A tied-arch bridge span floated a mile down the Ohio River in April 2021, marking the first time such a method had been used to install a West Virginia bridge.
A temporarily welded wire retaining wall system helped restore traffic 12 days after an 8,500-gasoline tanker truck crash killed the driver and destroyed the Interstate 95 northbound bridge.
After 60 years of continuous operation, a life-cycle cost analysis of the Delaware Memorial Bridge showed that the benefits of an ultra-high-performance concrete overlay surpassed those of traditional overlay repairs or a complete deck replacement.
Darrell Johnson’s ability to keep a $2-billion design-build highway widening on track despite multiple risks and challenges stems partly from his experience by way of commuter rail.
In an effort to reconstruct and expand 7.64 miles of roadway along the IH-10 corridor in Austin County, crews expanded the existing two main lane and two-way frontage roads into six main lanes with three in each direction along with one-way frontage roads on opposing sides.
Completed in December 2022, the $7.9-million Union Street Pedestrian Bridge provides an accessible connection between Seattle’s downtown core and the waterfront.
As one of three bridges that connect the West Seattle Peninsula to the rest of the city, the $64-million West Seattle High-Rise Bridge (WSHB) is a critical piece of infrastructure because the next available access point is more than four miles south of Seattle. More than 125,000 commuters rely on the bridge to cross the Duwamish River into downtown.