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What invention made suspension bridges possible?
Steel
What different materials are bridges made of?
Favorite materials for bridges include steel, aluminum, titanium, wood, stone, and reinforced concrete.
Why aren't bridges made out of gold?
Gold is rare, Gold is heavy, Gold is soft.
What can you make a bridge out of?
Arch bridges are made from arches. Arches are typically made from brick, reinforced concrete, stone or steel. Wooden arches are sometimes used for ornamental bridges, such as decorative footbridges in gardens.
What are cable stayed bridges made of?
The primary building materials in cable-stayed bridges are steel, which is used in the cables and also as the reinforcing material in the concrete, which is the other primary building material.
What are steel bridges made of?
steel bridges are made out of steel OBVIOUSLY !!!
Why were ancient Rome bridges made?
Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.
How were the earliest bridges made?
by hand
What bridges are in Antarctica?
An innumerable number of snow bridges hide deep crevasses, otherwise, there are no man-made bridges on the continent -- nor are there any roads.
What does it mean by tarred bridges?
'Tarred bridges' presumably means what it says: bridges that have been coated with tar. This presupposes that the bridges are made of wood, and the tar has been applied as a preservative and waterproofing treatment.
What are bridges normally made from?
iron and steel
What were the first bridges and what were they made from?
We can reasonably infer that the first bridges were logs, thrown across narrow streams.
How have bridges been able to go from being made of wood to being made of metal?
By Technology developing and also people researching how to make bridges and thinking of new ways to make bridges and new materials to use.
What is the suspension bridge made out of?
Truss Bridges=Trusses have been used extensively in bridges since the early 19th Century. Early truss bridges were made of wood.==in additon the classic American covered bridges are all trusses, though the wooden truss members are covered by walls and a roof, for protection from the elements. Later truss bridges were made of cast iron and wrought iron. Most modern trusses are made of structural steel.=
What were the first bridges made out of?
The first bridges are likely to have been fallen trees or logs placed across streams.
What invention made suspension bridges possible?
Steel
What are the strengths of an arch bridges?
the strengths of a arch bridges is that it is made in a shape that holds up more and for boats to go under
