OPAC Consulting Engineers

Design Services


Selected OPAC Design Projects: (50 Total, 5 on this page)


California High Speed Rail Project Construction Package 1 - Design and Construction Support

California High Speed Rail Project Construction Package 1

Design of 3 overhead bridges that carry local roads across high speed rail tracks in Madera County and design of a 4000 ft. long trench structure supporting high speed rail tracks.

Fresno to Madera, California . Scheduled construction completion 2019

View details


Peña Creek Road Bridge Replacement - Design and Construction Support

Peña Creek Road Bridge Replacement

Design of a multi-span concrete slab bridge to replace an existing bridge in rural Sonoma County, California.

Sonoma County, California. Scheduled design completion 2019

View details


BART Wayfinding and Signage - Structural Design and Construction Support

BART Wayfinding and Signage

Structural design and construction support for BART Wayfinding and Signage supports.

San Francisco Bay Area, California . Scheduled construction completion 2019

View details


BART Hayward Maintenance Complex Central Warehouse - Structural Design and Construction Support

BART Hayward Maintenance Complex Central Warehouse

Structural design and construction of a 2-story office structure for the Central Warehouse replacement project at BART Hayward Maintenance Complex.

San Francisco Bay Area, California. Scheduled construction completion 2019

View details


Hauser Bridge Road Bridge Replacement - Design and Construction Support

Hauser Bridge Road Bridge Replacement

Design and construction support for an asymmetrical arch bridge in rural Sonoma, California.

Sonoma County, California. Construction completion 2018

View details