Projects / Bridges
Seohae Grand Bridge
Ah-San, South Korea
Joonghyuck Cho
Rayhouse
Gallivance
- Client
- Seohae Grand Bridge Construction Division Korea Highway Corporation, South Korea
- Location
- Ah-San, South Korea
- Dates
- 1998 - 1999
- Construction cost
- $110 million
- Key services
- Deputy Lead Bridge Design Review Engineer
- Typology
- Cable-Stayed Bridge (CSB)
- Composite structure and Concrete substructure
- Span CSB: 260m + 470m + 260m
As part of the development of the Ah-San Bay, the Seohae Grand Bridge begins in Taek City Kyung Ki Do and ends in Jin County, Choong Chung Nam Do. It is a notable bridge in South Korea and is a critical component of the expressway, which connects the Seoul metropolitan area to the southwestern regions of South Korea. Seohae Grand Bridge is 990-meter-long cable stayed with a main span of 470 meters.
The bridge is 32 meters wide and will carry six lanes of traffic. The towers are 182 meters high with a parallel strand cable system (144 cables spaced at 12 meters). Lead Design Engineer responsible for the seismic response spectrum analysis, pylon legs and deck transverse analysis, and stability analysis of the bridge. Responsible also for the design check of the composite deck and reinforced concrete pylon structures.