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The Francis Scott Key Bridge collapse took place in the Baltimore metropolitan area of Maryland on March 26, 2024.
Answer: True
The Francis Scott Key Bridge collapse occurred on March 26, 2024, at 1:28:49 a.m. EDT in the Baltimore metropolitan area of Maryland, United States.
The Francis Scott Key Bridge collapse occurred in the early afternoon of March 26, 2024.
Answer: False
The collapse of the Francis Scott Key Bridge occurred in the early morning hours of March 26, 2024, specifically at 1:28:49 a.m. EDT.
The container ship Dali striking a pier was the immediate cause of the Francis Scott Key Bridge collapse.
Answer: True
The immediate cause of the Francis Scott Key Bridge collapse was the container ship *Dali* striking one of its piers, leading to a loss of propulsion and subsequent structural failure.
Six maintenance crew members died in the Francis Scott Key Bridge collapse, and two individuals were rescued from the river.
Answer: True
Six members of a maintenance crew were killed in the collapse, and two individuals were rescued from the river, one with serious injuries.
Only two people were killed in the bridge collapse, both members of the maintenance crew.
Answer: False
Six members of the maintenance crew were killed in the collapse, not two. Two individuals were rescued.
Initial property damages from the collapse included multiple bridge spans collapsing and at least seven vehicles submerging in the water.
Answer: True
Initial property damages included the collapse of multiple bridge spans, damage to the *Dali* and its cargo, and at least seven vehicles submerged in the water.
When did the Francis Scott Key Bridge collapse occur?
Answer: March 26, 2024, at 1:28:49 a.m. EDT
The Francis Scott Key Bridge collapse occurred on March 26, 2024, at 1:28:49 a.m. EDT (05:28:49 UTC).
What was the immediate cause of the Francis Scott Key Bridge collapse?
Answer: The container ship *Dali* striking one of its piers.
The immediate cause of the Francis Scott Key Bridge collapse was the container ship *Dali* striking one of its piers, leading to a loss of propulsion and subsequent structural failure.
How many members of the maintenance crew were killed in the Francis Scott Key Bridge collapse?
Answer: Six
Six members of a maintenance crew working on the roadway were killed in the Francis Scott Key Bridge collapse.
Which of the following was NOT among the initial property damages reported due to the Francis Scott Key Bridge collapse?
Answer: Extensive damage to the Port of Baltimore's docking facilities.
Initial property damages included the collapse of multiple bridge spans, damage to the *Dali* and its cargo, and at least seven vehicles submerged in the water. Extensive damage to docking facilities was not reported as an initial property damage.
Approximately how quickly did the Francis Scott Key Bridge collapse after the *Dali*'s impact?
Answer: Within 30 seconds
The Francis Scott Key Bridge collapsed within 30 seconds of the *Dali*'s impact, with the main span falling onto the ship's bow.
Who was on the Francis Scott Key Bridge at the time of its collapse?
Answer: A maintenance crew repairing potholes
A maintenance crew, reportedly on a break in their vehicles, was on the bridge repairing potholes at the time of the collapse.
What was the estimated range of the *Dali*'s impact force with the bridge pier, in million pounds-force?
Answer: 27 to 52
The estimated force of the *Dali*'s impact with the bridge pier was between 27 and 52 million pounds-force.
What was the approximate water temperature at the time of the Francis Scott Key Bridge collapse?
Answer: 47 °F (8 °C)
The National Oceanic and Atmospheric Administration (NOAA) reported a water temperature of 47 °F (8 °C) at the time of the collapse.
The bridge collapse was primarily caused by a structural flaw identified in a 2023 inspection, not a ship collision.
Answer: False
Inspections in March 2021 and May 2023 found the bridge to be in satisfactory condition, indicating no identified structural deficiencies prior to the collision. The collapse was caused by the *Dali*'s impact.
The Francis Scott Key Bridge was a steel arch-shaped continuous truss bridge, carrying Interstate 695.
Answer: True
The Francis Scott Key Bridge was a steel arch-shaped continuous truss bridge, carrying Interstate 695, and was notable as the second-longest in the U.S. of its type.
The Francis Scott Key Bridge was the longest continuous truss bridge in the United States.
Answer: False
The Francis Scott Key Bridge was the second-longest continuous truss bridge in the United States, not the longest.
The Francis Scott Key Bridge carried approximately 34,000 vehicles daily, including about 3,000 trucks, many with hazardous materials.
Answer: True
Before its collapse, the Francis Scott Key Bridge carried approximately 34,000 vehicles daily, including about 3,000 trucks, many of which transported hazardous materials.
The Francis Scott Key Bridge was primarily used by passenger vehicles, as trucks carrying hazardous materials were permitted to use the harbor tunnels.
Answer: False
The bridge was an essential route for approximately 3,000 trucks daily, many carrying hazardous materials that were prohibited from using the harbor tunnels.
