Maryland Transportation Authority (MDTA) officials explained that the rise in cost estimates for the replacement Francis Scott Key Bridge is due in part to larger pylons and safety fenders required to protect them.

The MDTA's board got a thorough briefing on the state of the project on Tuesday.

Maryland Transportation Authority (MDTA) officials explained that the rise in cost estimates for the replacement Francis Scott Key Bridge is due in part to larger pylons and safety fenders required to protect them. CBS News Baltimore

Those pylons will eventually rise more than 600 feet above the water and may take two years to complete.

"It will be the longest cable-stayed span within the United States," Brian Wolfe, the MDTA's Director of Project Development, said of the massive project.

Ma

See Full Page