[C3] Gaikan Expressway for concrete pieces falling from Saiwaitamashi Bridge

At the Sakitama Bridge on the C3 Gaikan Expressway NEXCO EAST Kanto Regional Head Office (Saitama City, Saitama Prefecture), a concrete piece fell on the river management passage of the first-class river Arakawa that intersects Expressway Did.
No damage such as injuries or property damage has been confirmed.
We immediately carry out an emergency inspection on the passage that intersects the bridge and confirm that there is no risk of concrete pieces falling any further.
We are continuing to carry out emergency inspections of similar areas.
We apologize for any inconvenience and inconvenience caused to the neighbors.

1 History of discovery

First report to our company Around 17:00 on Thursday, July 26, 2018, from the Nishiurawa branch office of the Arakawa upstream river office of the Ministry of Land, Infrastructure, Transport and Tourism, which manages the intersecting first-class river Arakawa, the general public We contacted us that it was brought in and confirmed the site.

2 Occurrence location

　C3 Gaikan Expressway Saiwaitamashi Bridge (6.5KP) with a primary river Arakawa intersection [river management for passage] of (left bank)
(Between Wako Kita IC and Toda Nishi IC, opened on November 27, 1992)
Land name: Oaza Niikura, Wako City, Saitama Prefecture

3 Dropped concrete pieces

Items brought in by the general public: width 9 cm x length 12 cm x thickness 3 cm (about 300 g)
On-site confirmation: width 10 cm x length 20 cm x thickness 3 cm (about 300 g) Total weight including other debris about 1 kg

4 Cause of fall

Currently under investigation

5 Response status at the relevant location

Currently, the emergency inspections on the river management road and golf course carts near the drop point have been completed, and for other points, we continue to carry out emergency inspections.

【Location map】