T.Y. Lin International (TYLI), founded in 1954 by Tung-Yen Lin and headquartered in San Francisco

San Francisco, California

San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

, is an infrastructure consulting firm that provides engineering and architectural services to clients throughout the world. With its roots firmly planted in the design of long-span bridges and specialty structures, TYLI now provides planning, design and construction support for airports, buildings, bridges (single- to long-span), roadway systems, ports & marine, rail & transit, land development, and water resources. Operating from offices in United States and Asia, the company has a staff of more than one thousand engineers, planners, architects and scientists.

Services

TYLI provides services on all phases of project development and delivery, including:

• Planning
• Design
• Construction Support and Inspection
• Construction Engineering
• Program Management
• Intelligent Transportation Systems
• Design-Build

Industries

TYLI provides services within all major sectors of the infrastructure industry, including:

• Airports
• Bridges
• Buildings
• Land Development
• Ports & Marine
• Roadway Systems
• Rail & Transit

Projects

A few TYLI projects include:

• San Francisco – Oakland Bay Bridge - design services
• Sidney Lanier Bridge
  Sidney Lanier Bridge
  The Sidney Lanier Bridge is a cable-stayed bridge that spans the Brunswick River in Brunswick, Georgia, carrying four lanes of U.S. Route 17. The current bridge was built as a replacement to the original lift bridge which was twice struck by ships. It is currently the longest spanning bridge in...
  
   - concrete alternative design and construction support services
• Arthur Ravenel, Jr. Bridge
  Arthur Ravenel, Jr. Bridge
  The Arthur Ravenel Jr. Bridge, also known as the New Cooper River Bridge, is a cable-stayed bridge over the Cooper River in South Carolina, connecting downtown Charleston to Mount Pleasant. The eight lane bridge satisfied the capacity of U.S. Route 17 when it opened in 2005 to replace two obsolete...
  
   - design review, construction engineering and field inspection services
• Miami International Airport
  Miami International Airport
  Miami International Airport , also known as MIA and historically Wilcox Field, is the primary airport serving the South Florida area...
  
   - terminal development, runway rehabilitation and design
• Arizona Veterans Memorial Coliseum
  Arizona Veterans Memorial Coliseum
  The Arizona Veterans Memorial Coliseum is a 14,870-seat multi-purpose indoor arena in Phoenix, Arizona, USA, located on the grounds of the Arizona State Fair...
  
   - tension-cable roof design
• Rex T. Barber Veterans Memorial Bridge
  Rex T. Barber Veterans Memorial Bridge
  The Rex T. Barber Veterans Memorial Bridge is a concrete arch bridge that spans the Crooked River gorge in Jefferson County, Oregon. It was designed by T. Y. Lin International and was completed in 2000 to replace the Crooked River High Bridge. The older bridge was built in 1926 and was not wide...
  
   - concrete arch
• Mike O'Callaghan – Pat Tillman Memorial Bridge (Hoover Dam Bypass) - design of the bridge
• Puente Centenario - design of the second permanent bridge over the Panama Canal
  Panama Canal
  The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...
  
  , Republic of Panama