Check out this recent video update our design partners shared depicting steel curved bridge girders and straddle bents being put into place at the I-66 and I-495 interchange. We designed these bridges for this interchange in northern Virginia. Here’s a few key facts about the operation:

• Straddle bents fabricated in two places
• 32 individual steel bridge girders set
• 25,150 bolts, nuts, and washers installed in the field