St. Clair County

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
Black River Bridge   [Map · Street View]
Bascule bridge over Black River on 7th Street in Port Huron
Open to traffic
Built 1933
Black River Bridge   [Map · Street View]
Bascule bridge over Black River on 10th Street in Port Huron
Open to traffic
Built 1957
Blue Water Bridge   [Map · Street View]
Steel through arch bridge over St Clair River on I-94 EB
Open to traffic
Built 1997
Bluewater Ferry   [Map · Street View]
Ferry across St. Clair River on A boat
Open to traffic
CN - Black River Bridge   [Map · Street View]
Pony/through plate girder bridge over Black River on Canadian National Railroad
Open to traffic
Built 1929
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
Fargo Road Bridge   [Map]
Concrete arch bridge over Oloughlin Drain on Fargo Road
Open to traffic
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
Replaced by a new bridge
Built 1937; replaced 2007
Military Street Bascule Bridge (New)   [Map · Street View]
Deck girder bridge over Black River on Military Street
Open to traffic
Built 1991
Military Street Bascule Bridge (Old)   [Map · Street View]
Lost Bascule Bridge over Black River on I-94/I-69 Business Loop in Port Huron
Replaced by new bridge
Built 1912-13; Replaced 1991
Pere Marquette - 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
Built 1931
Pere Marquette - Black River Bridge (Old)   [Map]
Lost Through truss bridge over Black River on Pere Marquette RailroadB
Demolished
Replaced 1930
Pine River Bridge   [Map · Street View]
Bridge over Pine River on Riverside Avenue
Open to traffic
Built 1978
Rapid Railway - Belle River Bridge   [Map]
Bridge over Belle River on Rapid Railway
No longer exists
Built 1899; Likely removed 1929
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 River 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
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
Trunk Line Bridge   [Map]
Lost Pratt through truss bridge over Pine River on Griswold Road near Kimball
Replaced by new bridge
Replaced 1990