US bridges are frequently struck by barges and vessels

The video discusses the challenges and risks associated with bridge collisions in the US, highlighting incidents like the Key Bridge disaster in Baltimore. It examines the frequency of such collisions, particularly on the Mississippi River, and the difficulties in navigating these waters. The video also explores the lack of national standards for older bridges and the need for updated design standards to accommodate larger vessels. Experts discuss the impracticality of retrofitting all older bridges and the role of local authorities in ensuring bridge safety.

What was the outcome of the Dali cargo ship incident in Baltimore?

• The ship sank.

• The ship was redirected safely.

• The bridge was slightly damaged.

• The bridge collapsed.

Why is the Old Hwy. 80 Railroad Bridge in Vicksburg frequently hit by vessels?

• There are no warning signs for vessels.

• The river has swift currents and tight bends.

• The bridge is poorly constructed.

• It is located in a busy shipping lane.

What nickname was given to one of the pillars of the Old Hwy. 80 Railroad Bridge?

• The Rock

• The Pillar

• Scar

• The Guardian

What is a major challenge in setting national standards for bridge safety?

• Insufficient data on past incidents.

• Constant change in ship sizes.

• Lack of funding for research.

• Resistance from local authorities.

When did the American Association of State Highway and Transportation Officials begin setting vessel collision standards?

• 1991

• 2011

• 2001

• 1981

Who is primarily responsible for deciding the protection needed for older bridges?

• Private contractors

• International maritime organizations

• Federal government

• State and local authorities

What did the US Coast Guard suggest for the Vicksburg Bridge?

• To restrict vessel traffic.

• To increase the height of the bridge.

• To install bumpers on the piers.

• To close the bridge permanently.