The king and chum salmon runs in the Chena and Salcha rivers are pretty much history.

Source: https://www.deltanewsweb.com/2023/08/25/tanana-fishing-report-2/

The modification project includes construction of a concrete barrier wall at the dam that will span 4.5 miles at depths of up to 65 feet for the Chena Lakes Flood Control Project.

Source: https://www.newsminer.com/news/local_news/army-corps-of-engineers-to-reroute-rec-trail/article_82fb7818-e300-11ed-84ef-c76577d018ef.html

“The one we were previously aware of already was the Chena Hot Springs undercrossing and we voluntarily agreed to bypass that bridge and go around it because there’s a substantial flaw,” Filbin said.

Source: https://www.newsminer.com/news/local_news/corridor-committee-talks-kinross-trucks-bus-stops/article_ff262fd8-37c8-11ee-8db7-2b18cb946fb9.html