The New Bay Bridge SAS Is The Longest Single-Tower, Self-Anchored Suspension Bridge In The World
Who We Are
The Hanna Group (THG) is a professional engineering firm that provides a full range of quality and cost effective program and construction management (PM/CM) services on public works projects.
What We Do
• Program Management
• Construction Management
• Other Services
Hanna Group personnel are highly qualified individuals with extensive experience on roadway, bridge, airport, tunnel, railroad, water/waste water, building, highway, and ADA construction projects throughout the State of California.