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Photos: Black River Railroad Bridge

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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.

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Plaque on approach. span.

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Plaque on main span.

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Southwest approach span.

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Abutment.

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Counterweight link details.

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Counterweight link bracing connections.

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Outrigger supports for rack.

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Views under bridge tender building showing supporting cantilever structure.

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Views under bridge.

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Piers under mechanical section of bridge.

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Looking at mechanical room and counterweight.

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Mechanical room.

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Looking up at mechanical room.

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Counterweight.

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Roller and lift track overviews.

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Roller details.

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Roller and lift track details.

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Rolling lift track detail.

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Rack and pinion.

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Rack detail.

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Pinion detail.

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Large gear that transfers power to the pinion.

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Overview of counterweight link and bracing.

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Looking up at the counterweight link and bracing.

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Counterweight link bracing.

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Gusset plate connecting rolling portion of bridge to the through girder.

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Counterweight link connection to girder.

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Main span girder overview.

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Main span girder exterior details.

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Main span girder interior details.

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Detail at base of leaf, as seen with bridge raised.

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Riveted walkway on upper level.

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Approach span bearing.

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Deck.

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Various built-up beams on bridge.

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Riveted plates.

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Electrical connections and boxes.

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Very old sign on bridge reading "TO RAISE BRIDGE TELEPHONE GTWRR TELEGRAPH OFFICE PORT HURON MICH TEL. NO. YUKON 4-2814" 

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Old sign posted on bridge tender building.

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Miscellaneous mechanical details.

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