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Magapit Suspension Bridge
The Magapit Bridge is suspension bridge spanning that connects the east and west sides of the Cagayan River in Lal-lo, Cagayan, Philippines. Opened in 1978, it carries Maharlika Highway, linking Barangays Bangag and Magapit in Lal-lo. The bridge was also named by the locals as the "''Golden Gate The Golden Gate is a strait on the west coast of North America that connects San Francisco Bay to the Pacific Ocean. It is defined by the headlands of the San Francisco Peninsula and the Marin Peninsula, and, since 1937, has been spanned by ... of Cagayan''". This bridge is one of the only two bridges in the province that runs across the mighty waterway of the Cagayan River. The late Engr. Angel G. Villanueva was the project engineer of Magapit suspension bridge under IWCDC (owned by the Dys) and Japanese consultants. Rehabilitation The bridge undergone rehabilitation that started on May 16, 2012 and ended November 20, 2012. Traffic in that area were serviced by ferry boats in ...
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Pan-Philippine Highway
The Pan-Philippine Highway, also known as the Maharlika Highway (; ), is a network of roads, expressways, bridges, and ferry services that connect the islands of Luzon, Samar, Leyte, and Mindanao in the Philippines, serving as the country's principal transport backbone. Measuring long excluding sea routes not counted by highway milestones, it is the longest road in the Philippines that forms the country's north–south backbone component of N1 highway (Philippines), National Route 1 (N1) of the Philippine highway network. The entire highway is designated as Asian Highway 26 (AH26) of the Asian Highway Network. The northern terminus of the highway is in front of the Ilocos Norte Provincial Capitol in Laoag and the southern terminus is near the Zamboanga City Hall in Zamboanga City. History The Pan-Philippine Highway System was an infrastructure program of President of the Philippines, President Diosdado Macapagal as a first priority project for the improvement and expansion ...
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Cagayan River
The Cagayan River, also known as the Río Grande de Cagayán, is the longest river and the largest river by discharge volume of water in the Philippines. It has a total length of approximately and a drainage basin covering . It is located in the Cagayan Valley region in northeastern part of Luzon Island and traverses the provinces of Nueva Vizcaya, Quirino, Isabela and Cagayan. Topography The river's headwaters are at the Caraballo Mountains of the Central Luzon at an elevation of approximately . The river flows north for some to its mouth at the Babuyan Channel near the town of Aparri, Cagayan. The river drops rapidly to above sea level some from the river mouth. Its principal tributaries are the Pinacanauan, Chico, Siffu, Mallig, Magat and Ilagan Rivers. Magat River, is the largest tributary with an estimated annual discharge of 9,808 million cubic meters. It lies in the southwestern portion of the basin, stretching approximately from Nueva Vizcaya ...
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Lal-lo
Lal-lo, officially the Municipality of Lal-Lo (; ; ), is a municipality in the province of Cagayan, Philippines. According to the 2020 census, it had a population of 48,733 people. During the Spanish colonial period, Lal-lo was known as Municipio de Nueva Segovia and was the seat of the Diocese of Nueva Segovia before it was moved to Vigan in Ilocos Sur. It is currently under efforts to regain its Spanish-era city status. Recently, the provincial government of Cagayan through the leadership of Governor Manuel Mamba planned to make Lal-lo the provincial capital of Cagayan again. The Northern Cagayan International Airport in southern Lal-lo was constructed to support both the Cagayan Special Economic Zone in northern Cagayan and to serve seaborne traffic through Port Irene. The airport project involved the construction of a runway with a width of , following the standards of the International Civil Aviation Organization. The international airport accommodates large aircraft ...
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Cagayan
Cagayan ( ), officially the Province of Cagayan (; ; ; isnag language, Isnag: ''Provinsia nga Cagayan''; ivatan language, Ivatan: ''Provinsiya nu Cagayan''; ; ), is a Provinces of the Philippines, province in the Philippines located in the Cagayan Valley Regions of the Philippines, region, covering the northeastern tip of Luzon. Its capital is Tuguegarao, the largest city of that province as well as the regional center of Region 2 (Cagayan Valley). It is about northwest of Manila, and includes the Babuyan Islands to the north. The province borders Ilocos Norte and Apayao to the west, and Kalinga (province), Kalinga and Isabela (province), Isabela to the south. Cagayan was one of the early provinces that existed during the Spanish colonial period. Called ''La Provincia de Cagayan'', its borders essentially covered the entire Cagayan Valley, which included the present provinces of Isabela (province), Isabela, Quirino (province), Quirino, Nueva Vizcaya, Batanes and portions of Ka ...
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Department Of Public Works And Highways
The Department of Public Works and Highways (DPWH; ) is the executive department of the Philippine government responsible for serving as the country's engineering and construction arm. It is tasked with implementing the government's policy to maintain and develop its engineering capabilities to ensure the safety, efficiency, and quality of public infrastructure and construction projects. The DPWH oversees the planning, design, construction, and maintenance of infrastructure across the country, particularly national highways, flood control systems, water resources development, and other public works. Its functions are to be carried out in a decentralized manner, as much as possible. History History of the DPWH stretches back as far as the history of Philippine government itself. During Spanish times, the Spanish constructed the first roads in the Philippines. These public works projects were not only used in the connection of towns and fortresses, but also in improving commu ...
