What is your clearance as you pass under the...

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Question 1 of 2066636eea28f7522a1c51af61

What is your clearance as you pass under the Vicksburg Highway 80 Bridge mile 437.8 (AHP) if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?

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66636eea28f7522a1c51af61

What is your clearance as you pass under the Vicksburg Highway 80 Bridge mile 437.8 (AHP) if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?

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🔍 Key Concepts

• Bridge clearance calculations on inland rivers using river gage readings • Relationship between charted clearance, gage zero, and actual water level • How to compute vertical clearance between highest point of vessel and lowest part of bridge

💭 Think About

• What information is usually given in the river charts or bridge tables for a highway bridge like Vicksburg Highway 80 (for example: clearance at a certain gage height)? • How would you adjust that published clearance when the actual gage reading is higher or lower than the reference level? • Once you know the actual bridge clearance above the water, how do you find the remaining safety margin (clearance) for a boat with a known air draft (height above water)?

✅ Before You Answer

• Be sure you know whether the published bridge clearance is given at low water reference or at a specific gage reading • Carefully subtract the boat’s highest point from the actual bridge clearance above the water, not from the gage reading itself • Double-check units and arithmetic (especially adding vs. subtracting the change in water level from the published clearance) before choosing a multiple-choice answer

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Question 1 of 2066636eea28f7522a1c51af61

What is your clearance as you pass under the Vicksburg Highway 80 Bridge mile 437.8 (AHP) if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?

Back

Question 1 of 20

66636eea28f7522a1c51af61

What is your clearance as you pass under the Vicksburg Highway 80 Bridge mile 437.8 (AHP) if the Vicksburg Gage reads 14.8 feet and the highest point on your tow boat is 44.5 feet?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed