The Bangjangsan Tunnel (방장산터널) and the adjoining bridge are located on National Route 31/Posco-daero in Pohang, South Korea.
The combination six-lane tunnel and bridge opened on May 20, 2008. 1 The tunnel was criticized for featuring zinc panels on the exterior portals at an extra cost of 220 million won.
- State: South Korea
- Route: South Korea National Route 31
- Type: Beam, Tunnel
- Status: Active - Automobile
- Navigational Clearance:
- “Pohang Tunnel Exterior Wall Construction Waste.” Asian News Agency. 19 June 2009. Web. 2016.