A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Bridge crossing Three Mile Slough in lower Sacramento County, is 749 ft long and contains vertical lift span 175 ft long, which provides clear channel width of 150 ft; bridge carries 26-ft roadway and two 3 1/2 ft sidewalks; lift span weighs 350 tons and is counterbalanced with two 175-ton concrete weights; operations accomplished by 25-hp electric motor; 97-ft travel of lift span takes 1 1/2 min.
Bridge crossing Three Mile Slough in lower Sacramento County, is 749 ft long and contains vertical lift span 175 ft long, which provides clear channel width of 150 ft; bridge carries 26-ft roadway and two 3 1/2 ft sidewalks; lift span weighs 350 tons and is counterbalanced with two 175-ton concrete weights; operations accomplished by 25-hp electric motor; 97-ft travel of lift span takes 1 1/2 min.
New lift span
Calif Highways Pub Works
Brink, R.N. (author)
1949
3 pages
Article (Journal)
English
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