- Sonic Park Ajimu, Racing Cart Couse | Kinomo, Ajimu Town, Usa City | Sonic Park Ajimu
- Rice Paddy, Usa Honhyakusho | Kibe, Usa City | Usa Honhyakusho Co. Ltd.
- Takatsu Fishing Port | Shimoshofutsube, Usa City | Usa City Office
- Usa City Council | Ueda, Usa City | Usa City Hall
Roads
- Iroha Bridge on Route 10 | Yamashita, Usa City | Oita River National Highway Office
Rivers
- Kamijo Bridge, Tsufusa River | Sho, Ajimu Town, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
- Ajimu Ohashi Bridge, Fukami River | Shimoge, Ajimu Town, Usa City | Oita Prefecture Civil Engineering Department River Section
- Gensen Ohashi Bridge, Mukuno River | Iwasaki, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
Iroha River
- Iroha Ohashi Bridge, Iroha River | Shimotokieda, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
- Iroha Bridge, Iroha River | Yamashita, Usa City | Oita Prefecture
Yorimo River
- Yorimo Bridge, Yorimo River | Hashizu, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
- Kanmachi Bridge, Yorimo River | Minamiusa, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
Yakkan River
- Komatsu Bridge, Yakkan River | Kifune Town, Usa City | Ministry of Land, Infrastructure, Transport and Tourism
- Beppu Bridge, Yakkan River | Beppu, Usa City | Oita Prefecture
- Nagasu, Yakkan River | Nagasu, Usa City | Usa City Office
Sea/Coast
- Takatsu Fishing Port | Shimoshofutsube, Usa City | Usa City Office