About falling concrete pieces from Anogawa bridge on Kan-Etsu Expressway

NEXCO EAST Niigata Regional Head Office (Chuo-ku, Niigata City) Kan-Etsu Expressway A concrete piece dropped on the Anougawa Bridge. No damage such as injury or property damage has been confirmed.

Currently, we are conducting an emergency inspection by restricting traffic on the town road that intersects with the bridge. We apologize for the inconvenience, and we appreciate your understanding and cooperation.

1 History of discovery

A local resident contacted a group employee who was patrolling the site on April 4, 2013 that the concrete piece had fallen, and confirmed that it was for the bridge on April 6th. is.

2 Occurrence location

It is located between the Minakami interchange of Kan-Etsu Expressway and the Yuzawa interchange
Ano River Bridge
(In-bound Line 145.5kp Opening date November 28, Showa 63)
Address: Gunma Prefecture Tone County Minakami Town Ano River Sanno Mukai Hirachi
(Gunmaken, Tonegun, Minakamimachi, Anougawa, Aza-san's Mukaidaira, Chisaki)

3 dropped concrete pieces

Maximum dimensions: approx. 6 cm x approx. 10 cm x approx. 2.5 cm total approx. 500 g

4 Cause of fall

The cause of the drop is currently being investigated, but it is speculated that the concrete has peeled off due to deterioration over time.

5 Response of the bridge

The bridge is currently undergoing an emergency inspection and is scheduled to be completed on Wednesday, April 10.

[Situation photo]