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 FDOT document provides design criteria and load requirements for bridge structures in Florida?
Answer: FDOT Structures Design Guidelines (SDG)
The FDOT Structures Design Guidelines (SDG) supplements AASHTO LRFD specifications with Florida-specific requirements for bridge design.
What type of prestressed concrete beam is most commonly used in FDOT bridge construction?
Answer: Florida I-beam (FIB)
The Florida I-Beam (FIB) is FDOT's standard prestressed concrete beam, developed specifically to address Florida's long span and durability requirements.
According to FDOT specifications, what is the minimum distance from the edge of bridge deck to the centerline of exterior railing post?
Answer: 12 inches
FDOT standards require the centerline of exterior railing posts to be positioned a minimum of 12 inches from the edge of the bridge deck.
What FDOT inspection program is responsible for periodic bridge safety inspections on Florida's highway system?
Answer: FDOT Bridge Safety Inspection Program (BSIP)
The FDOT Bridge Safety Inspection Program (BSIP) conducts periodic inspections of all state highway bridges to ensure structural safety and serviceability.
What is the standard maximum span length for FDOT Type III Florida I-Beam (FIB) girders?
Answer: 100 feet
The FDOT Type III Florida I-Beam has a maximum practical span of approximately 100 feet, making it suitable for mid-range bridge spans.
What is the function of expansion joints in FDOT bridge design?
Answer: Accommodate thermal movement and prevent deck cracking
Expansion joints accommodate thermal expansion and contraction of bridge structures, preventing stress buildup that would crack or damage the deck and structure.