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Marquam Bridge

General Information

Completion: 4 October 1966
Status: in use

Project Type

Location

Location: , , ,
Address: Interstate I-5
Crosses:
  • Willamette River
Part of:
Coordinates: 45° 30' 28.80" N    122° 40' 7.69" W

Technical Information

Dimensions

main bridge
length 318.2 m
span lengths 92 m - 134.1 m - 92 m

Materials

piers reinforced concrete
truss steel

Chronology

4 October 1966

The lower southbound deck is opened to traffic.

18 October 1966

The upper northbound deck is also opened to traffic.

Participants

Initial construction
Owner
Contractor
Steel construction
Seismic retrofit (1996)
Owner
Material supplier

Relevant Web Sites

  • About this
    data sheet
  • Structure-ID
    20005467
  • Date created
    24/09/2002
  • Last Update
    25/10/2017