Incessant torrential rains pounding South Korea prompting authorities on Thursday to close parts of highways and issue a rare flood alert near a key river bridge in Seoul.

The state-run Han River Flood Control Office said its flood alert near the Han River bridge is the first such measures since 2011.

More Images
A part of a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

Incessant torrential rains pounding South Korea prompting authorities on Thursday to close parts of highways and issue a rare flood alert near a key river bridge in Seoul.

The display of South Korea's capital Seoul logo is partially submerged due to heavy rain at a park near the Han River in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

The rainfall stopped near the Han River bridge as of Thursday afternoon but the flood alert remains in effect, according to the agency.

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road and a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road and a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP)

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP)

Agency officials said parts of highways along the river have been closed and many riverside public parks flooded.

A part of a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

The rainfall stopped near the Han River bridge as of Thursday afternoon but the flood alert remains in effect, according to the agency.

Much of South Korea have been hit by days of heavy rains since Saturday.

The rainfall caused landslides and floods, leaving 16 people dead and 11 others missing, the Ministry of the Interior and Safety said in a report.

The display of South Korea's capital Seoul logo is partially submerged due to heavy rain at a park near the Han River in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

The display of South Korea's capital Seoul logo is partially submerged due to heavy rain at a park near the Han River in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road and a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road and a park near the Han River are flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

A part of a main road near the Han River is flooded due to heavy rain in Seoul, South Korea, Thursday, Aug. 6, 2020. Torrential rains continuously pounded South Korea on Thursday, prompting authorities to close parts of highways and issue a rare flood alert near a key river bridge in Seoul. (AP PhotoLee Jin-man)

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP).

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP)

Rescue workers evacuate passengers on a boat from a submerged bus due to heavy rain in Paju, South Korea, Thursday, Aug. 6, 2020. Korean Meteorological Administration issued a warning of heavy rain for Seoul and central area. (Paju Fire Station via AP)