Built during 1780s

Hale's Bridge (Cheshire County, New Hampshire)
Built 1785 Replaced 1840 by Tucker Toll Bridge
Lost Timber stringer bridge over Connecticut River
Replaced by a new bridge

John Seabrook Plantation Bridge (Charleston County, South Carolina)
Built 1782
Abandoned arch bridge over Branch of Wadmalaw River on Abandoned Road
Derelict/abandoned

Reading's Ferry (1785) (Hunterdon County, New Jersey)
In service at least by 1785 (see 1785 Reading Howell Map of Bull's Island); Replaced 1814
Lost Ferry across Delaware River on Old York Road
Replaced by a new bridge

Trinity Lane Bridge (Montgomery County, Pennsylvania)
Built 1789; Rebuilt 1884
Stone arch bridge over Gulph Mills Creek on Trinity Lane
Open to traffic

Uncle Tim's Bridge (Barnstable County, Massachusetts)
Built 1783; Restored 2008
Timber stringer bridge over Duck Creek
Open to pedestrians only

Valley View Ferry (Jessamine County, Kentucky)
Ferry Started 1785 by John Craig under charter from the Virgina Legislature. Oldest business in Kentucky.
Ferry across Kentucky River on KY 39
Open to traffic

Warehouse Point-Windsor Locks Ferry (Hartford County, Connecticut)
Began service 1783; Discontinued 1886 when bridge was built
Lost Ferry across Connecticut River
Replaced by a new bridge

Wormley Pond Dam (York County, Virginia)
Known to exist 1781. Played role in Battle of Yorktown.
Dam on West Branch Wormley Creek carrying Historical Tour Road
Open to one-way southbound traffic; 5 ton load limit