Double Leaf Bascule Bridge

//Double Leaf Bascule Bridge

Double Leaf Bascule Bridge


Autoquip Double Leaf Bascule Bridges are hydraulically operated drawbridges that face each other and, when lowered, combine to span distances twice as long as single leaf bascule bridges. These drawbridges can also be raised and safely stored in the vertical position, eliminating cross-traffic interference.

Ideal for crossing two or more rail tracks or other traffic lanes, or accommodating low overhead clearances, double leaf bascule bridges are rated for outdoor duty and support capacities up to 60,000 pounds. Each platform is 20 feet long, creating a 40-foot span, and can be customized to special lengths, widths, and capacities.

Autoquip hydraulic Bascule Bridges have been designed and manufactured in America's heartland for over 35 years. Developed for customers demanding the very best in rugged, high capacity, custom-built industrial drawbridges, bascule bridges are highly customizable and extremely versatile. With access to our extensive database of custom application designs, our Autoquip team of technical sales and design experts excel at creating concepts that meet your specific requirements.


Durability and Quality

  • Chrome plated, 100,000 psi, ultimate-strength pins provide premium load strength and long life at hinge points.
  • Minimum 1/4-inch-thick steel-reinforced platform minimizes deck deflection, maximizes load stability, and greatly extends the life of the platform deck.
  • Structural steel channels in the transfer bridge provide rigidity and stability under heavy axle loads, ensuring many years of trouble-free use.
  • Chrome-plating improves rod durability and extends the life of cylinders and seals.

Maintenance and Warranty

  • Industry-best 2 year warranty on all parts provides assurance you’ve purchased the most reliable drawbridge in the industry and demonstrates that Autoquip stands behind every dock product and loading platform sold.
  • Maintenance-free bearings at pivot points require no lubrication
  • Heavy duty remote power unit with weather-proof cover is easily accessible for inspection and maintenance
  • Double wire braided Parker hydraulic hoses resist wear, abrasion, and leaks.


  • One-touch operator controls automatically engage and disengage safety wings during raising and lowering sequences.


  • Hydraulically operated bridge safety wings provide a stable and permanent structure for the bascule bridge to rest against during storage, relaxing the pressure in the hydraulic circuit.
  • Non-skid surface minimizes unexpected slipping and loss of traction in wet operating conditions.
  • Hydraulic velocity fuses completely stop lifts in the unlikely event of uncontrolled descent due to sudden hose rupture.
  • Minimum 3:1 structural factor of safety makes these bridges the most structurally sound bridge in the industry.
  • Compliance with recognized standards:
    • NFPA 70 – National Electric Code
    • ASTM – A36 – Structural Steel Standard
    • ANSI Z535 – Safety Labeling Requirements
    • AWS D.1 – Welding Standards
    • Applicable portions of OSHA 29CFR1910 – General workplace safety


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