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Cabagan–Santa Maria Bridge
Bridge in Cabagan and Santa Maria, Isabela From Wikipedia, the free encyclopedia
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The Cabagan–Santa Maria Bridge is a partially collapsed bridge crossing the Cagayan River connecting the municipalities of Cabagan and Santa Maria in Isabela, Philippines.
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History
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Background and proposal
The municipalities of Cabagan and Santa Maria in Isabela province has been linked by an overflowing concrete bridge.[2][3] The old structure is usually rendered impassible during heavy rains.[4][5][6]
The project was started during the administration of President Benigno Aquino III. Albert Cañete, an engineer specializing on bridges, proposed the design of what would become the Cabagan–Santa Maria Bridge to Department of Public Works and Highways (DPWH) secretary Rogelio Singson in 2012.[7]
Construction
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The construction of the Cabagan–Santa Maria Bridge beside the old structure began on November 2014.[7][8][9] The bridge's "aesthetic design" is meant to fulfill the structure's role as a landmark. It also intended to replace an older concrete bridge.[2] Bridge engineer Cañete and United Technology Consolidated Partnership (UTCP) were behind the bridge’s structural design.[10][11][12]
The Cabagan-Santa Maria bridge was planned to be completed by 2019 but was finished in 2021.[8][7] Structural defects were detected within the year.[8] Light vehicles and bicycles are allowed to use it in times of emergencies such as flooding which submerges the old bridge.[13]
In 2023, the DPWH awarded R.D. Interior Junior Construction the implement the final retrofitting of the bridge.[4] The bridge was then formally completed on February 1, 2025. The bridge cost ₱ 1.225 billion (Philippine pesos) to build.[5][14]
Collapse
On February 27, the third span from Cabagan side of the bridge collapsed after a 102-ton truck attempted to cross it. The incident injured six people.[4][15][16][17] President Bongbong Marcos himself and DPWH officials inspected the site a week after the incident. Marcos attributed the "design flaw" as the cause of the collapse and that the budget for the bridge was reduced from ₱1.8 billion.[18] The engineer behind the bridge, Cañete insists that the accident was due to an overloading problem[19] stating that the bridge is a tied-arch bridge and not a suspension bridge "without cables" as described by Marcos.[8]
After the collapse the UTCP and Cañete's background of being the same structural designers of the Ungka flyover in Iloilo came to light, which was closed two weeks after its opening due to complaints about structural defects that made the bridge unsafe.[20] However the DPWH issued a statement dissuading the public from comparing the two road structures stating that they have different circumstances.[21]
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Specification
The newer Cabagan–Santa Maria Bridge is 990 meters (3,250 ft) long with twelve arch spans measuring 60 meters (200 ft) each; and nine pre-stressed concrete girder spans. The approaches are 664.1 linear meters (2,179 ft) long.[5][22]
References
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