Marquam Bridge
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Bridge
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Marquam Bridge
CATEGORIES ABOUT MARQUAM BRIDGE
cantilever bridges
bridges in oregon
bridges completed in 1966
transportation in portland, oregon
willamette river
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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