Safety Inspection of In-Service Bridges: Chapter 11 Test Questions and All Correct Answers.

Safety Inspection of In-Service
Bridges: Chapter 11 Test Questions
and All Correct Answers.
Elements of a Channel (List): - Answer Channel

Streambed

Embankments

Stream FLow

Freeboard

Floodplain

Hydraulic Opening

Hydraulic Control Structures



Channel (definition): - Answer The well-defined depression, which contains and guides
stream flow during normal flow conditions



Streambed (definition): - Answer The bottom or floor of the Channel



Streamflow (definition): - Answer The water, suspended particles, chemicals, and any debris
moving through the channel



Streamflow - Answer ________ is the water, suspended particles, chemicals, and any debris
moving through the channel.



Hydraulic Opening (definition): - Answer The ________ is the entire area beneath the bridge,
which is available to pass flood flows.



Floodplain (definition): - Answer The ________ is the overbank area outside the channel
that carries flood flows in excess of channel capacity.



Streambed (definition): - Answer The "thalweg" elevation defines the lowest elevation of the
________.



Freeboard (definition): - Answer ________ is the term used to describe the distance from
the bottom of the superstructure to the top of the water surface.