When the Francis Scott Key Bridge was completed in 1977, the largest container ships were significantly smaller than vessels like the Dali.
Answer: True
When the bridge was completed in 1977, the largest container ships held 2,000 to 3,000 TEU, significantly smaller than modern vessels like the *Dali* (10,000 TEU capacity).
Baltimore's port was already equipped to handle vessels up to 14,000 TEU when the Francis Scott Key Bridge was built in 1977.
Answer: False
When the bridge was completed in 1977, the largest container ships were 2,000-3,000 TEU; Baltimore adapted to handle 14,000 TEU vessels in the 2000s, not at the time of the bridge's construction.
What type of bridge was the Francis Scott Key Bridge?
Answer: A steel arch-shaped continuous truss bridge
The Francis Scott Key Bridge was characterized as a steel arch-shaped continuous truss bridge.
Approximately how many vehicles did the Francis Scott Key Bridge typically carry each day before its collapse?
Answer: 34,000
Before its collapse, the Francis Scott Key Bridge carried approximately 34,000 vehicles each day.
What was the maximum TEU capacity of container ships that Baltimore's port was adapted to accommodate in the 2000s?
Answer: 14,000 TEU
In the 2000s, Baltimore's port was adapted to accommodate vessels up to 14,000 TEU, a significant increase from the 2,000-3,000 TEU ships prevalent when the bridge was built.
What was the outcome of a ship collision with the Francis Scott Key Bridge in 1980?
Answer: It resulted in only light damage to the bridge's pier.
A 1980 ship collision with the Francis Scott Key Bridge, involving a vessel one-third the size of the *Dali*, resulted in only light damage to one of its piers.
According to former agency officials, what risk did the MDTA primarily focus on for the Francis Scott Key Bridge instead of larger ship collisions?
Answer: Structural flaws and terrorist attacks
Former agency officials indicated that the MDTA primarily focused on risks such as terrorist attacks or structural flaws for the Francis Scott Key Bridge, rather than collisions with larger ships.
When were federal regulations for bridge protection systems from ship collisions updated, following the Sunshine Skyway Bridge collapse?
Answer: 1991
Federal regulations for bridge protection systems from ship collisions were updated in 1991, following the Sunshine Skyway Bridge collapse in 1980.
According to inspections conducted in March 2021 and May 2023, what was the condition of the Francis Scott Key Bridge?
Answer: Satisfactory condition, with no structural deficiencies.
Inspections conducted in March 2021 and May 2023 found the Francis Scott Key Bridge to be in satisfactory condition, with no structural deficiencies identified.
What structural characteristic made the Francis Scott Key Bridge vulnerable to a cascading collapse from the destruction of a single main pier?
Answer: Its 'fracture critical' continuous truss design
The Francis Scott Key Bridge's 'fracture critical' continuous truss design meant it lacked redundancy, making it vulnerable to a cascading collapse if a single main pier was destroyed.
What type of protection systems did the Francis Scott Key Bridge have against ship impact?
Answer: Dolphin and fender systems
The Francis Scott Key Bridge was equipped with dolphin and fender protection systems against ship impact, though these proved insufficient for the *Dali*'s collision.
The Dali sustained no significant damage to its structure or cargo during the collision.
Answer: False
Initial property damages reported included damage to the *Dali* and its cargo, contradicting the claim of no significant damage.
The MV Dali is a Neopanamax container ship, completed in 2015 and registered in Singapore.
Answer: True
The *MV Dali* is a Neopanamax container ship, completed in 2015 and registered in Singapore, known for its substantial cargo capacity.
The MV Dali has a length of 300 feet and a beam of 48 feet.
Answer: False
The *MV Dali* has a length of 980 feet (300 meters) and a 157-foot (48 meters) beam, not 300 feet and 48 feet respectively.
Grace Ocean Private Ltd owned the MV Dali, and Synergy Marine Group operated it at the time of the collision.
Answer: True
At the time of the collision, Grace Ocean Private Ltd owned the *MV Dali*, and Synergy Marine Group operated it.
The MV Dali was owned and operated by the Danish shipping company Maersk at the time of the collision.
Answer: False
The *MV Dali* was owned by Grace Ocean Private Ltd and operated by Synergy Marine Group; Maersk had chartered the vessel but did not own or operate it at the time of the collision.
The Dali had undergone 27 inspections worldwide since 2015, with a fuel-pressure gauge repaired during a 2023 inspection in Chile.
Answer: True
The *Dali* had undergone 27 inspections globally since 2015, including a 2023 inspection in Chile where a fuel-pressure gauge was repaired.
A U.S. Coast Guard inspection of the Dali in New York in 2023 identified significant propulsion system issues.
Answer: False
A U.S. Coast Guard inspection of the *Dali* in New York in September 2023 found no problems, contradicting the claim of identified propulsion system issues.
The Dali was designed with a capacity of 10,000 TEU containers and was loaded with 4,700 forty-foot containers at the time of the incident.
