This occupation is included in the larger group of pipelayingfitters, pipefitters, and plumbers.. The median wage for this groupis $4,781 per month ($27.58 per hour). Half of all of these workersearn between $3,602 and $5,651 per month ($20.78 and $32.60per hour).
When supporting joists that span 12 feet with no overhang beyond the beam, a double ply beam can span in feet a value equal to its depth in inches. A double 2x12 beam can span 12 feet; a (2) 2x10 can span 10 feet and so on.
1 Open to traffic. 2  Original two-lane spans with through-truss suspension bridge and regular cantilever design built 1949-52 and opened 1952; second three-lane span with deck suspension and arched cantilever opened 1973; rehabilitated 1988. 3  Total length: 21,287.1 ft. 4  Span length: 1,600.1 ft.