Dead Fish Found Under I-90 Floating Bridge in Lake Washington Spark Investigation
Dead fish, including salmon, were discovered beneath the I-90 floating bridge in Lake Washington, leading to an investigation into their deaths and a potential connection to the bridge's protective equipment.
Seattle Tacoma, WA, September 17, 2026 —
Officials have launched an investigation into the deaths of numerous fish, including salmon, found deceased in Lake Washington. The discovery was made beneath the floating section of the Interstate 90 (I-90) bridge.
The circumstances surrounding the fish deaths are currently under review. Investigators are reportedly examining a potential link between the mortality event and protective equipment associated with the I-90 floating bridge structure. Further details regarding the specific type of protective equipment being examined or the nature of its potential involvement were not immediately available.
The presence of dead fish, particularly species like salmon which are vital to the local ecosystem, has prompted concern and a thorough examination by relevant authorities. The investigation aims to determine the exact cause of death and whether any actions or equipment related to the bridge maintenance or operation played a role.
The contractor responsible for the bridge’s protective equipment was not specified in the available information. Likewise, the timeline for the investigation’s completion and its findings has not been announced.
Authorities are expected to release more information as the investigation progresses. The focus remains on understanding the cause of the fish deaths and assessing any environmental impact or necessary remediation related to the I-90 floating bridge and its adjacent waters in Lake Washington.
Story summarized from the original created by Lauren.Donovan@fox.com (Lauren Donovan) on www.fox13seattle.com, see more information here.
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