Tuesday, October 21, 2014

Shasta County, California Bridges: Sacramento River Trail Bridge (2)

October 2014 (40.6015 Degrees, -122.4443 Degrees) Sacramento River Trail Bridge
Another view of the Sacramento River Trail (stressed-ribbon) Bridge. It was designed by Jiri Strasky, a Czech engineer who has built several of these bridges and has even written a book "Stress Ribbon and Cable-Supported Pedestrian Bridges" about them. However the concept of a catenary bridge is very old. Bridges made of ropes suspended over rivers were used by the Incas and Chinese for centuries. In the 1960s Leonel Viera designed the Maldonado Bridge in Uruguay by loading cables supporting precast segments with weights and then grouting the 'prestressed' structure together. 
Creative Commons License
Shasta County, California Bridges: Sacramento River Trail Bridge (2) by Mark Yashinsky is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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