Pass Conditions

ID · I-90

Driving to Silver Mountain

This is a road-access page, not a resort snow report. Confirm lift and terrain operations with the resort.

Closed

I-90

Major Bridge construction on I-90 Eastbound from MM (39) to MM (41). 1 Left lane closed. 3/2/2026 7:00 AM to 11/2/2026 6:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft 6in Speed Restriction: 45mph Activities: Mandatory Speed Limit in Force. · some-lanes-closed · reduced-width: 12.5 feet

Pipeline observation: Jul 30, 2026, 8:00 PM UTC · Agency update: Jun 18, 2026, 7:54 PM UTC

Coverage:Public Idaho WZDx work-zone and lane-impact events, polled every 10 minutes.The public WZDx feed is not Idaho's full mountain-pass or chain-control feed. Use Idaho 511 for winter restrictions.

Route and snow context

Primary access
I-90
Related pass
Fourth of July Pass
24h analyzed snowfall
Not available at the pass point
Nearby SNOTEL depth
Not available — not measured at the road
72h NWS-grid forecast
Not available

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NOHRSC is gridded analysis; SNOTEL is a nearby station; NWS grid forecasts are not road-surface forecasts. Signs and closures are authoritative.