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Minnesota Department of Transportation

511 Travel Info

I-35 Duluth Bridge Rehabilitation

St. Louis County

Traffic Impacts

The CIty of Duluth is currently completing work on the Northwest Passage bridge over I-35 reducing the traffic to one lane each direction.

MnDOT work will begin in late April and continue with single lane traffic and each direction. Work will require ramp closures.

About this project

Summary of work

Bridge joint replacement, Bridge deck rehabilitation, and concrete pavement repairs

Work zone map

2024 work zone map. Click to enlarge image

I-35 ramp detour

2025 work zone map. Click to enlarge image