Abandoned Railroad Bridge (Tolland County, Connecticut)
Built 1951Concrete arch bridge over Abandoned Railroad on US 6 in BoltonOpen to traffic
Acushnet River Bridge (Bristol County, Massachusetts)
Built 1900; rehabilitated 1997Swing bridge over Acushnet River on US 6 in FairhavenOpen to traffic
Allegheny River Bridge (Potter County, Pennsylvania)
Built 1934; rehabilitated 1981Pony truss bridge over Allegheny River on US 6 in CoudersportOpen to traffic
Berlin Court Ditch US 6 Bridge (Elkhart County, Indiana)
Built 1931; rehabilitated 1986Concrete arch bridge over Berlin Court Ditch on US 6 in NappaneeOpen to traffic
Black River US 6 Bridge (Lorain County, Ohio)
Built 1939; rehabilitated 1988Bascule bridge over Black River on US 6 in LorainOpen to traffic
Brightman Street Bridge (Bristol County, Massachusetts)
Built 1906; rehabilitated 1981Bascule bridge over Taunton River on US 6 (Brightman Street) in Fall RiverOpen to traffic
Cahoon Creek US 6 Bridge (Cuyahoga County, Ohio)
Built 1932Closed-spandrel arch bridge over Cahoon Creek on US 6 in Bay VillageOpen to traffic
De Beque Bridge (Mesa County, Colorado)
Built 1945Two-span through truss over Colorado River on the I-70 Frontage Road (Old US 6)Open to traffic
Delaware River Bridge (Pike County, Pennsylvania)
Built 1939Truss bridge over Delaware River on US 6 in MatamorasOpen to traffic
Des Plaines River US 6 Bridge (Will County, Illinois)
Built 1934; rehabilitated 1987Bascule bridge over Des Plaines River on US 6 in JolietOpen to traffic
Doan Brook Bridge (Cuyahoga County, Ohio)
Built 1932Stone arch bridge over Doan Brook on US 6 in ClevelandOpen to traffic
Dolly Cole Brook Bridge (Providence County, Rhode Island)
Built 1932Concrete arch bridge over Dolly Cole Brook on US 6 in FosterOpen to traffic
Dotsero Bridge (Eagle County, Colorado)
Built 1934-35Through truss bridge over Colorado River on the I-70 Service Road (Old US 6) at DotseroOpen to two-lane traffic
Eagle River Bridge (Eagle County, Colorado)
Built 1933Through truss bridge over Eagle River on US 6 east of Eagle in EagleOpen to traffic
Elk Creek US 6 Bridge (Garfield County, Colorado)
Built 1933Pony truss bridge over Elk Creek on US 6 in New CastleOpen to traffic
Euclid Creek US 6 Bridge (Cuyahoga County, Ohio)
Built 1902Closed-spandrel arch bridge over Euclid Creek on US 6 in EuclidOpen to traffic
French Creek Bridge (Erie County, Pennsylvania)
Built 1928; replaced 2006Lost through truss bridge over French Creek on US 6 (Perry Highway)Replaced by a new bridge
French Creek Bridge (Crawford County, Pennsylvania)
Built 1901 by Massillon Bridge Co.; rehabilitated 1986Through truss bridge over French Creek on US 6 (Main Street) in Cambridge SpringsOpen to traffic
French Creek Bridge (Crawford County, Pennsylvania)
Built 1934; rehabilitated 1983Through truss bridge over French Creek on US 6 (Cussewago Street) in VenangoOpen to traffic
French Creek Bridge (Crawford County, Pennsylvania)
Through truss bridge over French Creek on US 6 (French Creek Parkway) in Cambridge SpringsOpen to two-lane traffic
Gypsum US 6 Bridge (Eagle County, Colorado)
Built 1933; replaced 1999Lost pony truss bridge over Eagle River on US 6 at GypsumReplaced by a new bridge
Hudson River Bridge (Rockland County, New York)
Built 1924; rehabilitated 1977Suspension bridge over Hudson River on US 6 in West PointOpen to traffic
Kingsbury Creek US 6 Bridge (La Porte County, Indiana)
Built 1932; rehabilitated 1941Concrete arch bridge over Kingsbury Creek on US 6Open to traffic
Kiowa Creek US 6 Bridge (Morgan County, Colorado)
Built 1936; rehabilitated 1959Wooden bridge over Kiowa Creek on US 6Unknown status
Mills Creek US 6 Bridge (Erie County, Ohio)
Built 1894 by G.W. DoerzbachStone arch bridge over Mills Creek on US 6 in SanduskyOpen to traffic
Neversink River Bridge (Orange County, New York)
Built 1929Through truss bridge over Neversink River on US 6 in Port JervisOpen to traffic
Ponaganset River Bridge (Providence County, Rhode Island)
Built 1933Concrete arch bridge over Ponaganset River on US 6 in FosterOpen to traffic
Porter Creek US 6 Bridge (Cuyahoga County, Ohio)
Built 1937 by D.H. Overman and C.P. SmithConcrete arch bridge over Porter Creek and Park Drive on US 6 in Bay VillageOpen to traffic
Price River Bridge (Carbon County, Utah)
Built 1952; rehabilitated 1976Concrete arch bridge over Price River on US 6Open to traffic
Red Canyon Bridge (Eagle County, Colorado)
Built 1933; replaced 2001Lost through truss bridge over Eagle River on US 6, 6.5 mi. east of EagleReplaced by a new bridge
Tunnel No. 1 (Jefferson County, Colorado)
Built 1951Tunnel on US 6 west of GoldenOpen to two-lane traffic
Tunnel No. 2 (Jefferson County, Colorado)
Built 1941Tunnel on US 6 west of GoldenOpen to two-lane traffic
Tunnel No. 3 (Jefferson County, Colorado)
Built 1957Tunnel on US 6 west of GoldenOpen to two-lane traffic
Tunnel No. 5 (Clear Creek County, Colorado)
Built 1939Tunnel on US 6 in Clear Creek CanyonOpen to two-lane traffic
Tunnel No. 6 (Clear Creek County, Colorado)
Built 1939Tunnel on US 6 in Clear Creek CanyonOpen to two-lane traffic
Vermilion River US 6 Bridge (Erie County, Ohio)
Built 1928 by the Fort Pitt Bridge Works; rehabilitated 1986Through truss bridge over Vermilion River on US 6 in VermilionOpen to traffic
Wallkill River Bridge (Orange County, New York)
Built 1931; rehabilitated 1980Deck truss bridge over Wallkill River on US 6Open to traffic