The Sei Alalak Bridge is a bridge that crosses the Alalak River and is located in East Berangas, Alalak District, Barito Kuala Regency, South Kalimantan. This bridge was inaugurated on October 21 2021 by the President of the Republic of Indonesia, Joko Widodo and contains 4 two-way lanes, approximately 850 meters long and 20 meters wide.