Gateway Development Commission is dividing civil works on the tunnel portion of the project from one contract into four to encourage more competitive bids.
The original price tag was $233 million, but last month the new estimate jumped to $264 million, with TxDOT citing supply chain issues and the impact of inflation on concrete and steel prices.
Nine bridge repair projects, split between rural and urban areas from the District of Columbia to San Diego, are receiving nearly $300 million from the Infrastructure Investment and Jobs Act.
Texas DOT and the Flatiron/Dragados joint venture announced that they have settled last concerns over the proposed design of jointed pier segments that stalled the nearly $1-billion project last July.
The Port of Seattle and Clark Construction have filed suit against each other over issues related to the $1-billion Seattle-Tacoma International Airport International Arrivals Facility (IAF) project.