St. Johns Bridge

Completed in 2007

Renovation of the historic suspension bridge consisted of rewrapping the main suspension cables, replacing several suspenders and substituting a non-composite deck slab for a new one, which was designed as a composite without expansion joint.

Design: ODOT & OBEC Consulting Engineers, Eugene, Oregon

Structure length

630 m


Portland, Oregon, USA

Span length

Main span 368 m

Structure type

Historic suspension structure.

Width of the superstructure

17.4 m

Scope of work

Jiri Strasky: Conceptual design, static and dynamic analysis of bridge reconstruction.


GPS: 45.5853378N, 122.7642307W
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2007 Steel Bridge Award, Reconstructed – Prize. National Steel Bridge Alliance.