As we hear reports that it will take 10 years (🤯) to replace the 1.6 mile Francis Scott Key bridge in Baltimore, remember that China built the Danyang-Kunshan bridge and Qingdao Jiaozhou Bay Bridge in 4 years each.
Danyang-Kunshan Bridge is 102 miles long, and 100 ft above the water.
Jiaozhou Bay Bridge is 16 miles and 623 ft tall, earthquake and typhoon proof, and can withstand a direct strike from a 300,000 ton cargo ship. That last point is unfortunately topical.
