be rescheduled if conditions deteriorate.
ITD emphasized that the project is part of routine maintenance efforts to preserve the state’s existing transportation infrastructure. The Garrity Interchange serves as a major junction for Nampa traffic, making the temporary closure a notable disruption for commuters and commercial traffic in the Treasure Valley.
Context on Recent Disruptions
The area has experienced several traffic-related incidents in recent weeks. A water main break on Garrity Boulevard caused water pressure drops below safety thresholds in parts of Nampa, prompting the initial infrastructure work that preceded this ramp closure. Crews have been working to coordinate transportation and water system repairs to minimize overall community impact.
Motorists are advised to allow extra travel time during the closure weekend and to use the Franklin Boulevard exit as a temporary alternative. Commercial traffic through the interchange should plan accordingly.
What Comes Next
The westbound ramp is scheduled to reopen Monday morning at 5 a.m., assuming weather permits and work stays on schedule. ITD will monitor conditions throughout the weekend. Additional updates on the project timeline are available through the Idaho Transportation Department’s website and traffic information services.
Canyon County residents should note that weather conditions in the region may affect the work timeline—a Flash Flood Alert was recently issued for Southwest Idaho, making project schedules potentially subject to change.