Uncredited photos on this page taken by: Nathan Holth. Unless stated in a caption, all photos are Copyright with All Rights Reserved. Learn about reuse of our photos.
Plaque on approach. span.
Plaque on main span.
Southwest approach span.
Abutment.
Counterweight link details.
Counterweight link bracing connections.
Outrigger supports for rack.
Views under bridge tender building showing supporting cantilever structure.
Views under bridge.
Piers under mechanical section of bridge.
Looking at mechanical room and counterweight.
Mechanical room.
Looking up at mechanical room.
Counterweight.
Roller and lift track overviews.
Roller details.
Roller and lift track details.
Rolling lift track detail.
Rack and pinion.
Rack detail.
Pinion detail.
Large gear that transfers power to the pinion.
Overview of counterweight link and bracing.
Looking up at the counterweight link and bracing.
Counterweight link bracing.
Gusset plate connecting rolling portion of bridge to the through girder.
Counterweight link connection to girder.
Main span girder overview.
Main span girder exterior details.
Main span girder interior details.
Detail at base of leaf, as seen with bridge raised.
Riveted walkway on upper level.
Approach span bearing.
Deck.
Various built-up beams on bridge.
Riveted plates.
Electrical connections and boxes.
Very old sign on bridge reading "TO RAISE BRIDGE TELEPHONE GTWRR TELEGRAPH OFFICE PORT HURON MICH TEL. NO. YUKON 4-2814"
Old sign posted on bridge tender building.
Miscellaneous mechanical details.
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