Cantilevered segmental construction
Birdsong Hollow Bridge (Williamson County, Tennessee)
Built 1995 to bridge the gap over the Little South Fork of the Harpeth River and State Highway 96, one of the last segments to be built on the Natchez Trace ParkwayConcrete double-arch segmental bridge on the Natchez Trace Parkway at Birdsong Hollow in Williamson County TennesseeOpen to traffic
Mike O'Callaghan - Pat Tillman Memorial Bridge (Mohave County, Arizona)
Opened on October 19, 2010 as a bypass route for Hoover Dam and for the Dept. of Homeland SecurityOpen-spandrel arch bridge over Colorado River on US 93Open to traffic
Rex T. Barber Bridge (Jefferson County, Oregon)
Built 2000 by Kiewit Pacific CompanyConcrete arch bridge over Crooked River on US 97Open to traffic
West Seattle Bridge (King County, Washington)
Built 1984; Closed due to cracking 2020; Expected to reopen at some point in 2022Concrete deck girder bridge over Duwamish Waterway & Industrial Flats on West Seattle Expressway/Spokane Street BypassClosed due to serious cracking in March 2020. Expected to remain closed until at least 2022.