FDOT Structures and Bridges

Question 1

What FDOT document provides design criteria and load requirements for bridge structures in Florida?

Accepted Answer

FDOT Structures Design Guidelines (SDG)

Answer

FDOT Drainage Manual

Answer

FDOT Standard Specifications Section 450

Answer

AASHTO LRFD only — no FDOT supplement

Question 2

What type of prestressed concrete beam is most commonly used in FDOT bridge construction?

Accepted Answer

Florida I-beam (FIB)

Answer

T-beam

Answer

Box beam

Answer

Bulb-T beam

Question 3

According to FDOT specifications, what is the minimum distance from the edge of bridge deck to the centerline of exterior railing post?

Accepted Answer

12 inches

Answer

6 inches

Answer

18 inches

Answer

24 inches

Question 4

What FDOT inspection program is responsible for periodic bridge safety inspections on Florida's highway system?

Accepted Answer

FDOT Bridge Safety Inspection Program (BSIP)

Answer

FDOT Maintenance Rating Program

Answer

FDOT Structure Inventory and Appraisal (SI&A)

Answer

National Bridge Inspection Standards (NBIS) only

Question 5

What is the standard maximum span length for FDOT Type III Florida I-Beam (FIB) girders?

Accepted Answer

100 feet

Answer

80 feet

Answer

120 feet

Answer

145 feet

Question 6

What is the function of expansion joints in FDOT bridge design?

Accepted Answer

Accommodate thermal movement and prevent deck cracking

Answer

Connect adjacent bridge spans structurally

Answer

Drain stormwater from the bridge deck

Answer

Mark the boundary between bridge and approach fill