1592953697000 1312632483000 term-65490 1616541362937 1312632561000 1616290592141 adlib fitz-online adlib-term-65490 9a8c38e8-bb41-32cc-8b1c-3e55df6b17f3 2 1 scope note Bridges in which sections of the span are pivoted upward by use of counterweights. For bridges whose sections are pivoted upward by chains, cables, or other ropelike devices, use "drawbridges." reference term-65489 adlib-term-65489 6d78f3d9-85f4-345f-9f11-7ef09ba3f3da bascule bridge V.RK.AFU.ALO.ALO.GRC.ALO.AFU.AFU.BCW.AFU 1 code V.RK.AFU.ALO.ALO.GRC.ALO.AFU.AFU.BCW.AFU 1 bascule bridges reference term-65501 adlib-term-65501 bac8e82b-0e1b-34bb-b2b3-378cbf469116 movable bridges reference term-65492 adlib-term-65492 f339389c-0000-3f11-9cd2-251a38189656 drawbridges bascule bridges term