What were the first bridges made of?
Wood, rope, and stone
Concrete and stone
Logs and steel
Steel and concrete
What are the types of bridges mentioned in the text?
Log and rope
Overpass, viaduct, and dam
Overpass, aqueduct, viaduct, and causeway
Truss, suspension, and beam
What type of bridge is this?
Arch Bridge
Why do workers build supports under the water when constructing a bridge?
To create a dam
To make the water deeper
To catch fish
To hold up the bridge
What type of bridge is the Golden Gate Bridge?
Suspension
What are some things that bridges go over?
Only highways and railroads
Rivers, lakes, bays, swamps, highways, and railroads
Only swamps and bays
Only rivers and lakes
What is an aqueduct used for?
A bridge over land used to carry water
What type of bridge is this?
Beam Bridge
What is poured over the steel bars to make the bridge stronger?
Girders
Steel
Concrete
Water
What type of bridge is this?
Truss
What holds up the roadway of the bridge?
Girders
What type of bridge goes over a road or railroad?
Overpass bridge goes over a road or railroad.
Where is the longest bridge in the world?
China
What materials that a bridge could be made of?
wood, brick, concrete, reinforced concrete, plastic, steel, aluminum, cast iron