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Ship Canal Bridge

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Ship Canal Bridge
The Ship Canal Bridge looking south towards downtown. To the left is the University Bridge.
Coordinates47°39′11″N 122°19′23″W / 47.6531°N 122.323°W / 47.6531; -122.323
CarriesInterstate 5
CrossesPortage Bay
LocaleSeattle, Washington
Characteristics
DesignDouble-deck truss
Total length4,429 ft (1,350 m)
Width119 ft (36 m) (top deck)
Clearance below182 ft (55 m)
History
OpenedDecember 1962
Location
Map

The Ship Canal Bridge is a double-deck steel truss bridge[1] that carries Interstate 5 over Seattle's Portage Bay (part of the Lake Washington Ship Canal, after which it is named) between Capitol Hill and the University District. The canal below connects Lake Union with Lake Washington. Construction was completed in 1961 and the bridge opened to traffic in December 1962. It is 4,429 ft (1,350 meters) long, stands 182 feet above the canal and is 119 feet wide at the upper deck. It was the largest bridge of its kind in the Northwest when it first opened. The bridge is double decked, with the upper deck carrying traffic in both directions and the lower deck (the express lanes) carrying traffic southbound in the morning and northbound in the afternoon.

Other nearby bridges include University Bridge, Montlake Bridge, and George Washington Memorial Bridge (the Aurora Ave bridge).

After the Mississippi River Bridge collapse of August 1, 2007 this is one of the bridges WSDOT is inspecting as it is a similar design.[2]

References

  1. ^ "Final List of Nationally and Exceptionally Significant Features of the Federal Interstate Highway System". Environmental Review Toolkit. Federal Highway Administration, USDOT. Retrieved February 19, 2011.
  2. ^ "WSDOT Takes Closer Look At Steel Truss Bridges". Washington State Department of Transportation. August 3, 2007Template:Inconsistent citations {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: postscript (link) [dead link]

External links