Ambassador Bridge from the Canadian side of the Detroit River
|Carries||4 undivided lanes of LECT|
|Official name||Ambassador International Bridge|
|Maintained by||Detroit International Bridge Company and Canadian Transit Company|
|Total length||7,500 feet (2,300 m)|
|Longest span||1,850 feet (560 m)|
|Clearance below||152 feet (46 m)|
|Constructed by||McClintic Marshall Steel Company|
|Construction begin||August 16, 1927|
|Construction end||November 6, 1929|
|Opened||November 11, 1929 |
|Daily traffic||10,000+ trucks per day, 4,000+ autos per day|
|Toll||US$5.00 / CA$6.25|
The Ambassador Bridge (officially the Ambassador International Bridge) is a suspension bridge that connects Detroit, Michigan, in the United States, with Windsor, Ontario, Canada. It is the busiest international border crossing in North America in terms of trade volume: more than 25% of all merchandise trade between the United States and Canada crosses the toll bridge. A 2004 Border Transportation Partnership study showed that 150,000 jobs in the region and US$13 billion in annual production depend on the Detroit–Windsor international border crossing.
The bridge is owned by Grosse Pointe billionaire Manuel Moroun through the Detroit International Bridge Company in the United States and the Canadian Transit Company in Canada. In 1979, when the previous owners of the bridge put it on the New York Stock Exchange and shares were traded, Moroun was able to buy shares, eventually acquiring the bridge.  The bridge carries 60 to 70 percent of commercial truck traffic in the region. Moroun also owns the Ammex Detroit Duty Free Stores at both the bridge and the tunnel.
A new bridge, the Gordie Howe International Bridge, proposed by the Detroit River International Crossing (DRIC) commission, has been approved for construction by the Canadian and United States governments. The new bridge further downriver between Detroit and Windsor will be owned and operated by the Windsor-Detroit Bridge Authority, a Crown corporation owned by the Canadian federal government.
After the American Civil War, Detroit–Windsor was a destination stop for railroads in the area. The Michigan Central and the Great Western railroads in addition to others operated on either side of the border connecting Chicago with the Atlantic Seaboard. To cross the Detroit River, these railroads operated ferries between docks on either side. The ferries lacked the capacity to handle the shipping needs of the railroads, and frequently there were 700–1,000 freight cars waiting to cross the river, with numerous passengers delayed in transit. Warehouses in Chicago were forced to store grain that could not be shipped to eastern markets and foreign goods were stored in eastern warehouses waiting shipment to the western United States. The net effect of these delays increased commodity prices in the country, and both merchants and farmers wanted a solution from the railroads.
The Michigan Central proposed the construction of a tunnel under the river with the support of their counterparts at the Great Western Railway. Construction started in 1871 and continued until ventilating equipment failed the next year; work was soon abandoned. Attention turned in 1873 to the alternative of building a railroad bridge over the river. The U.S. Army Corps of Engineers commissioned a study of a bridge over the Detroit River. Representatives of the shipping industry on the Great Lakes opposed any bridge with piers in the river as a hazard to navigation. Discussions continued for the remainder of the decade to no avail; a bridge over the Detroit River was not approved. The U.S. Congress requested a new study for a bridge in 1889, but no bridge was approved. Finally, the Michigan Central built the Detroit River Tunnel in 1909–10 to carry trains under the river. This tunnel benefited the Michigan Central and Great Western railroads, but the Canada Southern Railway and other lines still preferred a bridge over the river.
Plans for a bridge were revived in 1919 to commemorate the end of World War I and to honor the "youth of Canada and the United States who served in the Great War". The Ambassador Bridge opened November 15, 1929, its total cost of $23.5 million reportedly 1% under the budget.
A Canadian immigration inspector jumped to his death in April 1930, shortly after the bridge opened. The bridge has been used by other suicide jumpers. After it opened, high divers considered it as a venue for a record; but after measurements of the height and currents were taken into account, they were dissuaded and abandoned the attempt.
The bridge over the Detroit River had the longest suspended central span in the world when it was completed in 1929—1,850 feet (560 m). This was a record until the George Washington Bridge opened between New York and New Jersey in 1931. The bridge's total length is 7,500 feet (2,286 m). Construction began in 1927 and was completed in 1929. The architect was the McClintic-Marshall Company of Pittsburgh, Pennsylvania.
The bridge is made up of 21,000 short tons (19,000 tonnes) of steel, and the roadway rises as high as 152 feet (46 m) above the Detroit River. Only the main span over the river is supported by suspension cables; the approaches to the main pillars are held up by steel in a cantilever truss structure.
The bridge's only sidewalk is located on the South side of the structure. After the September 11 attacks pedestrians and bicycles were formally prohibited from traveling across the bridge due to increased security measures. For years prior to September 11, 2001, the sidewalk was closed due to on-going maintenance projects and repainting.
The four-lane bridge carries more than 10,000 commercial vehicles on a typical weekday. The Gateway Project, a major redesign of the U.S. plaza completed in July 2009, provides direct access to Interstate 96 (I-96) and I-75 on the American side and Highway 3 on the Canadian side. The Canadian end of the bridge connects to busy city streets in west Windsor, leading to congestion.
