About the fall of the distance marker between the Higashi-Mito Road Mito Minami interchange and the Mito Oarai interchange (to the west)

An event occurred where the distance marker installed on the bridge between the Higashi-Mito Road Mito Minami Interchange and the Mito Oarai Interchange managed by NEXCO EAST Kanto Regional Head Office (Taito-ku, Tokyo) fell beside the intersecting road.

In addition, there is no damage to injured people or equipment.

Immediately after the discovery, we conducted an emergency inspection on the Higashi-Mito Road (between Mito Minami Interchange and Hitachinaka Interchange) and found some similar damage, but we took safety measures and confirmed the safety of other parts. It was

1 History of discovery

Thursday, August 28, 2014 At around 12:30 pm, a local inhabitant reported to our management office and the employee confirmed the site.

2 Occurrence location

Higashi-Mito Road Oba Daini Viaduct 183.6kp Overpass with city road
(From Mito Minami interchange to Mito Oarai interchange, opened on December 2, 1996)
Address: 691 Oba-cho, Mito City, Ibaraki Prefecture

3 Falling distance marker

Distance marker (aluminum plate) 55.0 cm x 25.0 cm
(Aluminum support) φ5.0 L=81.0cm Weight about 2.5kg
(*Distance markers are management facilities set every 100m on the road.)

4 Cause of fall

It is highly probable that the aluminum bracket that fixed the support column broke for some reason and the distance marker dropped. The cause of breakage is currently under investigation.

【Location map】

[Situation photo]