36-mi freeway is Oregon's answer to traffic congestion between Salem and Portland; biggest single item of expanse in freeway program is Willamette River Bridge at Wilsonville which is 3-span (200 ft, 250 ft and 200 ft) river crossing; freeway is paved with asphalt on subgrade.
Oregon's Portland-Salem freeway scheduled for 1955 completion
Eng News-Rec
Engineering News-Record ; 154 , n 12
1955
Article (Journal)
English
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