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51-527: In 2005, the construction of the viaduct was recognized as an event of National Historic Significance . Prior to the Lethbridge Viaduct, the main railway crossing over the Oldman River was a wooden trestle measuring 894 m (2,933 ft) long and 20 m (66 ft) high. The trestles on the original line out of Lethbridge totalled 4.5 km (2.8 mi). Many railways in the area went through

102-555: A 180 m (600 ft) trestle at Eight-Mile Coulee, and another of 270 m (900 ft) in length near Eight-Mile Coulee. At Sixteen-Mile Coulee there was a 240 m (800 ft) trestle, 41 m (133 ft) high with a 61 m (200 ft) truss span over the creek. Although the original route accomplished its purpose in allowing the CPR to rapidly complete the railway, it turned out to be expensive to operate. The original bridges were designed to last only about 10 years. In 1905,

153-732: A United States federal grand jury issued an indictment against Franz von Papen , Captain Hans Tauscher , Captain Karl Boy-Ed , Constantine Covani and Franz von Rintelen on charges of a plot to blow up the Welland Canal. However, Papen was at the time safely on German soil, having been expelled from the US several months previously for alleged earlier acts of espionage and attempted sabotage. Von Papen remained under indictment on these charges until he became Chancellor of Germany in 1932, at which time

204-656: A federal plaque, but the markers do not indicate which designation a subject has been given. The Welland Canal is an Event, while the Rideau Canal is a Site. The cairn and plaque to John Macdonell does not refer to a National Historic Person, but is erected because his home, Glengarry House, is a National Historic Site. Similarly, the plaque to John Guy officially marks not a Person, but an Event—the Landing of John Guy. Events have been designated in all ten provinces and three territories, as well as Belgium, China, France, Italy,

255-473: A minimum canal depth of 2.4 m (7.9 ft). Deterioration of the wood used in the 40 locks and the increasing size of ships led to demand for the Second Welland Canal, which used cut stone locks, within just a few years. In 1839 the government of Upper Canada approved the purchase of shares in the private canal company in response to the company's continuing financial problems in the face of

306-421: A minimum depth of 4.3 m (14 ft) with 26 stone locks, each 82.3 m (270 ft) long by 13.7 m (45 ft) wide. Even so, the canal was still too small for many boats. Construction on the current canal began in 1913, but work was put on hold from 1916 to 1919 due to a shortage of men and workers during World War I (1914–18) and was completed and officially opened on August 6, 1932. Dredging to

357-568: A point now marked as such on the west end of Bridge No. 11 (formerly Highway 20 ). This canal opened for a trial run on November 30, 1829. After a short ceremony at Lock One, in Port Dalhousie, the schooner Anne & Jane (also called "Annie & Jane" in some texts ) made the first transit, upbound to Buffalo, New York , with Merritt as a passenger on her deck. The first canal ran from Port Dalhousie, Ontario , on Lake Ontario south along Twelve Mile Creek to St. Catharines . From there it took

408-460: A standard depth of 8.2 m (27 ft) was adopted. The 13.4-kilometre (8.3 mi) long Welland By-Pass , built between 1967 and 1972, opened for the 1973 shipping season, providing a new and shorter alignment between Port Robinson and Port Colborne and by-passing downtown Welland. All three crossings of the new alignment—one an aqueduct for the Welland River—were built as tunnels. Around

459-666: A winding route up the Niagara Escarpment through Merritton, Ontario , to Thorold , where it continued south via Allanburg to Port Robinson, Ontario , on the Welland River . Ships went east (downstream) on the Welland River to Chippawa, at the south (upper) end of the old portage road, where they made a sharp right turn into the Niagara River, upstream towards Lake Erie. Originally, the section between Allanburg and Port Robinson

510-619: Is a ship canal in Ontario , Canada, and part of the St. Lawrence Seaway and Great Lakes Waterway . The canal traverses the Niagara Peninsula between Port Weller on Lake Ontario , and Port Colborne on Lake Erie , and was erected because the Niagara River —the only natural waterway connecting the lakes—was unnavigable due to Niagara Falls . The Welland Canal enables ships to ascend and descend

