Florida Bridge Construction Contractor Exam Questions And Correct Answers (Verified Answers) Plus Rationale2026 Q&A| Instant Download Pdf
1.What is the primary purpose of bridge bearings?
- Prevent scour under abutments
- Provide drainage at expansion joints
- Transfer loads and allow controlled movement
- Support formwork during construction
Answer: C
Rationale: Bearings allow rotation/movement while transferring loads to
substructure.
2.Elastomeric bearing pads used on bridges must meet which ASTM specification?
A. ASTM C150
B. ASTM A36
C. ASTM D4014
D. ASTM C33
Answer: C
Rationale: ASTM D4014 governs elastomeric bearings used on bridges.
3. 1 / 3
Which Florida agency administers bridge construction standards?
A. EPA
B. FDOT
C. FEMA
D. ASCE
Answer: B
Rationale: FDOT sets standards for bridges in Florida.
4.
A cofferdam is primarily used to:
- Support girders
- Divert vehicle traffic
- Create a dry work area below water
- Store materials onsite
Answer: C
Rationale: Cofferdams allow dry excavation or construction in water.
5.Which type of pile is most common for bridge foundations in Florida’s soft soils?
- Steel H-piles
- Timber piles
- Precast concrete piles
- Fiberglass piles
Answer: C
Rationale: Precast prestressed concrete piles perform best in Florida’s
geotechnical conditions.
6.
Scour around bridge piers is typically caused by:
- Traffic vibrations
- High winds
- Water flow removing soil
- Chemical reactions in soil 2 / 3
Answer: C
Rationale: Scour is soil erosion due to fast-moving water.
7.Which test determines concrete compressive strength?
- Slump test
- Air content test
- Cylinder break test
- Rebar tensile test
Answer: C
Rationale: Cylinders cured and broken provide compressive strength
values.
8.
Bridge deck expansion joints primarily accommodate:
- Vegetation growth
- Concrete shrinkage only
- Thermal movement
- Rebar corrosion
Answer: C
Rationale: Expansion joints allow thermal expansion and contraction.
9.
Post-tensioned bridge elements require ducts made from:
- PVC or galvanized steel
- Untreated wood
- Asphaltic fiberboard
- Woven canvas
Answer: A
Rationale: Ducts must be durable and moisture-resistant for strands.
10.When constructing a reinforced concrete bridge deck, the minimum concrete
cover over top reinforcement is typically:
- ¼ inch
- / 3