[1] https://en.wikipedia.org/wiki/San_Francisco–Oakland_Bay_Brid...
They’re being replaced under warranty.
The vendor promised a certain warranty. If the due diligence was done, and the cities were happy with the price paid and the terms of the warranty, hopefully the vendor stands behind the product.
But: '"This deadline has come and gone, and Leotek ceased all communications with the PLA," the suit reads.'
Company website has both: "Leotek Electronics USA LLC", and "Leotek is a subsidiary of LiteOn Technology Corp."
https://leotek.com/about-leotek/
IANAL, but that would seem to be a contradiction.
I'd give generous odds on a bet that the end of Leotek, and Detroit's recovery efforts, are not far in the future.
It appears the LLC was formed in 2014, after Leotek merged with LiteOn: https://www.liteon.com/storage/document/document/engfile-d21...