561-510: Is officially known now as the Welland Ship Canal . The Welland Canal's first "hands-free" vacuum mooring was tested in Lock 7 prior to 2014. The installation of the updated systems for Locks 1 through 7 was originally set to be completed in 2017, but the project was not finished until early 2018 after unforeseen delays. In the 1950s, with the building of the present St. Lawrence Seaway,

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612-738: The Alanis and the Florence Spirit , struck each other while executing a passing manoeuvre near Port Robinson . According to the St. Lawrence Seaway Management Corporation , no one was injured, no cargo was spilled, and an investigation would be undertaken. The final investigation report was released in August 2022. The Welland Canal has been the focus of plots on a number of occasions throughout its existence. However, only two have ever been carried out. The earliest and potentially most devastating attack occurred on September 9, 1841, at Lock No. 37 (Allanburg) of

663-508: The Crowsnest Pass between Lethbridge and Fort Macleod , over steep grades that hampered operations. In addition, extensive cuts and many other bridges were needed to cross various creeks and coulees . Past the St. Mary River crossing, several large cuts and large bridges were also required, including a 270 m (900 ft) trestle with a 61 m (200 ft) span west of the St. Mary River,

714-676: The Minister of Environment and Climate Change , as being defining actions, episodes, movements or experiences in Canadian history. To be designated, an event must have occurred at least forty (40) years previous; events that continue into the more recent past are evaluated on the basis of what occurred at least 40 years ago. As of June 2023, there are 500 National Historic Events that are already recorded. Related federal designations exist for National Historic Sites and National Historic Persons . Events, Sites, and Persons are each typically marked by

765-472: The Niagara Escarpment , and has followed four different routes since it opened. The Welland Canal passes about 3,000 ships which transport about 40 million tonnes (88 billion pounds) of cargo a year. It was a major factor in the growth of the city of Toronto, Ontario . The original canal and its successors allowed goods from Great Lakes ports such as Cleveland , Detroit , Milwaukee , and Chicago , as well as other heavily industrialized areas of

816-698: The Niagara River —above and below Niagara Falls , respectively. The Welland Canal Company was incorporated by the Province of Upper Canada, in 1824, after a petition by nine "freeholders of the District of Niagara". One of the petitioners was William Hamilton Merritt , who was in part looking to provide a regular flow of water for his many water-powered industries along the Twelve Mile Creek in Thorold . The construction began at Allanburg, Ontario , on November 30, at

867-646: The United States and Ontario , to be shipped to the Port of Montreal or to Quebec City , where they were usually reloaded onto ocean-going vessels for international shipping. The Welland Canal in use today is the Fourth Welland Canal. The First Welland Canal was excavated 7.3 metres (24 ft) wide and 2.4 metres (8 ft) deep from 1824–1829 with forty wooden locks and commenced operation on November 30, 1829. The Second Welland Canal began excavation in 1841 and

918-567: The CPR decided, to construct a completely new route on a better gradient to bypass the original line. The new line was built to the north of the Oldman River. It required two bridges, one in Lethbridge—the High Level Bridge —over the Oldman River, and another large bridge over the Oldman River again west of Monarch . This route eliminated many curves and reduced the grade from 1.2 percent to only 0.4 percent. It also saved 8.47 km (5.26 mi) of track. The Lethbridge Viaduct

969-482: The First Welland Canal ( 43°04′41″N 79°12′36″W  /  43.07796°N 79.20991°W  / 43.07796; -79.20991 ) (approximately 180 m north of today's Allanburg bridge ), when an explosive charge destroyed one of the lock gates. However, a catastrophic flood was prevented when a guard gate located upstream of the lock closed into place preventing the upstream waters from careening down

1020-616: The Fourth Canal began operating in 1932 the government of Canada closed the Second and Third canals which required costly upkeep as they were deemed redundant. The Fourth Canal is equipped with just eight locks compared to the forty locks needed by the First Welland Canal. In comparison the Panama Canal opened in 1914 with locks 34 metres (110 ft) wide and 320 metres (1,050 ft) long. The Welland Canal eclipsed other, narrower canals in

