Marquam Bridge Website Links For
Bridge
 

Information About

Marquam Bridge




  bridge Name Marquam Bridge
  carries Interstate 5
  crosses Willamette River
  locale Portland, Oregon
  maint Oregon DOT
  id 08328
  design Cantilever Truss
  mainspan 440 feet (1341 m)
  length 1043 feet (3182 m)
  width 57 feet
  clearance <35 feet northbound
  below 130 feet
  open October 1966
  lat 4550810


  structure Crossings
  place Willamette River
  bridge Marquam Bridge
  upstream Ross Island Bridge
  downstream Hawthorne Bridge