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