1071-587: The Netherlands, South Korea, the United Kingdom, and the United States. As of August 2023 , there are 501 National Historic Events recorded. The "Location" column identifies the place where an event happened or, in the case of widespread or non-specific locations, marks the place where a federal plaque to the event is located or is likely to be located, if known. Welland Canal The Welland Canal

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1122-479: The St. Lawrence Seaway Management Corporation (SLSMC) will likely close the bridge to all vehicle traffic until the end of the year. However, pedestrians will be able to cross the bridge, and emergency services will be able to cross the bridge on a limited basis. On Tuesday October 6, 2015, the City of Port Colborne released a media statement, which stated that Bridge 19, "will remain closed to vehicular traffic until after

1173-656: The Third Canal operating from 1887 until 1935 along with the still operating Second Welland Canal. The Fourth Welland Canal began construction in 1913 and was completed in 1932 with a delay due to World War I consuming vital manpower and materials. The Fourth Canal was once again an enlarged design to accommodate the increased size of ships with the main channel now 110 metres (350 ft) wide and 9.1 metres (30 ft) deep to permit two large ships to pass going in opposite directions. The current locks are 24 metres (80 ft) wide and 233 metres (766 ft) long. Three years after

1224-494: The Welland Canal are either movable bridges (of the vertical lift or bascule bridge types) or tunnels. The maximum permissible length of a ship in this canal is 225.5 metres (740 feet). It takes ships an average of about eleven hours to traverse the entire length of the Welland Canal. Before the digging of the Welland Canal, shipping traffic between Lake Ontario and Lake Erie used a portage road between Chippawa, Ontario , and Queenston, Ontario , which are both located on

1275-401: The Welland Canal for two days. The accident destroyed the ship's wheelhouse and funnel (chimney), ignited a large fire on board, and caused minor damage to the vertical-lift bridge. The accident and portions of its aftermath were captured on amateur video. The vessel was a total loss, but there were no reported injuries, and no pollution to the waterway. The damage to the bridge was focused on

1326-479: The Welland River at that point), and then split to run south to Port Colborne on Lake Erie. A feeder canal ran southwest from Welland to another point on Lake Erie, just west of Rock Point Provincial Park in Port Maitland . With the opening of the extension, the canal stretched 44 km (27 mi) between the two lakes, with 40 wooden locks. The minimum lock size was 33.5 by 6.7 m (110 by 22 ft), with

1377-416: The blast. While waiting to testify, the girl received death threats, but, they turned out to be a hoax . As for the prisoners, Nolan lost his sanity while incarcerated, John Walsh was eventually released while Luke Dillon remained in custody until July 12, 1914. The First World War brought with it plots against the canal and the most notable of them came to be known as "The Von Papen Plot". In April 1916,

1428-415: The bridge is depicted as abandoned for decades and collapsed in the middle. Events of National Historic Significance The Events of National Historic Significance, also called National Historic Events ( French : Les événements d'importance historique nationale ), are events that have been designated by Canada 's government, on the advice of the national Historic Sites and Monuments Board to

1479-417: The bridge to all vehicle and pedestrian traffic until an assessment could be made on the condition of the bridge. The vessel had sustained damage to its bridge, but was still able to continue on its voyage to Burns Harbour, Indiana. Pictures of the damage sustained to the vessel and Bridge 19 were captured. On Friday October 1, 2015, Chris Lee, an acting direct engineer for the City of Port Colborne, said that

1530-585: The centre of the vertical-lift span. It was repaired over a number of weeks and reopened to vehicular traffic on November 16, 2001. The Marine Investigation Report concluded, "it is likely that the [vertical-lift bridge] operator's performance was impaired while the bridge span was lowered onto the Windoc." At around noon on Wednesday September 30, 2015, the Lena J cargo ship collided with Bridge 19 in Port Colborne, closing

1581-407: The charges were dropped. The canal regularly opens late March through December, with closure in the winter due to hazardous weather. On March 20, 2007, the record for the earliest season opening was broken, and matched the following year. Locks and crossings are numbered from north to south. The following illustration depicts the profile of the Welland Canal. The horizontal axis is the length of

