A fatal motorcycle crash on I-5 South near the Marquam Bridge in Portland has led to significant traffic disruptions, with both southbound and northbound lanes experiencing hours-long closures. The incident has resulted in the death of a motorcyclist, prompting an investigation that has since concluded, allowing the freeway to reopen. Authorities reported that the northbound lanes were closed at Lombard Street due to the crash, leading to major delays for drivers in the area. The motorcycle crash is one of several incidents that have occurred on I-5, affecting traffic flow and causing safety concerns on this busy highway.