California Bridge Construction Safety
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
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1. During erection of a reinforced concrete bridge deck in California,
which of the following actions best complies with Cal/OSHA fall
protection requirements when employees are exposed to falls greater
than 15 feet above lower levels while working near unprotected deck
edges?
A. Allow employees to work without protection if exposure lasts less than 30
minutes
B. Use warning lines only, without personal fall arrest systems
C. Install guardrails, safety nets, or approved personal fall arrest systems
,before work begins
D. Permit workers to tie off only during final inspections
C. Install guardrails, safety nets, or approved personal fall arrest systems
before work begins
Rationale: California bridge construction regulations require employers to
provide effective fall protection whenever employees are exposed to
hazardous elevations. Guardrail systems, safety nets, or personal fall
arrest systems must be implemented before employees begin work in
areas with significant fall exposure.
2. A bridge contractor plans to excavate for a new pier footing adjacent
to an active roadway. Which of the following safety measures is most
critical before excavation activities begin?
A. Increasing excavation depth to reduce slope angle
B. Conducting utility location verification and soil classification
C. Removing all nearby traffic barriers
D. Allowing workers to enter before atmospheric testing
B. Conducting utility location verification and soil classification
Rationale: Prior to excavation, contractors must identify underground
utilities and classify soil conditions to determine appropriate protective
,systems. Failure to verify utilities and soil stability can result in collapse,
electrocution, or utility strikes.
3. When working over water during bridge rehabilitation, which safety
practice is required for employees exposed to drowning hazards?
A. Workers may wear heavy tool belts instead of flotation devices
B. Life jackets are optional if rescue boats are nearby
C. Employees must wear approved personal flotation devices and rescue
equipment must be available
D. Only supervisors are required to wear flotation devices
C. Employees must wear approved personal flotation devices and rescue
equipment must be available
Rationale: Bridge workers exposed to drowning hazards must wear
approved flotation devices, and employers must maintain rescue
equipment such as ring buoys and boats to ensure rapid emergency
response.
4. Which of the following conditions most likely requires a competent
person to stop bridge scaffolding operations immediately?
A. Minor cosmetic rust on scaffold planks
B. Employees requesting additional lighting
C. Evidence of scaffold instability, excessive sway, or damaged structural
, members
D. A temporary delay in material delivery
C. Evidence of scaffold instability, excessive sway, or damaged structural
members
Rationale: Any sign of scaffold instability or structural damage creates an
immediate collapse hazard. Competent persons are required to halt
operations until the scaffold is repaired and reinspected.
5. During steel girder erection, what is the primary purpose of temporary
bracing and guying systems?
A. To increase crane fuel efficiency
B. To reduce concrete curing time
C. To stabilize structural members against collapse or lateral movement
during installation
D. To eliminate the need for qualified riggers
C. To stabilize structural members against collapse or lateral movement
during installation
Rationale: Temporary bracing and guying prevent structural instability
during bridge erection. Unbraced members may shift, buckle, or collapse
under wind loads or incomplete structural connections.
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download
1. During erection of a reinforced concrete bridge deck in California,
which of the following actions best complies with Cal/OSHA fall
protection requirements when employees are exposed to falls greater
than 15 feet above lower levels while working near unprotected deck
edges?
A. Allow employees to work without protection if exposure lasts less than 30
minutes
B. Use warning lines only, without personal fall arrest systems
C. Install guardrails, safety nets, or approved personal fall arrest systems
,before work begins
D. Permit workers to tie off only during final inspections
C. Install guardrails, safety nets, or approved personal fall arrest systems
before work begins
Rationale: California bridge construction regulations require employers to
provide effective fall protection whenever employees are exposed to
hazardous elevations. Guardrail systems, safety nets, or personal fall
arrest systems must be implemented before employees begin work in
areas with significant fall exposure.
2. A bridge contractor plans to excavate for a new pier footing adjacent
to an active roadway. Which of the following safety measures is most
critical before excavation activities begin?
A. Increasing excavation depth to reduce slope angle
B. Conducting utility location verification and soil classification
C. Removing all nearby traffic barriers
D. Allowing workers to enter before atmospheric testing
B. Conducting utility location verification and soil classification
Rationale: Prior to excavation, contractors must identify underground
utilities and classify soil conditions to determine appropriate protective
,systems. Failure to verify utilities and soil stability can result in collapse,
electrocution, or utility strikes.
3. When working over water during bridge rehabilitation, which safety
practice is required for employees exposed to drowning hazards?
A. Workers may wear heavy tool belts instead of flotation devices
B. Life jackets are optional if rescue boats are nearby
C. Employees must wear approved personal flotation devices and rescue
equipment must be available
D. Only supervisors are required to wear flotation devices
C. Employees must wear approved personal flotation devices and rescue
equipment must be available
Rationale: Bridge workers exposed to drowning hazards must wear
approved flotation devices, and employers must maintain rescue
equipment such as ring buoys and boats to ensure rapid emergency
response.
4. Which of the following conditions most likely requires a competent
person to stop bridge scaffolding operations immediately?
A. Minor cosmetic rust on scaffold planks
B. Employees requesting additional lighting
C. Evidence of scaffold instability, excessive sway, or damaged structural
, members
D. A temporary delay in material delivery
C. Evidence of scaffold instability, excessive sway, or damaged structural
members
Rationale: Any sign of scaffold instability or structural damage creates an
immediate collapse hazard. Competent persons are required to halt
operations until the scaffold is repaired and reinspected.
5. During steel girder erection, what is the primary purpose of temporary
bracing and guying systems?
A. To increase crane fuel efficiency
B. To reduce concrete curing time
C. To stabilize structural members against collapse or lateral movement
during installation
D. To eliminate the need for qualified riggers
C. To stabilize structural members against collapse or lateral movement
during installation
Rationale: Temporary bracing and guying prevent structural instability
during bridge erection. Unbraced members may shift, buckle, or collapse
under wind loads or incomplete structural connections.
