Avoca Trail - Mill Creek Bridge[Map] Fishbelly Pratt deck truss bridge over Mill Creek on Wadhams to Avoca Trail (formerly Pere Marquette RR) Open to pedestrians only
Belle River Bridge[Map] Lost Pony truss bridge over Belle River on Werner Road Removed but not replaced
Black River Swing Bridge (Old)[Map] Lost Warren through truss with sub-panels bridge over Black River on 7th Street Erie Street Replaced by a new bridge Built 1887; replaced 1933
Blue Water Bridge[Map · Street View] Through truss bridge over St. Clair River on Westbound I-94 in Port Huron Open to traffic Built 1938; rehabilitated 1999
Bluewater Ferry[Map · Street View] Ferry across St. Clair River on Daldean of Chatham and the Ontamich Closed in 2018 due to causeway damage. Permanently closed after US Border patrol refused to reopen the crossing.
CN - Black River Bridge[Map · Street View] Pony/through plate girder bridge over Black River on Canadian National Railroad Open to traffic Built 1929
CN - St. Clair Tunnel (New)[Map] Tunnel under St.Clair River on Canadian National Rwy Open to traffic Built to replace old St.Clair Tunnel with improved clearances
Comstock Road Bridge[Map] Lost Arch bridge over Black River on Comstock Road in Town of Grant Replaced by new bridge Built 1923; Replaced 1996
CSX - Black River Bridge[Map · Street View] Warren through truss with all verticals bridge over Black River on Pere Marquette Railroad (abandoned) Closed to all traffic; the yacht club that now owns the bridge proposed to demolish it as of December 2011; preservation group has offered to acquire lease it but club wants it moved off-site Built 1931
Edgewater Drive Bridge[Map] Lost Pony truss bridge over Batteaux Canal on Edgewater Drive Replaced by a new bridge in 1974 Replaced in 1974 and 1999
Elmwood Street Bridge[Map] Lost Warren pony truss bridge over Black River on Elmwood Street Destroyed by icy floods Built 1898; One span carried away by ice in 1916; demolished ca. 1917.
Fargo Road Bridge[Map] Concrete arch bridge over Oloughlin Drain on Fargo Road Replaced by a new bridge Built 1920
Frith Road Bridge[Map] Relocated truss bridge over Pine River on Frith Road In storage and disassembled Built 1914; removed and stored 2005
Indian Trail Road Bridge[Map] Lost pony truss bridge over Belle River on Indian Trail Road Currently located, intact, at Purdue University's S-BRITE facility Built 1937; relocated to Calhoun County Historic Bridge Park 2007; relocated again to S-BRITE facility 2015
Military Street Bascule Bridge (Old)[Map · Street View] Lost Bascule Bridge over Black River on I-94/I-69 Business Loop (ex-US 25, ex-M-25) in Port Huron Replaced by new bridge Built 1912-13; Replaced 1991
Military Street Bridge (Old)[Map] Lost Pratt through truss bridge over Black River on Military Street Demolished and replaced Built 1884; replaced 1914
Military Street Bridge (Older)[Map] Lost Howe through truss bridge over Black River on Military Street Replaced by a new bridge Built 1857; Replaced 1884
Newman Road - Pine River Bridge[Map] Lost Pratt through truss bridge over Pine River Bridge on Newman Road Replaced by a new bridge in 1978
Rynn Road Bridge[Map] Concrete arch bridge over Oloughlin Drain on Rynn Road Open to traffic Built 1920
South Branch Mill Creek Drain Bridge[Map] Lost pony truss bridge over South Branch Mill Creek Drain on Arendt Road No longer exists Built 1927; replaced 2000
Speaker Road Bridge[Map · Street View] Pony truss bridge over South Branch Mill Creek Drain on Speaker Road Replaced by a new bridge Built 1908
St. Clair Tunnel[Map · Street View] Tunnel under St. Clair River on Canadian National Railroad in Port Huron Closed to all traffic Built 1888-1891; Electrified 1907-1908; Electrification removed 1958: Tube sealed 1994
Swan Creek Bridge[Map · Street View] Concrete curved chord through girder bridge over Swan Creek on Vernier Street Removed but not replaced Built 1922; Demolished Summer 2014