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The Glenn L. Jackson Memorial Bridge, or I-205 Bridge, is a segmental bridge that spans the Columbia River between Portland, Oregon and Vancouver, Washington. It carries Interstate 205, a freeway bypass of Portland, Oregon. The structure is maintained by the Oregon Department of Transportation . Planning for the structure began in earnest in ...
The Astoria–Megler Bridge is a steel cantilever through-truss bridge in the Pacific Northwest region of the United States that spans the lower Columbia River. It carries a section of U.S. Route 101 from Astoria, Oregon , to Point Ellice near Megler, Washington .
Location in Washington. The Hood Canal Bridge (officially William A. Bugge Bridge) is a floating bridge in the northwest United States, located in western Washington. [2] It carries State Route 104 across Hood Canal in Puget Sound and connects the Olympic and Kitsap Peninsulas. At 7,869 feet (1.490 mi; 2.398 km) in length (floating portion ...
From 1777 and through at least 1839, a series of floating bridges offered passage at Gray's, or Lower, Ferry. 1816 painting by Joshua Rowley Watson. 1856 drawing of the floating bridges that were replaced in 1838. The first bridge across the Schuylkill River was a pontoon bridge built in 1777 by British troops occupying the city.
The high load factors resulting from the fact that water is around 800 times denser than air, and the predictable and reliable nature of tides compared with the wind, make tidal energy particularly attractive for electric power generation. Condition monitoring is the key for exploiting it cost-efficiently. See also. Renewable energy portal
Six construction workers on the bridge at the time died in the collapse. Around 7 a.m., during high tide Monday morning, tugboats were seen maneuvering the hulking ship out of the collapsed wreckage.
Interstate 205 Map of the Portland area with I-205 highlighted in red Route information Auxiliary route of I-5 Maintained by ODOT and WSDOT Length 37.13 mi (59.75 km) Existed 1958 –present History Completed in 1983 NHS Entire route Major junctions South end I-5 in Tualatin, OR Major intersections OR 213 / OR 224 in Clackamas, OR US 26 in Portland, OR I-84 / US 30 in Portland, OR SR 14 in ...
The Thomas A. Mathis Bridge was completed in 1950 to replace a narrow wooden bridge that had served as the only connection between the mainland and the shore. It is a bascule bridge that allows ship traffic to pass under the bridge when it is raised. The J. Stanley Tunney Bridge was completed in 1972 to carry westbound traffic, while the Mathis ...