Manila, Feb. 28 -- The Department of Public Works and Highways (DPWH) said Friday an analysis is underway to determine the cause of the collapse of a portion of a bridge connecting the towns of Cabagan and Sta. Maria in Isabela province.

In a statement, the DPWH 2 (Cagayan Valley) said it has requested experts from the Bureau of Design and Bureau of Construction of the agency's central office to "conduct further evaluation and assessment."

At about 8 p.m. Thursday, the third span on the Cabagan side of the Cabagan-Sta. Maria Bridge collapsed after a dump truck carrying boulders, with a calculated approximate gross vehicle weight (GVW) of about 102 tons, passed on it.

Reports said at least six persons were injured in the incident while ...