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Suspension Bridge
A suspension bridge is a type of bridge in which the deck (bridge), deck is hung below suspension wire rope, cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 1800s. Simple suspension bridges, which lack vertical suspenders, have a long history in many mountainous parts of the world. Besides the bridge type most commonly called suspension bridges, covered in this article, there are other types of suspension bridges. The type covered here has cables suspended between towers, with vertical ''suspender cables'' that transfer the Structural load#Live load, imposed loads, transient load, live and Structural load#Dead load, dead loads of the deck below, upon which traffic crosses. This arrangement allows the deck to be level or to arc upward for additional clearance. Like other suspension bridge types, this type often is constructed without the use of falsework. The suspension cables must be anchored at each end of the bridge, s ...
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Steel
Steel is an alloy of iron and carbon that demonstrates improved mechanical properties compared to the pure form of iron. Due to steel's high Young's modulus, elastic modulus, Yield (engineering), yield strength, Fracture, fracture strength and low raw material cost, steel is one of the most commonly manufactured materials in the world. Steel is used in structures (as concrete Rebar, reinforcing rods), in Bridge, bridges, infrastructure, Tool, tools, Ship, ships, Train, trains, Car, cars, Bicycle, bicycles, Machine, machines, Home appliance, electrical appliances, furniture, and Weapon, weapons. Iron is always the main element in steel, but other elements are used to produce various grades of steel demonstrating altered material, mechanical, and microstructural properties. Stainless steels, for example, typically contain 18% chromium and exhibit improved corrosion and Redox, oxidation resistance versus its carbon steel counterpart. Under atmospheric pressures, steels generally ...
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Single Carriageway
A single carriageway (British English) is a road with one, two or more lanes arranged within a one carriageway with no central reservation, central reservation/median strip to separate opposing flows of traffic. A single-track road is a type of single carriageway with a single lane with passing places for traffic in both directions. An undivided highway (American English) is the term used for motorways with two or more lanes with no central reservation/median strip. Road traffic safety is generally worse for high-speed single carriageways than for dual carriageways due to the lack of separation between traffic moving in opposing directions. Countries Ireland The term ''single carriageway'' is used for roads in Republic of Ireland, Ireland. Road speed limits in the Republic of Ireland, Speed limits on single-carriageway roads vary depending on their classification: national primary roads and national secondary roads have a general speed limit of , while Regional road (Ireland), ...
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Suspension Bridge
A suspension bridge is a type of bridge in which the deck (bridge), deck is hung below suspension wire rope, cables on vertical suspenders. The first modern examples of this type of bridge were built in the early 1800s. Simple suspension bridges, which lack vertical suspenders, have a long history in many mountainous parts of the world. Besides the bridge type most commonly called suspension bridges, covered in this article, there are other types of suspension bridges. The type covered here has cables suspended between towers, with vertical ''suspender cables'' that transfer the Structural load#Live load, imposed loads, transient load, live and Structural load#Dead load, dead loads of the deck below, upon which traffic crosses. This arrangement allows the deck to be level or to arc upward for additional clearance. Like other suspension bridge types, this type often is constructed without the use of falsework. The suspension cables must be anchored at each end of the bridge, s ...
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Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a total area of roughly 300,000 square kilometers, which are broadly categorized in Island groups of the Philippines, three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. With a population of over 110 million, it is the world's List of countries and dependencies by population, twelfth-most-populous country. The Philippines is bounded by the South China Sea to the west, the Philippine Sea to the east, and the Celebes Sea to the south. It shares maritime borders with Taiwan to the north, Japan to the northeast, Palau to the east and southeast, Indonesia to the south, Malaysia to the southwest, Vietnam to the west, and China to the northwest. It has Ethnic groups in the Philippines, diverse ethnicities and Culture o ...
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Golden Gate Bridge
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the strait connecting San Francisco Bay and the Pacific Ocean in California, United States. The structure links San Francisco—the northern tip of the San Francisco Peninsula—to Marin County, California, Marin County, carrying both U.S. Route 101 in California, U.S. Route 101 and California State Route 1 across the strait. It also carries pedestrian and bicycle traffic, and is designated as part of U.S. Bicycle Route 95. Recognized by the American Society of Civil Engineers as one of the Wonders of the World, Wonders of the Modern World, the bridge is one of the most internationally recognized symbols of San Francisco and California. The idea of a fixed link between San Francisco and Marin had gained increasing popularity during the late 19th century, but it was not until the early 20th century that such a link became feasible. Joseph Strauss (engineer), Joseph Strauss served as chief engineer for the p ...
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Bridges In The Philippines
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the path underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross. There are many different designs of bridges, each serving a particular purpose and applicable to different situations. Designs of bridges vary depending on factors such as the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it. The earliest bridges were likely made with fallen trees and stepping stones. The Neolithic people built boardwalk bridges across marshland. The Arkadiko Bridge, dating from the 13th century BC, in the Peloponnese is one of the oldest arch bridges in existence and use. Etymology The ''Oxford English Dictionary'' traces the origin of the word ''bridge' ...
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