Additional bridge proposals
The Gordie Howe International Bridge to supplement the Ambassador Bridge has been proposed. Manuel "Matty" Moroun, private owner of the Ambassador Bridge, has spoken out against this proposal. He has sued the governments of Canada and Michigan to stop its construction, and released a proposal to build a second span of the Ambassador Bridge (which he would own) instead. Critics suggest that Moroun's opposition is fueled by the prospect of lost profits from duty-free gasoline sales, which are exempt from about 60 cents per gallon in taxes even though the pump price to consumers is only a few cents lower. On May 5, 2011, a judge dismissed the case, citing a lack of reasoning for it to proceed. The company which owns the Ambassador Bridge contends that the new bridge would affect its proposal for a second span which would be built next to the Ambassador Bridge.
Michigan and Canadian authorities continued to support the Gordie Howe International Bridge proposal, since it directly connects the Canadian E.C. Row Expressway and the future extension of Highway 401 (which will run concurrently as a shared highway for 2 kilometres (1.2 mi) to the future crossing as the Windsor–Essex Parkway after 2015) with I-75 and I-96 in Michigan, bypasses Windsor's surface streets and reduces congestion. An agreement announced on June 15, 2012, ensures the new bridge could proceed, with the Canadian federal government funding bridge construction, land acquisition in Michigan and the construction of ramps from I-75. The Canadian contribution will be repaid from bridge tolls, although to date[when?] no study has shown toll revenue forecasts.
The company which owns the Ambassador Bridge proposed its own twin span with six lanes to be built across the Detroit River. Cost estimates range from one to two billion U.S. dollars to build a second span. The new span would be a cable-stayed bridge and would accommodate the bulk of the cross-border traffic with the original span being used for overflow traffic.[third-party source needed] However, a twin span adjacent to the Ambassador Bridge, by itself, does not address Canadian concerns about traffic on Huron Church Road in Windsor. While many of the stop lights commonly cited will be removed by the planned expansion of the 401 which would connect to the downriver NITC bridge, the final approach to the Ambassador Bridge remains on overcrowded Windsor surface streets.
In April 2013, the U.S. State Department issued a Presidential permit to the state of Michigan for a new international crossing between the United States and Canada. Moroun has filed a lawsuit attempting to block the issuance of this permit, claiming that the Presidential permit process is unconstitutional.
The private ownership of the bridge has been controversial as the bridge carries approximately 25% of trade between Canada and the United States. Although alternate routes exist, including the nearby Detroit-Windsor Tunnel, preventing monopoly status, the route is of significant value since it passes directly through major metropolitan areas. It is the shortest possible route from Toronto to many areas in the American Midwest of Michigan, Ohio, Indiana, and Illinois. (The aforementioned tunnel prohibits certain vehicles).
In 2010 and 2011, the Wayne County Circuit Court found the Detroit International Bridge Company in contempt for failing to directly connect bridge access roads to the I-75 and I-96, and making other required improvements as part of the Gateway Project. These improvements would normally be under the control of the state government; however, the Detroit International Bridge Company withheld the improvements as part of a negotiation strategy. At one point, Matty Moroun and his chief deputy at the Detroit International Bridge Co, Dan Stamper, were jailed for non-compliance with orders to complete the on-ramps.
After many years of legal battles, activism by local people against neighborhood truck traffic, and stalling by Matty Moroun, the Michigan Department of Transportation (MDOT) took over the I-75/I-96 on-ramp project and opened the ramps in September 2012 after a six-month construction period. One possible motive for the Gateway Project delays is Moroun's desire to route traffic past his lucrative duty-free store and fuel pumps, one of only two border locations to sell untaxed fuel (the other is International Falls, Minnesota). Critics of the duty-free fuel operation object that sixty cents from each U.S. gallon goes not to paving Michigan's underfunded highways but instead directly to Matty Moroun.
Operators of large trucks under the International Fuel Tax Agreement, which in theory should impose Ontario tax and partially refund Michigan tax on fuel purchased in Detroit and consumed on Ontario's highway 401, may be disqualified for the Michigan IFTA refund, as the tax was never paid. In a 2012 lawsuit, the Michigan Department of Agriculture and Rural Development sued Moroun’s company, Ammex, claiming it mislabeled motorcar fuels to advertise 93 octane while tests showed as little as 91.2 octane.
- Blue Water Bridge, which links Port Huron, Michigan, to Sarnia, Ontario
- Sault Ste. Marie International Bridge, which links Sault Ste. Marie, Michigan, to Sault Ste. Marie, Ontario
- Hatt 1930, p. 4
- Hatt 1930, p. 7
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- Mason 1987, p. 48
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- Hyde, Charles K. (1993). Historic Highway Bridges of Michigan. Detroit: Wayne State University Press. ISBN 0-8143-2448-7.
- Mason, Philip P. (1987). The Ambassador Bridge: A Monument to Progress. Detroit: Wayne State University Press. ISBN 9780814318409.
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