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I-90: Bridge Repairs (CDA to Silver Valley)

Sealing the driving surfaces of these structures will keep them in service longer.

Eleven bridges and overpasses will receive sealing treatments or a concrete overlay.

Starts mid-May
Ends mid-August
Traffic impacts
check 511
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Bridge locations

Bridges on I-90 to receive repairs: 15th Street, Pennsylvania Avenue, Sherman Avenue, Potlatch Hill, Timothy Lane and the bridge just west of Blue Creek Bay.

Bridges over I-90 to receive repairs: Fourth of July, Rose Lake (Idaho Highway 3), Tamarack Ridge Road, Cataldo Mission (South Dredge Road) and Hill Top Road.


The contractor plans to work on several bridges at a time, in the following order:

  • Cataldo Mission, Hill Top Road and 15th Street
  • Tamarack Ridge Road, Pennsylvania Avenue, bridge just west of Blue Creek Bay and Fourth of July Summit
  • Rose Lake and Sherman Avenue
  • Potlatch Hill and Timothy Lane


Most bridges will still be partially open, but the bridge at Hill Top will be closed completely. Check for the most up-to-date information on road closures.

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I-90 FY21 bridges: contact us

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