They are taking photos of the bridge’s surfaces, including cracks first noticed in 2017, which have yet to be repaired or sealed, according to state Department of Transportation officials. The project to repair the cracks and breaks in the concrete, which officials say do not threaten the safety of the bridge, is scheduled for 2024, according to Tim Fields, principal engineer for major structures, who oversaw the latter stages of the bridge’s design and its construction. Fields said there were several reasons why the timeline for the repair project has been extended out to 2024.
https://www.stamfordadvocate.com/news/article/Drones-over-New-Haven-s-Pearl-Harbor-bridge-are-16617159.php