This doesn't mean beam bridges aren't used to cross great distances—it only means that they must be daisy-chained together, creating what's known in the bridge world as a "continuous span." ...

The weight limit for vehicles using the Chicago Street bridge in Elgin has been lowered again following the most recent inspection done by the Illinois Department of Transportation.

The proposed bridge will be a 45-foot, single span, box beam bridge, according to PennDOT. There will be a roughly 6-mile car detour and a nearly 9-mile truck detour while the project is done.

This doesn't mean beam bridges aren't used to cross great distances—it only means that they must be daisy-chained together, creating what's known in the bridge world as a "continuous span." ...