132

Takatera-machi

Fujihashi

enix

Eisei Bridge

Oharidg

Shimoyama-machi

Saizu Minami-machieSakon-machi
Imai-machi

Nishizu-machi

ImamiyaBridgeImaiNakazawa Bridge

HeijimaMizunashi-machi

0Takabatake

Asahioka
BridgeTachikawa
Higashimiyauchi-machi Miyauchi-machi General Hospital●Takabatake
MiyauchiMiyasakae

59

Ohashi Bridge

Miyauchi Station●63

Ota River
Bridge64 65
66

Takabatake-machi

Nagaoka Fire Station
Miyauchi Branch

Magariara-machi
Nagaoka● Hoyoen
79
Machida-machi
Taka-machi

Sasabana

1:27,000

Jonan500（m)Settaya
Fukasawa-machieriv
iR
umUra

Echigo Iwatsuka StationinL
Ma

7273

Takashima-machi

6869

erib

River Bridge

RivSh

Katada-machi

Suwahara Bridge

167 Yaketa

166 166

Nakajima

Iizuka Bridgege

Koshiji Brid

Yaketa RiverIizuka

Koshiji Bridge
Downstream

Ota

Nagaoka South Koshiji
Smart IC

Nakatani Bridge

Kamazawa-machi

Joetsu Shinkansen●●Koshiji Branch

170 171

Joetsu Line

RaikojiTake-machir

169

Nagaoka Fire Station
Koshiji Branch

ive

168

Saginosu-machi

Kamimaejima-machi
KamimaejimaoRSento Bridge

Aoshima-machi

Raikoji Station

AsahimKa

Yokomakura-machi

Ota River Bridge

JodSawagejo

RToyozume-machi

Maekawa Station165rive

Kaki-machi

Gejo-machi

70

Kamiya Bridge
Mizuho Bridge

Aoki-machi

ShMaejima-machioR

KamiyaSettaya-machi

67

inets
uiver

Aoyama-machinan

Su RiverBridge

Jomyo-machi

iner
Ri
ve
Koshiji
NakajimaShi❻
Shibumi Bridge

SuShibumi
River

Oyazawa-machi

KoshijiNakazawa

Aoyamashin-machi❻130aot

Ota Bridge

Nanyo

SuwamenBridge
Muramatsu-machi

Muramatsu
Ohashi Bridge

Toka-machi（ Northern Area）
Shinano River 】 Koshiji

500Hanazono
Minami

Higashi O-machi
20 Bridge Hachibuse-machi

Jojo-machi

60

Heijima-machi

Kan-etsu Expressway（ Northern Area）
Shinano River 】 Koshiji❼●Shinmizunashi Bridge
NishinoSaizu-machi

61
verKamitomioka

18

Sasazaki

Riv

Iijima131

Toyoda-machi O-machir

Takato-machi

Kaname-cho
Sakon
Nishi
MiyauchiAkebono

ve
Riki
Ka

Nagaoka Ryoikuen●Tamiya ●Hospital
Kamitomioka-machi 129

Uono
River

ShinanoRiverJodo❻●Omiya-machi

Nishiki
SawadaMiyauchi

erKitano
ShinyoSuehiroSanwashi B【Flood Warning Hazard Map❺●In accordance with the Survey Act Law and approved by the Agency Executive of the Geospatial Information Authority of Japan (being used) R2JHs91

PhoRiOta【Flood Warning Hazard Map

Predicted Precipitation【Predicted Maximum Precipitation】
2-Day Total Precipitation331㎜

Muramatsu
BridgeHeisei Akebono
BridgeKamagashima

Kanjinbo Bridge

164
Iwata Bridge

Ojiya City

71
Jodo River Bridge
Iwano

Shin Koryu Bridge
Watazawa Bridge

75

Watazawa-machi

Shinfuna Bridge

A list of evacuation facilitiesverRi
Jodo

Ogawara-machi

Takiya-machiEchigo Takiya Station

Nigorisawa-machi→Refer to pp.36 ‒ 38

Legend15

Inundation Depth：

Up to 0.5 meters

From 0.5-3.0 meters

Anticipated Zones of Flooding and Destruction of Houses：

From 3.0-5.0 meters

Flood Flow (powerful ﬂow)

From 5.0-10.0 meters
Riverbank Erosion (Soil is eroded.)

From 10.0-20.0 meters

00 Evacuation Shelter

Landslide Warning Area

00 Evacuation Shelters Safe for Child Rearing

00 Evacuation Shelter (to be transitioned into a Social Welfare Evacuation Shelter later on)Dangerous Places during a Flood：

00 Evacuation Shelter (with a social welfare room)

Subterranean Tunnels and Underpasses

Bridges

River Live Camera

16