It was mentioned in another Feed article about the Seahawks needing a new stadium in a few years. It seems silly, but Lumen Field is now 24 years old and has reached the same age as the Kingdome! It would seem that planning for a renovation would be happening soon, if it's not already happening, granted upgrades were just made for hosting the World Cup next month.
This article says the average life expectancy is 30 years for a modern stadium, and declining from stadiums life expectancy in the past.
https://ampthink.com/charts/why-is-stadium-life-expectancy-declining/
(Even more stadiums) The Sounders are seeking new investors for a potential move to a soccer specific stadium.
https://www.sounderatheart.com/2025/11/what-is-really-going-on-with-sounders-potential-sale/
Seattle Major Stadiums & Arenas (old and new)
Kingdome (1976-2000) 24 years
Lumen Field (aka Seahawks Stadium, Qwest Field, CenturyLink Field, 2002-Present) 24 years
T-Mobile Park (1999-Present) 27 years
*Dugdale Field (1900-1932) 32 years
*Sick's Stadium (1938-1979) 41 years
Climate Pledge Arena (aka Coliseum/Key Arena, 1962-1995) 64 years for the building
*Mercer Arena (1927-2003) 76 years (I'm old, I graduated in this building!)
Husky Stadium (1920-Present, renovated 1950, 1987 & 2013) 106 years!
*demolished
What sort of upgrades do you think should be included in a new Seahawks stadium? Permanent grass. Retractable playing surface. Retractable roof. Seahawks museum. Free coffee.