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Heisson Bridge

The new structure was built parallel to the existing bridge, but completed in a way so both the modern and historic structures blend. The road surface was sloped, curved and super elevated, while the arches remained straight, resulting in complex geometries. Extensive environmental permitting was included in this project.

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KGA - Kramer, Gehlen Associates, structural engineering KGA - Kramer, Gehlen Associates, structural engineering
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Quick Facts:
Structural Type: Steel plate-girder with concrete deck & bridge railings
Length: 106 feet
Crossing Type: Water crossing


KGA
KGA - Kramer, Gehlen Associates, structural engineering
     



Kramer Gehlen & Associates
400 Columbia St, Suite 240
Vancouver, WA 98660-3413

Vancouver: 360-693-1621 Portland: 503-289-2661 Fax: 360-696-1572

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