HOME Our Construction Awards Irabu-ohashi Bridge

| Name | Irabu-ohashi Bridge | 
|---|---|
| Ordered by | Okinawa Prefecture | 
| Awards | Japan Society of Civil Engineers, Tanaka Award | 
| Construction site | Okinawa Prefecture | 
| Completed | 2010 | 
| Bridge length | 630 m (2,185 m total) | 
| Effective width | 8.5 m | 
| Construction outline | PC 32-span continuous box-girder bridge (segment girders) The Hirashimojima Airport Route is a prefectural road connecting Miyako Island and Irabu Island, and the Irabu-ohashi Bridge, a remote island bridge, spans 3,540 m of this route. The main girders were erected using the balanced cantilever method on segments manufactured on-site. | 



