Interstate Five — A Bridge Retiring

Sal on SR 520 Eastbound: Seattle to Redmond · Oct 29, 2026 · 1m

Sal: Between Interstate Five and Montlake. Sal: Between Interstate Five and Montlake, this road crosses Portage Bay on a bridge from the 1960s, and the state says that bridge is nearing the end of its functional life. It stands on hollow concrete columns, and in a severe earthquake the four-lane bridge could collapse. Sal: The state is replacing it with new, parallel Portage Bay bridges, seismically stronger, with better bus and carpool lanes and an extension of the SR 520 Trail. Sal: The same project builds a landscaped lid over the highway, between Roanoke Park and North Capitol Hill…