Crews dig deep hole in Waterfront Park to put new Burnside Bridge design to the test
Crews are finishing up digging a 125-foot hole to install a test foundation that they’ll use to test the earthquake-resistant ...
katu1 个月
Burnside Bridge project begins test foundation for earthquake protection
PORTLAND, Ore. (KATU) — Crews have started constructing a test foundation as part of the earthquake protection measures for the Burnside Bridge project. A 10-foot-wide test shaft is being built ...