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Double Lanes GW D Modular bridge

Short Description:

Model Alias: CD450, CD, 450
Std. Double lanes : Bridge deck net width: 7.35m.
Maximum Free Span length: 91.44m
D-bridge is the patent of Great Wall;It was invited from Germany and has advantage in the long-span and big loading comparing to bailey bridge. Thus, it can save cost of piers.

Product Detail

Product Tags


Product name: Double Lanes GW D Modular bridge
Model alias: Type CD450; Type CD; Type 450; Replace Delta Bridge (Delta Bridge);
Truss piece model: GW D type
Conventional size of truss piece: 3.048m×2.35m
Standard lane width of steel bridge: 3.15m special single lane;
4.2m standard single lane;
7.35m standard two-lane;
(It can also be specially made according to customer needs)
Single lane beam size: H450
Double-lane beam size: H700
Maximum span of steel bridge design: Single-lane 91.44m single span
82.296m single span with two lanes;
(If the total length is greater than the maximum single-span length, multi-span continuous beams can be used, or GWD steel bridges can be selected)
Load class: Class 10 for automobiles; Class 15 for automobiles; Class 20 for automobiles; Class 50 for crawlers; Class 80 for trailers; 40 tons for bicycles; 60 tons for bicycles;
AASHTO HS20, HS25-44, HL93, BS5400 HA + HB; City-A; City-B; Highway-I; Highway-II; Indian standard Class-40; Australian standard T44; Korean standard D24, etc.
Design: GW D type SS, SSR, DS, C3DS, C3DSR, DD, C3DD, C3DDR, etc.
According to the difference of span and load, select the appropriate row. Contact us for free design.
Main material of steel bridge: GB Q345B
Connecting bolt grade: 10.9 grade high-strength bolts
Surface corrosion: Hot-dip galvanizing; paint; heavy-duty anticorrosive paint for steel structure; asphalt paint; anti-skid aggregate treatment of bridge deck, etc.
Bridge erection method: Cantilever push-out method; hoisting method; floating method; in-situ assembly method; soil pile construction method, etc.
Installation takes time: 15-30 sunny days after the abutment and other conditions are met (determined according to the length of the bridge and site conditions)
Installation requires workers: 6-8 (determined according to site conditions)
Equipment required for installation: Cranes, hoists, jacks, chain hoists, etc. (Can be adjusted according to site conditions)
Steel bridge features: Large span, saving the cost of bridge piers, light fittings, quick assembly, interchangeable, detachable, long life
Pass the certification: ISO, CCIC, BV, SGS, CNAS, etc.
Executive standard: JT-T/728-2008
manufacturer: Zhenjiang Great Wall Heavy Industry Technology Co., Ltd.
Annual output: 12000 tons


Double Lanes GW D Modular bridge has been widely used in rescue and disaster relief, traffic engineering, municipal water conservancy engineering, dangerous bridge reinforcement, etc. in addition to being a war-ready steel bridge.

Double Lanes GW D Modular bridge (1)

Product advantages

1.Simple structure
2.long life
3. longer span
4.saving the cost of bridge piers,
5.wider application
6.Can be customized

Double Lanes GW D Modular bridge (2)

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