Moffett Drive Street Improvements and Bridge Construction

Butier Engineering, Inc. provided construction management and field inspection services for the Moffett Drive Bridge Construction and Street Improvements Project. The bridge, which spans across Peters Canyon Channel, connects Moffett Drive from Irvine to Tustin, increasing access and street connectivity within the Tustin Legacy development. The Tustin Legacy (formerly the MCAS Tustin) is a 1,600-acre urban master-planned community consisting of 2,430 homes, "The District" regional shopping center (1,000,000 sq. ft.), various educational facilities, neighborhood parks, and major roadways and related infrastructure.

Scope of Work

• Construction of a single-span cast-in-place concrete box girder bridge approximately 108′ long x 73.25′ wide
• Installation of an architectural steel arch on each side of the bridge and bridge lighting
• Roadway construction and street and landscape improvements
• Utility construction, domestic and recycled water, and dry utilities
• Construction of barriers, sidewalks, wing-walls, foundation, and railings
• Grading, structure excavation, backfill, and drainage

Butier staff coordinated with several stakeholders, including the Department of the Navy, U.S. Army Corps of Engineers, Caltrans, the City of Irvine, Irvine Ranch Water District, Orange County Flood Control District, Southern California Gas Co., and Southern California Edison.