Answer: True
The *Dali* was designed for 10,000 TEU and was carrying 4,700 forty-foot containers, nearly its capacity, at the time of the collision.
The Dali was carrying only a quarter of its total cargo capacity when it collided with the bridge.
Answer: False
The *Dali* was loaded nearly to its capacity of 10,000 TEU with 4,700 forty-foot containers, indicating it was carrying a substantial amount, not just a quarter, of its total cargo capacity.
In what year was the *MV Dali* completed?
Answer: 2015
The *MV Dali*, a Neopanamax container ship, was completed in 2015.
Who operated the *MV Dali* at the time of the collision?
Answer: Synergy Marine Group
At the time of the collision, the *MV Dali* was operated by Synergy Marine Group.
What was repaired on the *Dali* during an inspection in San Antonio, Chile, in June 2023?
Answer: A fuel-pressure gauge
During a June 2023 inspection in San Antonio, Chile, a fuel-pressure gauge on the *Dali* was repaired.
What was the *Dali*'s designed cargo capacity in TEU?
Answer: 10,000 TEU
The *Dali* was designed with a cargo capacity of 10,000 twenty-foot equivalent unit (TEU) containers.
What was the *Dali*'s destination when it departed the Port of Baltimore?
Answer: Colombo, Sri Lanka
The *Dali* departed the Port of Baltimore bound for Colombo, Sri Lanka.
What critical event occurred on the *Dali* at 1:24 a.m. on March 26, 2024?
Answer: The ship suffered a 'complete blackout'.
At 1:24 a.m. on March 26, 2024, the *Dali* experienced a 'complete blackout' and began to drift out of the shipping channel.
Which of the following was an emergency action taken by the *Dali*'s crew and pilots before the collision?
Answer: They notified the Maryland Department of Transportation via a mayday call.
Before the collision, the *Dali*'s crew and pilots issued a mayday call to the Maryland Department of Transportation, reporting loss of propulsion and control.
At what approximate speed in knots was the *Dali* traveling when it struck the Francis Scott Key Bridge?
Answer: 8 knots
The *Dali* struck the bridge at approximately 8 knots (9.2 mph; 15 km/h).
Approximately how many tons of hazardous materials were carried on the *Dali*?
Answer: 764 tons
Of the *Dali*'s 4,700 shipping containers, 56 carried about 764 tons of hazardous materials.
The Port of Baltimore's waterway closure lasted for 11 weeks, resulting in an estimated economic impact of $15 million per day.
Answer: True
The Port of Baltimore's waterway was closed for 11 weeks, leading to an estimated economic impact of $15 million per day.
The Port of Baltimore's closure had an estimated economic impact of $5 million per day for approximately 5 weeks.
Answer: False
The Port of Baltimore's waterway closure lasted for 11 weeks, with an estimated economic impact of $15 million per day, not $5 million for 5 weeks.
In 2023, the Port of Baltimore was the leading U.S. port for automobiles and light trucks for 13 consecutive years.
Answer: True
In 2023, the Port of Baltimore maintained its position as the leading U.S. port for automobiles and light trucks for 13 consecutive years.
The Port of Baltimore was the largest U.S. port for coal in 2023.
Answer: False
In 2023, the Port of Baltimore was the second-largest U.S. port for coal, not the largest.
The Port of Baltimore directly employed 15,000 people and generated $400 million in state and local tax revenue annually.
Answer: True
The Port of Baltimore directly employed 15,000 people and generated $400 million in state and local tax revenue annually.
The Port of Baltimore indirectly supported 15,000 jobs and directly employed 140,000 people.
Answer: False
The Port of Baltimore directly employed 15,000 people and indirectly supported an additional 140,000 jobs, not the other way around.
What was the estimated daily economic impact of the Port of Baltimore's closure following the bridge collapse?
Answer: $15 million
The economic impact of the Port of Baltimore's waterway closure was estimated at $15 million per day.
In 2023, for how many consecutive years had the Port of Baltimore been the leading U.S. port for automobiles and light trucks?
Answer: 13 years
In 2023, the Port of Baltimore had been the leading U.S. port for automobiles and light trucks for 13 consecutive years.
How much annual state and local tax revenue did the Port of Baltimore generate?
Answer: $400 million
The Port of Baltimore annually generated $400 million in state and local tax revenue.
Maryland officials aim to replace the Francis Scott Key Bridge by fall 2028, with an estimated cost between $1.7 billion and $1.9 billion.
Answer: True
Maryland officials have set a target of fall 2028 for the replacement of the Francis Scott Key Bridge, with costs estimated between $1.7 billion and $1.9 billion.
The replacement of the Francis Scott Key Bridge is projected to be completed by fall 2026, with costs not exceeding $1 billion.
Answer: False
Maryland officials plan to replace the bridge by fall 2028, with an estimated cost ranging from $1.7 billion to $1.9 billion, not by fall 2026 with costs under $1 billion.