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The Wedospace modular steel bridge is made of high-strength low-alloy steel, supports AASHTO HS-25 and European standard heavy-duty grades, and standardized component design ensures that rapid erection can be completed within 3 to 14 days without welding on site. Wedospace is the source manufacturer with its own hot-dip galvanizing production line. It strictly implements the ISO quality system, eliminates the premium of traders, provides you with highly competitive ex-factory price and shortens the production delivery cycle by 30%.
modular steel bridge is mainly used in temporary highway diversion, emergency disaster relief channel, heavy-duty transportation in remote mining areas and municipal permanent bridge construction.
High-strength steel with a yield strength of 420MPa is used, and the structural design strictly follows AASHTO and Eurocode standards. The measured single span can withstand HS-25 highway train loads or 100-ton mining trucks to meet the transportation needs of heavy engineering vehicles.
All steel members are hot-dip galvanized with an average thickness of 85 microns or more. In the coastal high salt fog or humid jungle environment, can effectively prevent corrosion, to ensure that the bridge structure to achieve more than 50 years of maintenance-free service life.
A fully automatic CNC drilling production line is introduced to control the coaxiality error of pin holes and bolt holes within 0.5mm. Compared with traditional manual drilling, the pin-piercing efficiency during installation is improved by 40%, which eliminates on-site rework caused by hole position deviation.
Standardized truss sheet and beam design, all components are interchangeable. The disassembled parts are compact in size and can be directly loaded into 1333.32cm standard containers for shipping. Compared with the integral steel bridge, the logistics and transportation cost is reduced by 60%.
With the unique nose frame guidance system, there is no need to build cofferdams or use large floating cranes in the river. Only need to use the cantilever to push to the opposite bank after the shore is assembled, especially suitable for non-interference construction across deep valleys, fast-flowing rivers or ecological protection zones.
Critical stressed members have undergone rigorous fatigue testing and can withstand more than 2 million heavy-duty cycle impacts. It effectively avoids the risk of metal fatigue fracture caused by long-term heavy vehicle traffic, and greatly guarantees the operational safety of the EPC project in the later stage.
| Technical parameters category | Detailed specifications |
| Product Name | Modular Steel Bridge |
| Main steel grades | Q345B, Q420 |
| Yield strength | ≥ 345 MPa or ≥ 420 MPa |
| Standard span combination | Each section is 3.048 meters (10 feet) long and supports a multi-span continuous beam. |
| Bridge deck clear width | Single lane: 3.15m / 4.2m; Dual lane: 7.35m |
| Design load standard | AASHTO HS-20, HS-25, HL-93, BS 5400 HA/HB |
| Maximum free span | A single span can reach 91.44 meters (300 feet), with no restrictions on multiple spans. |
| Surface anti-corrosion treatment | Hot-dip galvanizing (ISO 1461 standard), zinc coating thickness ≥ 85 μm |
| Connection method | Pin connection and high-strength bolt connection (no on-site welding required) |
| Temperature range | -40°C to +60°C |
| Wind resistance | Designed to withstand wind speeds up to 120 km/h |
| Seismic resistance level | Peak ground acceleration (PGA) 0.4g |
Suitable for project managers who need to strictly control the duration and budget. The rapid assembly characteristics of the Wedospace modular steel bridge can help the contractor to avoid the huge risk of liquidated damages caused by the delay of the construction period in the highway reconstruction and expansion or temporary access road project.
Applicable to government agencies responsible for rural infrastructure construction or disaster emergency management. Our products can provide low-cost permanent river crossing for villages and towns, and serve as national strategic reserves for rapid deployment in the event of floods or earthquakes to restore traffic lifelines.
It is suitable for enterprises that carry out resource extraction in remote areas. The high bearing capacity design of Wedospace steel bridge is specially designed for the passage of mining dump trucks and heavy drilling rigs above 100 tons, ensuring the smooth transportation of mined mineral resources and the continuity of the supply chain.
Suitable for defense units that require high mobility and tactical leapfrogging capability. Our steel bridge components have a high degree of standardization, can be disassembled and reused, and fully meet the tactical needs of rapid bridge building and ensuring the passage of armored vehicles and logistics convoys in a field environment.
According to the foundation reaction data provided by the Wedospace, cast concrete abutments or install steel temporary supports on both sides of the river. The theodolite is used to accurately calibrate the bearing position to ensure that the elevation error of the bearings on both sides is controlled within 5mm, which lays the foundation for the smooth landing of the bridge.
A roller system shall be laid on the roll-out bank to level a site approximately 1.5 times the length of the bridge span. First, assemble a lighter guide nose frame, which is usually 2/3 the total length of the bridge, to adjust the center of gravity and ensure that the bridge body does not overturn when the cantilever is pushed out.
Connect the standard bridge section in turn behind the nose frame. Connect the upper and lower chords with special pins and tighten the stiffener and beam bolts to the specified torque with a torque wrench. The verticality and straightness of the truss shall be checked once every 1 section to prevent accumulated errors.
Push the bridge smoothly to the opposite bank by bulldozer or hoist until the nose frame is fully lapped on the roller on the opposite bank. Remove the nose frame, lift the bridge with jacks, remove the rollers, slowly place the bridge on permanent supports, and finally lay the bridge deck system.
