Cowley Bridge (Lincoln County, Tennessee)
Built by the King Iron Bridge Co. in 1878. Placed on the National Register of Historic Places in 1983.Bowstring through truss bridge over Elk River on West Stevens Creek RoadOpen to traffic
CR 51 Bridge (Scott County, Minnesota)
Built 1878Stone arch bridge over an unnamed creek on CR 51Closed to all traffic
Easton Avenue Bridge (Middlesex County, New Jersey)
Built 1878; rehabilitated 2004Stone arch bridge over Mile Run Brook on Easton Avenue in New BrunswickOpen to traffic
Fox Hollow Road Bridge (Lancaster County, Pennsylvania)
Built 1878; rehabilitated 1992Covered bridge over Pequea Creek on Fox Hollow RoadOpen to traffic
Freeport Bridge (Winneshiek County, Iowa)
Originally built 1878 by the Wrought Iron Bridge Co.
over Upper Iowa River on a county road; relocated 1989Relocated bowstring through truss bridge at Trout Run Park in DecorahOpen to pedestrians only
Harra Covered Bridge (Washington County, Ohio)
Built 1878 by Rolla MerydithCovered bridge over South Branch Wolf Creek on TR 172Open to pedestrians only
Harvey Railroad Bridge (Marion County, Iowa)
Built 1878 by the American Bridge Co. for the CB&Q Railroad; converted for vehicular use in 1938Four-span wrought-iron through truss bridge over the old channel of the Des Moines River on Harvey Island RoadOpen to one-lane traffic on a minimum-maintenance road
Hills Covered Bridge (Washington County, Ohio)
Built 1878 by the Hocking Valley Bridge Works (A. Borneman)Covered bridge over Little Muskingum River on CR 333Open to pedestrians only
Jackson Sawmill Covered Bridge (Lancaster County, Pennsylvania)
Built 1878; reconstructed 1985Covered bridge over West Octoraro Creek on Mt. Pleasant Road (TR 696)Open to traffic
Laughery Creek Bridge (Dearborn County, Indiana)
Built 1878 by the Wrought Iron Bridge Co.Closed triple-Whipple through truss bridge over Laughery Creek on Old IN 56Closed to all traffic
New Hope Covered Bridge (Brown County, Ohio)
Built 1878 by Josiah BryantCovered bridge over Whiteoak Creek on Bethel New Hope RoadOpen to pedestrians only
Pine Mill Bridge (Muscatine County, Iowa)
Built 1878 by the Wrought Iron Bridge Co.Through truss bridge over Pine Creek in Wild Cat Den State ParkOpen to pedestrians
Pine Street Bridge (Cortland County, New York)
Built 1878; rehabilitated 1988Pony truss bridge over West Branch Tioughnioga River on Pine Street in HomerOpen to traffic
Raven Rock Road Bridge (Hunterdon County, New Jersey)
Built 1878Through truss bridge over Lockatong Creek on Raven Rock RoadOpen to traffic
River Street Bridge (Essex County, New York)
Built 1878Through truss bridge over AuSable River on River Street in KeesevilleClosed to all traffic
Root Covered Bridge (Washington County, Ohio)
Built 1878 by Rolla Merydith; rehabilitated 2001Covered bridge over South Branch Wolf Creek on CR 6Open to pedestrians only
Stonelick Covered Bridge (Clermont County, Ohio)
Built 1878; rehabilitated 1971Covered bridge over Stonelick Creek on Stonelick Williams Corner Road (CR 116)Open to traffic
Stoney Creek Bridge (Montgomery County, Pennsylvania)
Built 1878Stone arch bridge over Stoney Creek on US 202 in NorristownOpen to traffic
Sudbury River Bridge (Middlesex County, Massachusetts)
Built 1878; rehabilitated 1952Pony truss bridge over Sudbury River on Main Street in FraminghamClosed to all traffic
Swartz Covered Bridge (Wyandot County, Ohio)
Built 1878 by Moses Weymouth; rehabilitated 1994Covered bridge over Sandusky River on CR 130AOpen to traffic
Ten Mile Creek Bridge (Greene County, Pennsylvania)
Built 1878 by the Massillon Bridge Co.Through truss bridge over Ten Mile Creek on TR 597Open to traffic
Tunkhannock Creek Bridge (Wyoming County, Pennsylvania)
Built 1878Lenticular through truss bridge over Tunkhannock Creek on PA 1029Closed to all traffic
Upper Bluffton Bridge (Winneshiek County, Iowa)
Built 1878 by the Wrought Iron Bridge Co.Through truss bridge over Upper Iowa River on W. Ravine RoadOpen to one-lane traffic
Wall Street Bridge (Cortland County, New York)
Built 1878; rehabilitated 1988Pony truss bridge over West Branch Tioughnioga River on Wall Street in HomerOpen to traffic
Washington Avenue Bridge (New Haven County, Connecticut)
Built 1878 by the Berlin Iron Bridge Co.; rehabilitated 1982Lenticular pony truss bridge over Mad River on Washington Avenue in WaterburyOpen to traffic
Washington Mill Bridge (Dubuque County, Iowa)
Built 1878 by the Massillon Bridge Co.Bowstring truss bridge over Lytle Creek on Creek Branch Lane, east of BernardOpen to traffic on a dead-end road
Waterloo Road Bridge (Culpeper County, Virginia)
Built 1878Through truss bridge over Rappahannock River on Waterloo Road (Route 613)Open to traffic
Watts Mill Road Bridge (Beaver County, Pennsylvania)
Built 1878 by the West Penn Bridge Co.Two-span pony truss bridge over Little Beaver Creek on Watts Mill RoadOpen to traffic
Wawona Bridge (Mariposa County, California)
Built in 1878 this bridge is located in the south part of Yosemite National Park. Just down the hill from historic Wawona Hotel.Bridge over South Fork of Merced RiverOpen to pedestrians
Weaver's Mill Covered Bridge (Lancaster County, Pennsylvania)
Built 1878Covered bridge over Big Conestoga River on Weaverland Road (TR 773)Open to traffic