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1632-480: The close of the shipping season in December. Repairs will begin in early January." Detour routes have been planned and mapped by the City of Port Colborne and the City of Welland in order to ease the flow of traffic over Bridge 19A. The Welland Canal Fallen Workers Memorial at Lock 3 was unveiled on November 12, 2017. This commemorates the 137 workers who died while building the canal. On July 11, 2020 two cargo ships,

1683-506: The continental financial panic of 1837 . The public buyout was completed in 1841, and work began to deepen the canal and to reduce the number of locks to 27, each 45.7 by 8.1 m (150 by 27 ft). By 1846, a 2.7 m (9 ft) deep path was completed through the Welland Canal, and by 1848 that depth was extended the rest of the way to the Atlantic Ocean via the future path of the St. Lawrence Seaway . Competition came in 1854 with

1734-474: The locks (Locks 1–7, the 'Lift' locks) are 233.5 m (766 ft) long and raise (or lower) passing ships by between 13 and 15 m (43 and 49 ft) each. The southernmost lock, (Lock 8 – the 'Guard' or 'Control' lock) is 349.9 m (1,148 ft) in length. The Garden City Skyway passes over the canal, restricting the maximum height of the masts of the ships allowed on this canal to 35.5 m (116 ft). All other highway or railroad crossings of

1785-509: The opening of the Erie and Ontario Railway , running parallel to the original portage road. In 1859, the Welland Railway opened, parallel to the canal and with the same endpoints. But this railway was affiliated with the canal, and was actually used to help transfer cargoes from the lake ships, which were too large for the small canal locks, to the other end of the canal (The Trillium Railway owns

1836-577: The planned 25 foot depth was not completed until 1935. The route was again changed north of St. Catharines, now running directly north to Port Weller . In this configuration, there are eight locks, seven at the Niagara Escarpment and the eighth, a guard lock , at Port Colborne to adjust with the varying water depth in Lake Erie. The depth was now 7.6 m (25 ft), with locks 233.5 m (766 ft) long by 24.4 m (80 ft) wide. This canal

1887-561: The railway's remnants and Port Colborne Harbour Railway ). Smaller ships called "canallers" also took a part of these loads. Due to this problem, it was soon apparent the canal would have to be enlarged again. On April 20, 1882 the canal was re-opened, increasing the depth to twelve feet throughout. The increased depth allowed for ships carrying up to 24,000 bushels of grain to navigate the canal whereas they previously they had only been able to carry about 18,000 bushels. The first trip from Oswego carried 700 tons of coal, compared to 500 tons which

1938-652: The region, such as the Trent-Severn Waterway and, significantly, the Erie Canal (which linked the Atlantic and Lake Erie via New York City and Buffalo, New York ) by providing a shorter, more direct connection from Port Colbourne on Lake Erie to Port Weller on Lake Ontario. The southern, Lake Erie terminus of the canal is 99.5 metres (326 feet) higher than the northern terminus on Lake Ontario. The canal includes eight 24.4-metre-wide (80 ft) ship locks . Seven of

1989-658: The route of the Canal and causing further damage and possible injury or loss of life. It was suspected that Benjamin Lett was responsible for the explosion. On April 21, 1900, about 6:30 in the evening, a dynamite charge was set off against the hinges of Lock No. 24 of the Third Welland Canal (just to the east of Lock No. 7 of today's canal ( 43°07′23″N 79°11′33″W  /  43.122976°N 79.192372°W  / 43.122976; -79.192372 )), doing minor damage. This time,

2040-471: The saboteurs were caught in nearby Thorold. John Walsh, John Nolan and the ringleader "Dynamite" Luke Dillon (a member of Clan-na-Gael ) were tried at the Welland Courthouse and found guilty, receiving life sentences at Kingston Penitentiary . The "star witness" at the trial was a 16-year-old Thorold girl named Euphemia Constable, who caught a good look at the bombers before being knocked unconscious by