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Welcome to our Frequently Asked Questions page. We have compiled answers to common questions you may have, hoping to provide you with clear and quick solutions. If you cannot find the information you need here, please feel free to contact our customer support team.
The Wedospace modular steel bridge is made of high-strength low-alloy steel, supports AASHTO HS-25 and European standard heavy-duty grades, and standardized component design ensures that rapid erection can be completed within 3 to 14 days without welding on site. Wedospace is the source manufacturer with its own hot-dip galvanizing production line. It strictly implements the ISO quality system, eliminates the premium of traders, provides you with highly competitive ex-factory price and shortens the production delivery cycle by 30%.
Q345B/Q420
Material
9 m to 90 m
Span range
HS-25/100 tons
Design load
High-strength steel with a yield strength of 420MPa is used, and the structural design strictly follows AASHTO and Eurocode standards. The measured single span can withstand HS-25 highway train loads or 100-ton mining trucks to meet the transportation needs of heavy engineering vehicles.
All steel members are hot-dip galvanized with an average thickness of 85 microns or more. In the coastal high salt fog or humid jungle environment, can effectively prevent corrosion, to ensure that the bridge structure to achieve more than 50 years of maintenance-free service life.
A fully automatic CNC drilling production line is introduced to control the coaxiality error of pin holes and bolt holes within 0.5mm. Compared with traditional manual drilling, the pin-piercing efficiency during installation is improved by 40%, which eliminates on-site rework caused by hole position deviation.
Standardized truss sheet and beam design, all components are interchangeable. The disassembled parts are compact in size and can be directly loaded into 1333.32cm standard containers for shipping. Compared with the integral steel bridge, the logistics and transportation cost is reduced by 60%.
With the unique nose frame guidance system, there is no need to build cofferdams or use large floating cranes in the river. Only need to use the cantilever to push to the opposite bank after the shore is assembled, especially suitable for non-interference construction across deep valleys, fast-flowing rivers or ecological protection zones.
Critical stressed members have undergone rigorous fatigue testing and can withstand more than 2 million heavy-duty cycle impacts. It effectively avoids the risk of metal fatigue fracture caused by long-term heavy vehicle traffic, and greatly guarantees the operational safety of the EPC project in the later stage.
| Technical parameters category | Detailed specifications |
| Product Name | Modular Steel Bridge |
| Main steel grades | Q345B, Q420 |
| Yield strength | ≥ 345 MPa or ≥ 420 MPa |
| Standard span combination | Each section is 3.048 meters (10 feet) long and supports a multi-span continuous beam. |
| Bridge deck clear width | Single lane: 3.15m / 4.2m; Dual lane: 7.35m |
| Design load standard | AASHTO HS-20, HS-25, HL-93, BS 5400 HA/HB |
| Maximum free span | A single span can reach 91.44 meters (300 feet), with no restrictions on multiple spans. |
| Surface anti-corrosion treatment | Hot-dip galvanizing (ISO 1461 standard), zinc coating thickness ≥ 85 μm |
| Connection method | Pin connection and high-strength bolt connection (no on-site welding required) |
| Temperature range | -40°C to +60°C |
| Wind resistance | Designed to withstand wind speeds up to 120 km/h |
| Seismic resistance level | Peak ground acceleration (PGA) 0.4g |
Suitable for project managers who need to strictly control the duration and budget. The rapid assembly characteristics of the Wedospace modular steel bridge can help the contractor to avoid the huge risk of liquidated damages caused by the delay of the construction period in the highway reconstruction and expansion or temporary access road project.
Applicable to government agencies responsible for rural infrastructure construction or disaster emergency management. Our products can provide low-cost permanent river crossing for villages and towns, and serve as national strategic reserves for rapid deployment in the event of floods or earthquakes to restore traffic lifelines.
It is suitable for enterprises that carry out resource extraction in remote areas. The high bearing capacity design of Wedospace steel bridge is specially designed for the passage of mining dump trucks and heavy drilling rigs above 100 tons, ensuring the smooth transportation of mined mineral resources and the continuity of the supply chain.
Suitable for defense units that require high mobility and tactical leapfrogging capability. Our steel bridge components have a high degree of standardization, can be disassembled and reused, and fully meet the tactical needs of rapid bridge building and ensuring the passage of armored vehicles and logistics convoys in a field environment.
According to the foundation reaction data provided by the Wedospace, cast concrete abutments or install steel temporary supports on both sides of the river. The theodolite is used to accurately calibrate the bearing position to ensure that the elevation error of the bearings on both sides is controlled within 5mm, which lays the foundation for the smooth landing of the bridge.
A roller system shall be laid on the roll-out bank to level a site approximately 1.5 times the length of the bridge span. First, assemble a lighter guide nose frame, which is usually 2/3 the total length of the bridge, to adjust the center of gravity and ensure that the bridge body does not overturn when the cantilever is pushed out.
Connect the standard bridge section in turn behind the nose frame. Connect the upper and lower chords with special pins and tighten the stiffener and beam bolts to the specified torque with a torque wrench. The verticality and straightness of the truss shall be checked once every 1 section to prevent accumulated errors.
Push the bridge smoothly to the opposite bank by bulldozer or hoist until the nose frame is fully lapped on the roller on the opposite bank. Remove the nose frame, lift the bridge with jacks, remove the rollers, slowly place the bridge on permanent supports, and finally lay the bridge deck system.
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