Bridges

Why do we need bridges?

OGo over obstaclesORiverOLakeORoadOCanyon

Common Types of Bridges

OArchOBeamOCantileverOSuspensionOTruss

Arch

Beam

Cantilever

Suspension

Truss

Careers with Bridges• Salary: $51,000 – $61,000• Education: Bachelor’s• Experience: 0-2 years

Civil Engineer

• Salary: $50,000 – $57,000• Education: Bachelor’s • Experience: 0-2 years

Geotechnical Engineer

• Salary: $51,000 – $55,000• Education: Bachelor’s• Experience: 0-2 years

Structural Engineer

• Salary: $26,000 – $34,000• Education: High School Diploma/G.E.D.• Experience: 0-2 years

Heavy Assembler

• Salary: $43,000 – $57,000• Education: Bachelor’s• Experience: 0-2 years

Construction Coordinator

Civil EngineerO Designs and supervises construction

projects such as airports, bridges, channels, dams, railroads and roads

O Responsibilities also include estimating costs and personnel and material needs, preparing proposals and establishing completion dates

Geotechnical EngineerO Prepares and inspects projects

involving drilling and exploration

O Responsible for geological mapping, report writing, site characterization, numerical modeling and analysis of excavations/supports

Structural EngineerO Designs load-bearing structures or structural

elements, such as buildings, bridges or roadways

O Performs analysis of building materials for use in construction

O Develops blueprints or specifications for use during construction and ensures all projects comply with applicable codes and regulations

O Determines cause of structural failures, damages and defects through site investigations

O Provides reports detailing investigations and assessment of damages to the structure

Heavy AssemblerO Assembles fabricated parts to

relatively large or heavy subassemblies and complete units

O Tests and calibrates parts and mechanisms to meet tolerances and product specifications

Construction Coordinator

O Coordinates construction scheduling and communication, and acts as a liaison to project management concerning bids, subcontracting, progress and delays

O May be responsible for estimates, schedules, materials and purchase order

O Supervises the installation of equipment and components in assigned field

O Requires technical knowledge to assist installing contractors

Build Your Own BridgeO Using newspaper (1), masking tape

(6 ft) and straws (15), create a bridge

O Judging is based onO Mass of your bridgeO Mass your bridge can supportO Final score = mass supported/mass of

structureO Bridge must span 1 foot