It has a bearing on the cost associated with road closures, which can't be insignificant.
Anyway, some quick looking found:
> Gov. Janet Mills toured the Veranda Street site of the new bridge being installed along Interstate 295 in Portland on Saturday afternoon and said she was pleased with the rapid progress of the project.
> “I’m thrilled with the technology, thrilled that it’s going on time and on budget,” Mills said. “Three days’ time, and this bridge will be done. It’s amazing. It’s like giant Legos going together.”
Anyway, some quick looking found:
> Gov. Janet Mills toured the Veranda Street site of the new bridge being installed along Interstate 295 in Portland on Saturday afternoon and said she was pleased with the rapid progress of the project.
> “I’m thrilled with the technology, thrilled that it’s going on time and on budget,” Mills said. “Three days’ time, and this bridge will be done. It’s amazing. It’s like giant Legos going together.”
https://www.pressherald.com/2022/04/23/i-295-bridge-replacem...
which seems like enough to go on to presume it's at least close to being on budget.