Sam Hill Memorial Bridge
Coordinates: 45 ° 40 ′ 34 ″ N , 120 ° 50 ′ 10 ″ W.
| Sam Hill Memorial Bridge | ||
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| use |
 US Highway 97
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| Crossing of | Columbia River | |
| place |
Maryhill , Washington and Biggs Junction , Oregon |
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| construction | Girder bridge with central truss | |
| overall length | 782 m | |
| opening | 1962 | |
| location | ||
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The Sam Hill Memorial Bridge , also Biggs Rapids Bridge , is a two-lane road bridge over the Columbia River between Maryhill ( Klickitat County ) in Washington and Biggs Junction ( Sherman County ) in Oregon . It runs along US Highway 97 and is operated by the Washington State Department of Transportation . The daily traffic volume averages 5100 vehicles. It is named after the lawyer and businessman Samuel Hill (1857-1931), who campaigned for the expansion of the road network in Washington and Oregon at the turn of the century.
The bridge has a length of 782.4 m. It has a central steel truss , which is designed as a strut framework with posts and an underlying track. This segment offers a clear width of 91 m and a clear height of 23 m for shipping. The entrances on both sides of the truss are steel girder bridges that rest on seven pillars on the Oregon side and five pillars on the Washington side, as well as the respective abutments . The carriageway has a width of 7.9 m.
The bridge was built between 1960 and 1962 by Paul Jarvis Inc. from Seattle , the inauguration was on November 1st, 1962. Between 2007 and 2009, the concrete pavement including the reinforcing steel was completely renewed by the Mowat Construction Company , for which the bridge was temporarily closed was. The new pavement is given a service life of 70 years.
See also
Web links
- Border Bridges - US97 Sam Hill Memorial Bridge (WSDOT). Washington State Department of Transportation.
Individual evidence
- ↑ Border Bridges - US97 Sam Hill Memorial Bridge (WSDOT). Washington State Department of Transportation. Retrieved August 13, 2017.
- ^ Notable Oregonians: Samuel Hill - Good Roads Pioneer. Oregon Blue Book, Oregon Secretary of State. Retrieved August 13, 2017.
- ↑ Craig E. Holstine, Richard Hobbs: Spanning Washington: Historic Highway Bridges of the Evergreen State. Washington State Univ. Press, 2005, ISBN 0-87422-281-8 , p. 107 f.
- ↑ Biggs Bridge to close Sept. 8 Detours planned for state border crossing. Daily Sun News, August 27, 2008. Retrieved August 13, 2017.
- ↑ Biggs Rapids / Sam Hill Memorial Bridge - Project Details. Epoxy Interest Group. Retrieved August 13, 2017.