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This is one of two movable railroad bridges in Port Huron, but is the only one that still operates. The bridge is generally in the down position in the winter and in the open position in the summer. The bridge is lowered only when a train is coming during the summer.
This is a Scherzer type rolling lift bascule bridge, although it is not known if Scherzer's firm had anything to do with the design of the bridge. The main span, which is the moveable span, is a through plate girder. The bridge includes one deck plate girder approach span at each end of the bridge. Concrete piers support the bridge in the water. Abutments are also concrete. This bridge was built in 1929 by the Wisconsin Bridge and Iron Company. A couple plaques remain on the bridge; one is broken the other in good condition. The main span plate girder is linked to the counterweight via a pair of braced steel beams. Several of these beams are built-up and have v-lacing and/or lattice. All solid connections are riveted.
This is a fascinating bridge, because unlike most newer highway bascule bridges, you can see most of the gears and moving parts from the outside of the bridge. This bridge replaced an unknown structure at this location.
This bridge is tagged with the following special condition(s): Unorganized Photos
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