An old bridge across Kali river in Uttara Kannada district collapsed in the small hours of Wednesday, resulting in heavy traffic along national highway 66, connecting Goa to Karnataka, reported news agency PTI.

A large portion of the bridge near here caved in at around 1.30 am when a truck was crossing it, leaving the driver of the vehicle injured as he fell into the Kali river, Karwar police said, reported PTI.