OPAC Consulting Engineers

Evaluation Services


Selected OPAC Evaluation Projects: (30 Total, 5 on this page)


Sixteenth Street Pedestrian Bridge - Dynamic Assessment

Sixteenth Street Pedestrian Bridge

Evaluation of an innovative pedestrian bridge for self-induced vibration due to wind and pedestrian loading, and design of tuned mass dampers and viscous dampers to address predicted excessive oscillations.

Denver, Colorado. Study completed 2002

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Rama IX Bridge Tenth Year Inspection - 10th Year Inspection & Evaluation

Rama IX Bridge Tenth Year Inspection

Tenth year structural inspection of a 450 m span cable-stayed bridge across the Chao Phraya River in Bangkok.

Bangkok, Thailand. Evaluation completed 2001

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Santa Rosa Creek Bridge - Collapse Investigation

Santa Rosa Creek Bridge

Collapse investigation of a temporary modular steel truss bridge on a construction bypass that collapsed under truck loading after a few weeks of service.

Santa Barbara County, California. Investigation completed 2000

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Maumee River Bridge - Value Engineering

Maumee River Bridge

Peer review of a cable-stayed bridge.

Toledo, Ohio. Peer review completed 2000

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Disney Millennium Icon - Wind Evaluation

Disney Millennium Icon

A study of wind response, fatigue, and strengthening alternatives for a decorative tower above Epcot Center's signature Spaceship Earth Dome.

Walt Disney World, Orlando, Florida. Evaluation completed 1999

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