Bridges & Roads
Bridges, national roads, expressways, and transit infrastructure of the Philippines.
25 articlesArticles
Philippine expressway network: structure, regulations and master plan
Overview of the Philippine expressway network, including DPWH management, JICA master plans, toll systems, and traffic regulations.
Buntun Bridge: Engineering, History and Regional Connectivity
Buntun Bridge spans the Cagayan River, linking Tuguegarao and Solana. Built 1960-1969, it is a key infrastructure landmark in Northern Luzon...
Guicam Bridge: Connecting Olutanga Island to Mainland Mindanao
The Guicam Bridge is a 1.2 km concrete girder bridge under construction in Zamboanga Sibugay, connecting Olutanga Island to the mainland.
Dalton Pass East Alignment Road: Engineering and Development
The Dalton Pass East Alignment Road is a 23-kilometer bypass project in the Philippines featuring the country's longest road tunnel.
Candaba Viaduct: Engineering, History and Expansion
The Candaba Viaduct is a 5-km bridge on the NLEX crossing the Candaba Swamp, connecting Bulacan and Pampanga.
Davao City Bypass Road: Infrastructure, Tunnel Engineering and Development
The Davao City Bypass Road is a 45.5-km highway project in Mindanao featuring the country's first long-distance mountain tunnel.
Philippine highway network: classification, numbering and infrastructure
Overview of the Philippine highway network, its DPWH classifications, route numbering system, and road surface statistics.
Historic Bridges of Romblon: Colonial Heritage and Conservation
Overview of the Historic Bridges of Romblon, Spanish and American era structures declared Important Cultural Property in 2013.
National Route 204: Geography, Route Description and Infrastructure
Overview of National Route 204, a 388.06-km highway in the Cordillera Administrative Region and Ilocos.
Panguil Bay Bridge: Engineering and Regional Connectivity
The Panguil Bay Bridge is the longest water-spanning bridge in Mindanao, connecting Tangub and Tubod.
Magapit Suspension Bridge: Engineering and Regional Connectivity
Magapit Suspension Bridge spans the Cagayan River in Lal-lo, Cagayan, connecting east and west sides since 1978.
Patapat Viaduct: Engineering and Significance
The Patapat Viaduct in Pagudpud, Ilocos Norte, is a 1.3 km concrete bridge completed in 1986, rising 31 meters above the sea.
NLEX Connector: Infrastructure, History and Operations
The NLEX Connector is a 7.7-km elevated expressway in Metro Manila linking NLEX Harbor Link to Skyway, opened in stages since 2023.
Cong. Andres Acop Cosalan Road: Route and History
Overview of National Route 207 in Benguet, honoring Congressman Andres Acop Cosalan, Sr.
National Route 114: Geography, History and Infrastructure
Overview of the 162.54 km N114 highway connecting Aurora, Nueva Ecija, Pangasinan, and Nueva Vizcaya, including the historic Villa Verde Tra...
Plaridel Bypass Road: Infrastructure and Development in Bulacan
Overview of the Plaridel Bypass Road, a 24.61-km national secondary road in Bulacan, Philippines, detailing its construction phases and sign...
Central Mindanao Expressway: Planning and Financing
Overview of the proposed Central Mindanao Expressway, a high-standard highway connecting Cagayan de Oro and Davao City with JICA and ADB fin...
Davao River Bridge: Infrastructure and Renovation History
Overview of the Davao River Bridge (Ma-a Bridge) in Davao City, its 2015-2018 six-lane widening project, and technical specifications.
Agas-Agas Bridge: Engineering and Tourism Development
Overview of the Agas-Agas Bridge in Southern Leyte, its construction history, structural specifications, and role in local tourism.
Historic Bridges of Tayabas: Spanish Colonial Heritage
Overview of the Spanish colonial bridges in Tayabas, Quezon, declared National Cultural Treasures in 2011.