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This open house was active April 3-May 5. Information on this page may no longer be current. Visit the project webpage or email us for more information.

 

Download Bridge Options Comparison (pdf)

Bridge perspective from U.S. 26 westbound

 

Braced Arches

 

Signature Structure rating: MEDIUM

Visual Appeal rating: MEDIUM

Warren Trusses

 

Signature Structure rating: LOW

Visual Appeal rating: LOW

Splayed Arches

 

Signature Structure rating: MEDIUM

Visual Appeal rating: LOW

Cantilever Towers


Signature Structure rating: HIGH

Visual Appeal rating: MEDIUM

Triangular

 

Signature Structure rating: HIGH

Visual Appeal rating: HIGH

 

On-bridge perspective while crossing U.S. 26

 

Braced Arches

 

On-bridge experience: MEDIUM

 

Warren Trusses

 

On-bridge experience: LOW

 

Splayed Arches

 

On-bridge experience: HIGH

 

Cantilever Towers


On-bridge experience: MEDIUM

 

Triangular

 

On-bridge experience: HIGH

 

 

Ease of construction and cost comparison

 

 

Braced Arches

 

Ease of Construction:

MEDIUM

Ease of Maintenance:

HIGH

Structural Material Efficiency: 

HIGH

Relative Bridge Construction Cost: 

0% (baseline)

Relative Total Construction Cost: 

0% (baseline)

 

 

 

Warren Trusses

 

Ease of Construction:

HIGH

Ease of Maintenance:

HIGH

Structural Material Efficiency: 

HIGH

Relative Bridge Construction Cost:

 0%

Relative Total Construction Cost: 

0%

 

 

Splayed Arches

 

Ease of Construction:

MEDIUM

Ease of Maintenance:

MEDIUM

Structural Material Efficiency:

LOW

Relative Bridge Construction Cost: 

+40%

Relative Total Construction Cost: 

+10%

 

 

Cantilever Towers


Ease of Construction:

LOW

Ease of Maintenance:

MEDIUM

Structural Material Efficiency: 

MEDIUM

Relative Bridge Construction Cost: 

+30%

Relative Total Construction Cost: 

+10%

 

Triangular

 

Ease of Construction:

LOW

Ease of Maintenance:

LOW

Structural Material Efficiency: 

MEDIUM

Relative Bridge Construction Cost: 

+30%

Relative Total Construction Cost: 

+10%

 

 

Status message

This form is now closed. Please email lutproj@washingtoncountyor.gov with any questions or comments.