Lower Deck of the I-5 Marquam Bridge Will Close Friday and Saturday Nights

The bridge undergoes inspection every two years; southbound I-5 traffic can use I-405 over the Fremont Bridge as a detour

I-5 Traffic, I-5 Construction Oregon Construction | I-5 Exit Guide

The Oregon Department of Transportation (ODOT) reports that the lower deck of the Marquam Bridge, southbound Interstate 5, will be closed both Friday and Saturday nights, July 7 and 8, for its biennial bridge inspection.

On both nights, the closure will be in place from 10:00 p.m. until 6:00 a.m. the following morning.

I-5 closure details

  • During the closure, all southbound I-5 traffic must exit at the ramp to eastbound Interstate 84.
  • As a detour, southbound I-5 traffic may take Interstate 405 over the Fremont Bridge and rejoin I-5 at the south end of the Marquam Bridge.
  • The westbound I-84 ramp to southbound I-5 will be closed although the ramp to northbound I-5 will remain open.

During the closure, inspectors will use lifts and snooper cameras to carry out a thorough safety inspection of the bridge.

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