Marée Channel Bridge-Tunnel
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The Marée Channel Bridge-Tunnel, officially the Marée Channel Bridge-Tunnel and Causeway System, is a 66.1 kilometres (41.1 mi) crossing over the Marée Channel between the Cartadanian states of Maresia and São Ricardo. Connecting the cities of Aumiers and Lua, it forms the eastern portion of the larger Fortuna Expressway and more largely, IH-90.
Marée Channel Bridge-Tunnel | |
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| Carries | 8 lanes of  I-90 (6 in use) |
| Crosses | Marée Channel |
| Locale | East of Lua and west of Aumiers, Maresia |
| Official name | Marée Channel Bridge-Tunnel and Causeway System |
| Other name(s) | MCBT |
| Named for | Marée Channel |
| Maintained by | |
| Characteristics | |
| Design | Cable-stayed |
| Total length | 66.1 kilometres (41.1 mi) |
| Width | 32.9 metres (108 ft) |
| Height | 300 metres (984 ft) |
| Longest span | 1,085 metres (3,560 ft) |
| Clearance above | 85 metres (279 ft) |
| Clearance below | 58 metres (190 ft) |
| No. of lanes | 8 (6 in use) |
| Design life | 120 years |
| History | |
| Engineering design by | Neptune Engineering Group |
| Constructed by | Burgons and Osfings |
| Construction start | June 2007 |
| Construction cost | $29.6 billion |
| Opened | July 1, 2014 |
| Replaces | Marée Channel Ferry |
| Location | |
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Completed in 2014, the MCBT was the most expensive individual federal highway project in the country's history. It is part of a sea link complex crossing the state of São Ricardo, along with the Aluna Channel Bridge-Tunnel, which adjoins the Fortuna Expressway and connects São Ricardo to Alexandria.