Table of Contents
What is Bridge?
A Bridge, a connecting structure, create bonding between different disconnected parts of a country, two banks of the ocean, or parts of two countries.
Also Read: What Is Super Elevation? | Superelevation Definition | Purpose of Providing Superelevation in Roads | Calculation of Superelevation in Roads | Minimum and Maximum Superelevation in Roads | Method of Providing Superelevation to the Roads
Information on Bridge
This first bridges made by humans were probably spans of planks or wooden logs and eventually stones, using a crossbeam arrangement and simple support. Most of these early bridges couldn’t support heavy weights or withstand strong currents.
It was these inadequacies that led to the development of better bridges. The oldest surviving stone bridge at China is the Zhaozhou Bridge, built from 605 to 595 AD during the Sui Dynasty.
The bridge is also historically significant as it is the world’s oldest open-spandrel stone segmental arch bridge
Type of Bridge
1. Classification of Bridges as Per According to Form
- Truss Bridge
- Arch Bridges
- Suspension Bridges
- Cable-Stayed Bridges
- Slab Bridges
- Box Girder Bridges
- Rigid Frame Bridges
2. Classification of Bridges as Per According to Material
- Composite bridge
- Steel bridge
- R.C.C bridge
- Stone bridge
- Concrete bridge
- Timber bridge
3. Classification of Bridges as Per According to Inter-Span
- Continuous bridge
- Simply supported bridge
- Cantilever bridge
What Is Culvert?
A Culvert is a tunnel carrying a stream under the road or railway. A culvert can act as a bridge for traffic to pass on it.
They are typically found at a natural flow of water and serves the purpose of a bridge or a current flow controller.
A culvert is provided under highways and roads for a crossing of water, as road embankment can’t be allowed to obstruct the water flow.
This culvert is ideally suited for a road to limit water flow at a controlled way. There are some common types of culvert, such as pipe, arch culvert, and box.
The culvert type is based onto hydraulic, water surface elevation, and roadway height, and other conditions.
Type of Culvert
- Pipe Single or Multiple
- Pipe Arch Single or Multiple
- Box Culvert Single or Multiple
- Bridge Culvert
- Arch Culvert
Difference Between Bridge and Culvert
|1||These components of a culvert are comparatively simpler and include concrete boxes or cells, pipes, a top deck or slab, and supporting parts.||These basic components of a bridge( Parts of a bridge ) are superstructure, substructure, and deck (transfers surface load to other components).|
|2||The culvert is generally a tunnel-like structure that allows water to pass under a roadway or railway.||The bridge is a passage of transportation over a large body of water or physical obstruction.|
|3||These Culverts are usually embedded in the soil, which bears the major portion of the culvert load.||Abutments and Piers are the supporting structures of a bridge.|
|4||Culverts are totally enclosed structures that may be semi-circular, rectangular, elliptical or pear-shaped.||A bridge is usually straight and linear assage.|
|5||The culvert is an enveloping structure that consists of two sides, a roof, and a floor.||The bridge contains no floor.|
|6||The length of culverts is typically not more than 6 meters.||A bridge spans from 6 meters to more than 120 meters.|
|7||Not required a deep foundation in the culvert.||Construction of a deep and strong foundation is very important in building a bridge. A foundation along the entire breadth supports the bridge.|
|8||These Culverts are built at less than 20 feet high over the obstruction.||These Bridges are constructed at a height of more than 20 feet.|
|9||Culverts may be pre-constructed or built on the site.||Bridges are usually constructed in the site or pre-constructed in smaller parts.|
|10||The Culverts are simpler in structure and design, so it can be constructed with less time and labor.||The Construction of bridges generally requires a lot of time and manpower.|
|11||The construction of a culvert may be done with a low budget.||This structure and design of a bridge are elaborate and complex, hence its construction requires a substantial budget.|
|12||A culvert may be constructed to accommodate roadways both over and under the deck.||This only way of transportation is over the deck of the bridge.|
|13||Some culverts, like box culverts, have sharp corners that are unsuitable for high-velocity vehicles.||Bridges may withstand heavy and speeding vehicles.|
|14||A culvert is constructed when water needs to be conveyed through tunnels or channels under a roadway.||A bridge is built over a body of water that is large and has variable flow.|
|15||Culverts prevent waterlogging, flood, and erosion, and allows water to flow its natural course under a roadway or railway.||Bridges provide an easier route of transportation that saves time and reduces distance.|