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CB100
Culvert pipe bridges are specialized, low-profile structures that use large-diameter pipes (culverts) as the primary load-bearing element, designed for small-scale crossings like streams, ditches, or narrow gulleys. Unlike traditional bridges with separate decks and supports, these bridges integrate the “pipe” and “deck” into one unit, making them ideal for rural areas, residential neighborhoods, or light-traffic zones where space, cost, and simplicity are priorities.
The core design of a culvert pipe bridge revolves around its pipe structure. Typically made of durable materials like reinforced concrete, corrugated steel, or high-density polyethylene (HDPE), the culvert pipe spans the gap between two banks. The pipe’s interior or top surface serves as the crossing surface: for pedestrian use, gravel or asphalt may be laid inside the pipe; for light vehicles (like golf carts or farm tractors), the pipe’s top is reinforced with a thin concrete or steel deck. Steel culverts, in particular, offer strength and corrosion resistance (with galvanized coatings), making them suitable for wet environments where water flow through the pipe (to prevent flooding) is also a priority.
One of the biggest advantages of culvert pipe bridges is their low cost and easy installation. Unlike complex truss or beam bridges, they require minimal site preparation—often just leveling the banks and placing the pipe into position with a small excavator. A standard 3–5 meter culvert pipe bridge can be installed in a single day by a small crew, reducing labor and equipment expenses. This makes them popular for rural farmsteads (crossing irrigation ditches), suburban parks (spanning small streams), or residential areas (connecting driveways over drainage channels).
Versatility and low maintenance further enhance their appeal. They adapt to different terrain: concrete pipes handle heavy loads for light vehicles, while HDPE pipes are lightweight for remote, hard-to-reach sites. Since the pipe structure is enclosed, it resists debris buildup and weather damage—steel culverts may need occasional coating touch-ups, but concrete or HDPE models require almost no upkeep for decades. Additionally, their low profile blends with the surrounding landscape, avoiding the visual impact of taller bridges.
While not suited for heavy traffic or long spans, culvert pipe bridges excel at solving small-scale crossing challenges. They prove that effective infrastructure doesn’t need to be complex—by leveraging the simplicity of pipe design, they deliver reliable, affordable connectivity for communities and landscapes where larger bridges are unnecessary.
| CB321(100) Truss Press Limited Table | |||||||||
| No. | Lnternal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Standard Truss Moment(kN.m) | 788.2 | 1576.4 | 2246.4 | 3265.4 | 1687.5 | 3375 | 4809.4 | 6750 |
| 321(100) | Standard Truss Shear (kN) | 245.2 | 490.5 | 698.9 | 490.5 | 245.2 | 490.5 | 698.9 | 490.5 |
| 321 (100) Table of geometric characteristics of truss bridge(Half bridge) | |||||||||
| Type No. | Geometric Characteristics | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Section properties(cm3) | 3578.5 | 7157.1 | 10735.6 | 14817.9 | 7699.1 | 15398.3 | 23097.4 | 30641.7 |
| 321(100) | Moment of inertia(cm4) | 250497.2 | 500994.4 | 751491.6 | 2148588.8 | 577434.4 | 1154868.8 | 1732303.2 | 4596255.2 |
Culvert pipe bridges are specialized, low-profile structures that use large-diameter pipes (culverts) as the primary load-bearing element, designed for small-scale crossings like streams, ditches, or narrow gulleys. Unlike traditional bridges with separate decks and supports, these bridges integrate the “pipe” and “deck” into one unit, making them ideal for rural areas, residential neighborhoods, or light-traffic zones where space, cost, and simplicity are priorities.
The core design of a culvert pipe bridge revolves around its pipe structure. Typically made of durable materials like reinforced concrete, corrugated steel, or high-density polyethylene (HDPE), the culvert pipe spans the gap between two banks. The pipe’s interior or top surface serves as the crossing surface: for pedestrian use, gravel or asphalt may be laid inside the pipe; for light vehicles (like golf carts or farm tractors), the pipe’s top is reinforced with a thin concrete or steel deck. Steel culverts, in particular, offer strength and corrosion resistance (with galvanized coatings), making them suitable for wet environments where water flow through the pipe (to prevent flooding) is also a priority.
One of the biggest advantages of culvert pipe bridges is their low cost and easy installation. Unlike complex truss or beam bridges, they require minimal site preparation—often just leveling the banks and placing the pipe into position with a small excavator. A standard 3–5 meter culvert pipe bridge can be installed in a single day by a small crew, reducing labor and equipment expenses. This makes them popular for rural farmsteads (crossing irrigation ditches), suburban parks (spanning small streams), or residential areas (connecting driveways over drainage channels).
Versatility and low maintenance further enhance their appeal. They adapt to different terrain: concrete pipes handle heavy loads for light vehicles, while HDPE pipes are lightweight for remote, hard-to-reach sites. Since the pipe structure is enclosed, it resists debris buildup and weather damage—steel culverts may need occasional coating touch-ups, but concrete or HDPE models require almost no upkeep for decades. Additionally, their low profile blends with the surrounding landscape, avoiding the visual impact of taller bridges.
While not suited for heavy traffic or long spans, culvert pipe bridges excel at solving small-scale crossing challenges. They prove that effective infrastructure doesn’t need to be complex—by leveraging the simplicity of pipe design, they deliver reliable, affordable connectivity for communities and landscapes where larger bridges are unnecessary.
| CB321(100) Truss Press Limited Table | |||||||||
| No. | Lnternal Force | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Standard Truss Moment(kN.m) | 788.2 | 1576.4 | 2246.4 | 3265.4 | 1687.5 | 3375 | 4809.4 | 6750 |
| 321(100) | Standard Truss Shear (kN) | 245.2 | 490.5 | 698.9 | 490.5 | 245.2 | 490.5 | 698.9 | 490.5 |
| 321 (100) Table of geometric characteristics of truss bridge(Half bridge) | |||||||||
| Type No. | Geometric Characteristics | Structure Form | |||||||
| Not Reinforced Model | Reinforced Model | ||||||||
| SS | DS | TS | DDR | SSR | DSR | TSR | DDR | ||
| 321(100) | Section properties(cm3) | 3578.5 | 7157.1 | 10735.6 | 14817.9 | 7699.1 | 15398.3 | 23097.4 | 30641.7 |
| 321(100) | Moment of inertia(cm4) | 250497.2 | 500994.4 | 751491.6 | 2148588.8 | 577434.4 | 1154868.8 | 1732303.2 | 4596255.2 |
