Structures and Bridges Flashcards
6 cards from real FDOT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Structures and Bridges flashcards as text
What does the FDOT suffix 'NBI' refer to in bridge management?
Answer: National Bridge Inventory
NBI stands for the National Bridge Inventory, the federal database of bridge inspection data that all state DOTs must report to for bridges on public roads.
What type of pile is most commonly used for FDOT bridge foundation construction in Florida's coastal and offshore conditions?
Answer: Prestressed concrete square pile
Prestressed concrete square piles are the most commonly used FDOT bridge foundation element, providing corrosion resistance in Florida's aggressive coastal environments.
According to FDOT bridge inspection standards, what is the required maximum interval between routine bridge inspections?
Answer: 2 years
Federal NBIS requirements, adopted by FDOT, mandate a maximum 2-year interval between routine bridge safety inspections.
What FDOT bridge condition rating of '4' indicates?
Answer: Fair condition — some minor deterioration
An NBI bridge condition rating of 4 (Fair) indicates some minor deterioration of primary structural elements but the bridge remains serviceable.
What is the primary purpose of a drilled shaft (drilled pier) foundation in FDOT bridge construction?
Answer: Transfer heavy loads through weak soils to competent bearing material or by skin friction
Drilled shafts transfer heavy structural loads through weak or compressible soils to competent bedrock or dense sand layers below, or develop load capacity through skin friction.
What does FDOT's 'Structures Work Program' database track?
Answer: Inventory, inspection data, and maintenance needs for state bridges
The FDOT Structures Work Program tracks bridge inventory, inspection results, condition ratings, and maintenance/rehabilitation needs for programming future work.