I-84

Bulkeley Bridge (Hartford County, Connecticut)
Built 1908; rehabilitated 1964
Nine-span stone arch bridge over Connecticut River on I-84 in Hartford
Open to traffic

John Day River Bridge (Gilliam County, Oregon)
Built 1963; rehabilitated 1965
Warren deck truss bridge over John Day River on I-84
Open to traffic

Tooth Rock Tunnel (Multnomah County, Oregon)
Built 1936 due to the need to relocate the highway for the construction of Bonneville Dam
Tunnel under Tooth Rock on I-84
Open to traffic