2091-639: The same time, the Thorold Tunnel was built at Thorold and several bridges were removed. These projects were to be tied into a proposed new canal, titled the Fifth Welland Canal , which was planned to by-pass most of the existing canal to the east and to cross the Niagara Escarpment in four twinned Panamax locks. While land for the project was expropriated and early designs initiated, the project never got past early planning or construction stages and has since been shelved. The present Welland Ship Canal

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2142-453: The steelwork began in mid-August 1908 and was performed by around 100 workers. Transport of the steel to the site required 645 railway cars while another 40 were needed to bring in equipment. Once the steelwork reached track level at the Lethbridge end, it was possible to begin assembly using a huge travelling crane called an "erection traveller", which was built on site at a cost of $ 100,000 and

2193-533: The upstream gates of Lock No. 22 of the 3rd Welland Canal, forcing them open by six inches. The resulting surge of water flooded downstream, cresting the upstream gates of Lock No. 21 where five boys were fishing. One boy ran to safety and one of the boys was saved by a government surveyor. But the remaining three were knocked into the water, drowning in the surge. On August 25, 1974, the northbound ore-carrier Steelton struck Bridge 12 in Port Robinson. The bridge

2244-533: Was designed by the CPR's bridge department in Montreal , Quebec . Construction began in the summer of 1907, directed by CPR's Assistant Chief Engineer John Edward Schwitzer . Clearing and grading the site, construction of piers, and placement of the footings progressed while the steelwork was being prefabricated. The steelwork was manufactured by the Canadian Bridge Company of Walkerville, Ontario . Raising

2295-440: Was designed to follow a straighter and thus shorter route than the first two and began construction in 1872 through 1887. It was 30 metres (100 ft) wide and 4.3 metres (14 ft) deep, with 26 masonry locks lined with wood to protect ships rubbing against the sides or bottom. The Third Canal locks were again larger being 14 metres (45 ft) wide and 82 metres (270 ft) long. The canal permitted access to larger ships with

2346-426: Was originally designed to last until 2030, almost 100 years after it first opened, and 200 years since the first full shipping season of the original canal in 1830. Subsequent improvements to the canal infrastructure mean that it may last much longer before it needs to be replaced. On June 20, 1912, the government survey steamer La Canadienne lost control due to mechanical problems in the engine room and smashed into

2397-409: Was planned to be carried in a tunnel. However, the sandy soil in this part of Ontario made a tunnel infeasible, and a deep open-cut canal was dug instead. A southern extension from Port Robinson opened in 1833, with the founding of Port Colborne. This extension followed the Welland River south to Welland (known then as the settlement of Aqueduct, for the wooden aqueduct that carried the canal over

2448-598: Was possible before the increased depth. In 1887, a new shorter alignment was completed between St. Catharines and Port Dalhousie. One of the most interesting features of this third Welland Canal was the Merritton Tunnel , built in 1876 on the Grand Trunk Railway line that ran under the canal between Locks 18 and 19. Another nearby tunnel carried the canal over a sunken section of the St David's Road. The new route had

2499-518: Was rising and the impact knocked the bridge over, destroying it. No one was killed. The bridge master, Albert Beaver, and a watchman on the ship suffered minor injuries. The bridge has not been replaced and the inhabitants of Port Robinson have been served by a ferry for many years. The Welland Public Library archive has images of the aftermath. On August 11, 2001, the lake freighter Windoc collided with Bridge 11 in Allanburg, closing vessel traffic on

2550-509: Was used to lower the steel beams and girders into place. The last girder was placed in June 1909 and riveting was completed in August 1909. The total cost of the Lethbridge Viaduct's construction was $ 1,334,525. The second bridge over the Oldman River, near Monarch, is 580 m (1,890 ft) long and 46 m (150 ft) high. The Lethbridge Viaduct appears in the 4th episode of the 2023 TV series The Last of Us . Through videographic editing,

2601-422: Was wider at 11 metres (36 ft) and deeper at 2.7 metres (9 ft) with larger locks made of stone to replace the wooden locks used in the first canal. It was wider and deeper than the first to provide access for larger ships up to 46 metres (150 ft) long. The Second Welland Canal was completed in 1845 and remained in operation for nearly a century before closing permanently in 1935. The Third Welland Canal

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